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2014年广东省中考生物试卷

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation . Industrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industria l aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . Both at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a goo d optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farmland, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipula tor dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understand ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um-term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of ind ustrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulator position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the external e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechanical arm is to use the program as a basis . Difference is that t he robot bega nd
2014 年广东省中考生物试卷
一、选择题(每小题 2 分,共 100 分)
A .若乙表示毛细血管网,则丙内流静脉血 B .若乙表示小肠,则丙内含氧量增加 C .若乙表示肾小球,则丙是静脉血管 D .若乙是胰岛,当血糖增多丙内胰岛素会增加
1.相信你认识了不少生物,也学会了区分生物和非生物,下列属于生物的是( )
A .孔子鸟化石 C .钟乳石
显示解析 2.在光学显微镜下可以观察到的结构是( )
B .珊瑚 D .石头上的青苔
A .人口腔上皮细胞的细胞壁 B .草履虫体内的叶绿体 C .烟草花叶病毒的蛋白质外壳 D .黄瓜表层果肉细胞的叶绿体
显示解析 3.在人体的四种组织中,构成颅骨的主要组织是( )
A .上皮组织
显示解析
B .结缔组织
C .肌肉组织
D .神经组织
4.如图是动、植物细胞的结构示意图,下列说法正确的是(

A .①控制物质进出细胞 B .④是细胞的控制中心 C .⑤主要存在于动物细胞 D .⑦可把光能转变为化学能
显示解析 5.关于细胞分裂的叙述,错误的是( )
A .细胞分裂使细胞数目增加 B .细胞分裂与多细胞生物由小长大有关
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compatibility a nd (3) not reforming the sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. The men br oug ht in terms of har dware there, us ing a hig h lev el of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to cont r ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop regulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresponding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, focuse d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n t he early 1 9 70 of the 20t h ce ntury emerged, mi cro -electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programm abl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. In dustrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . B oth at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a goo d optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farmland, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understand ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um-term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of industrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulator position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the ex ternal e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechanical arm is to use the program as a basis . Difference is that t he robot bega nd
C .动物细胞与植物细胞的分裂过程一样 D .细胞分裂时染色体先进行复制后平均分配
显示解析 6.观察洋葱表皮细胞时视野中出现如图所示的现象,则最可能出错的步骤是( )
A .取材
显示解析
B .展平
C .盖片
D .染色
7.在我省生长着外来物种薇甘菊,它茂密的藤蔓缠绕或覆盖住当地植物,夺走本属于当地植物的阳光和养料,严重影响当地植物的生 长.薇甘菊与当地植物的关系是( )
A .竞争
显示解析 8.构成一个完整的生态系统应包括( )
B .捕食
C .寄生
D .共生
A .食物链、食物网 B .生产者、消费者和分解者 C .生物部分和非生物部分 D .阳光、空气、水分等
显示解析 9.对“生物圈是一个统一的整体”观点的理解,错误的是( )
A .生态系统中生物之间相互联系 B .生态系统多样并且相互联系 C .各类生态系统共用阳光、空气等 D .各种生物都能在不同生态系统中存在
显示解析 10.探究实验为避免误差,需要计算平均值,但个别例外.下列实验不需要取平均值的是( )
A .探究蚂蚁的通讯 B .烟草浸出液对水蚤心率的影响 C .测定种子的发芽率 D .探究植物对空气湿度的影响
显示解析 11.观察衣藻、水绵、海带等藻类植物时,发现它们的共同点是( )
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compat ibility a nd (3) not reforming the sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. The men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop regulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresp onding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, foc use d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro-electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. Industrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . Both at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a good optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farm land, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understan d ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um -term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of ind ustrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulat or position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the external e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechani cal arm is to use the program as a basis . Difference is that t he robot bega nd
A .有进行光合作用的器官 C .能固着在海底生活
显示解析 12.下列有关叶芽的叙述,错误的是( )
B .没有根、茎、叶的分化 D .能供人类食用
A .芽中具有分生组织 C .芽原基直接发育成叶
显示解析 13.水分进出植物的主要途径依次是( )
B .芽有顶芽与侧芽之分 D .芽轴发育成植物的茎
A .根毛、导管、气孔 C .根毛、筛管、气孔
显示解析
B .气孔、筛管、根毛 D .气孔、导管、根毛
14.探究“绿叶在光下制造有机物”的实验现象如图,该实验说明( 用需要水; ②光合作用需要光; ③光合作用需要叶绿体; ④光合作用产生淀粉.
)①光合作
A .②
显示解析
B .②④
C .③④
D .①②④
15.将手插入未晒干并堆放一段时间的谷堆,感到发热和潮湿.这主要是因为(

A .谷物蒸腾作用释放了热量和水分 B .谷物光合作用释放了热量和水分 C .谷物呼吸作用释放了热量和水分 D .细菌真菌分解谷物释放了热量和水分
显示解析 16.洛阳江红树林曾遭严重人为破坏,为恢复其原状,应采取的正确做法是( )
A .补种并保护红树林 C .大面积围海造田
显示解析
B .张网捕猎各种鸟类 D .大量排入生活用水
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compatibility a nd (3) not reforming t he sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. Th e men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop reg ulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresponding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, focuse d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro -electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. In dustrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . B oth at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a goo d optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farmland, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understand ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um-term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of industrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulator position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the ex ternal e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechanical arm is to use the program as a basis . Difference is that t he robot bega nd
17.将两株生长状况基本相同的玉米幼苗,分别在土壤浸出液和蒸馏水中培养,结果如图所 示.下列说法正确的是( )
A .实验变量是水分的多少 B .实验应在黑暗处进行 C .土壤浸出液为植株生长提供无机盐 D .实验说明植物生长需要氮、磷、钾等无机盐
显示解析 18.叶面积指数是指单位土地面积上植物叶片总面积占土地面积的倍数(叶面积指数=
叶 片 总 面 积 土 地 面 积
),指数过大或过小都不利于农作物高产,下列分析不当的是( )
A .叶面积指数过小,影响对光的充分利用 B .叶面积指数适中,光合作用的强度与呼吸作用的强度相等 C .叶面积指数过大,呼吸作用会消耗大量的有机物 D .叶面积指数过大,叶片相互遮挡,影响光合作用的效果
显示解析 19.在怀孕时,母亲为胎儿提供营养物质和氧,排出胎儿产生的二氧化碳等废物.胎儿与母亲进行物质交换发生在( )
A .胚盘
显示解析
B .卵巢
C .胎盘
D .输卵管
20.外出旅游登山时,携带的下列食品,不能补充能量的是(

A .纯净水
显示解析
B .牛奶
C .苹果
D .面包
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compat ibility a nd (3) not reforming the sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. The men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop regulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresp onding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, foc use d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro-electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. Industrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . Both at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a good optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farm land, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understan d ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um -term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of ind ustrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulat or position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the external e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechani cal arm is to use the program as a basis . Difference is that t he robot bega nd
21.如图表示某人平静和运动两种状态下的呼吸情况,据图分析正确的是(

A .曲线Ⅰ为平静状态 B .曲线Ⅰ的呼吸频率为 36 次 / 分钟 C .曲线Ⅱ状态时,呼吸深度较小 D .曲线Ⅱ状态时,气体交换效率较低
显示解析 22.关于血液在人体心脏中流动方向正确的是( )
A .肺静脉→左心房→左心室→主动脉 B .肺静脉→左心室→左心房→主动脉 C .主动脉→左心房→左心室→肺静脉 D .上下腔静脉→左心房→左心室→主动脉
显示解析 23.如图为泌尿系统的示意图,其中形成尿液的器官是( )
A .①
显示解析 24.下列属于人类特有反射的是( )
B .②
C .③
D .④
A .吃梅止渴
显示解析 25.下列事例不可能由酸雨危害造成的是(
B .嗅梅止渴
C .看梅止渴
D .谈梅止渴

A .鱼塘的鱼大量死亡 C .大米的重金属超标
显示解析
B .植物叶片脱落、死亡 D .建筑物外墙受腐蚀
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compatibility a nd (3) not reforming t he sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. Th e men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop reg ulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresponding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, focuse d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro -electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. In dustrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . B oth at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a goo d optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farmland, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understand ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um-term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of industrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulator position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the ex ternal e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechanical arm is to use the program as a basis . Difference is that t he robot bega nd
26.如图为人体内某结构的血流情况示意图,乙代表某结构,甲、丙代表与其相连的血管,箭头代表 血流方向.下列说法正确的是( )
A .若乙表示毛细血管网,则丙内流静脉血 B .若乙表示小肠,则丙内含氧量增加 C .若乙表示肾小球,则丙是静脉血管 D .若乙是胰岛,当血糖增多丙内胰岛素会增加
显示解析
27.在探究“唾液对淀粉的消化作用”实验中, 试管中都加入少许等量淀粉酶,试管 1,3 中 各加入 2ml 清水,试管 2、4 中各加入 2ml 唾 液,如图处理 5~10 分钟,然后分别滴加 2 滴 碘液,关于实验分析正确的是( )
A .试管 1 和试管 4 可作为对照 B .试管 3 在该实验中是必不可少 C .滴碘液后,不变蓝色的是试管 2 D .温度不影响唾液对淀粉的消化
显示解析
28.下列动物中,身体呈两侧对称,有口无肛门的是(
A .水螅
显示解析

D .蚯蚓
B .涡虫
C .蛔虫
29.下列各种动物结构与生理功能相适应的叙述,错误的是(
A .兔牙齿的分化,与植食性相适应 B .鲫鱼有鳃,与水中呼吸相适应 C .家鸽有坚硬角质喙,与飞行相适应 D .蛇体表覆盖角质鳞片,与减少体内水分散失相适应
显示解析

30.下列关于人体运动系统的叙述,正确的是(
A .运动系统由骨骼、关节、骨骼肌组成 B .关节由关节头、关节腔和关节软骨组成 C .骨骼肌既可以牵拉骨,又能推开骨 D .人体的运动是在神经系统的支配下完成的
显示解析

31.关于“小鼠走迷宫”的探究实验,下列说法正确的是(

m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compat ibility a nd (3) not reforming the sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. The men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop regulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresp onding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, foc use d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro-electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. Industrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . Both at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a good optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farm land, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understan d ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um -term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of ind ustrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulat or position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the external e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechani cal arm is to use the program as a basis . Difference is that t he robot bega nd
A .这是探究小鼠的先天性行为 B .小鼠“尝试与错误”的次数远少于蚯蚓 C .不同小鼠熟悉迷宫的能力都一样 D .小鼠一旦学会走迷宫,就不会忘记
显示解析
32.控制棉铃虫、玉米蚁等农业害虫有效且环保的方法是(
A .放养寄生蜂 C .改种其他农作物
显示解析

B .喷洒农药 D .人工捕捉农业害虫
33.如图是蘑菇的结构示意图,其中能产生孢子的部位是(

A .①
显示解析
B .②
C .③
D .④
34.“秋风起,食腊味”,广式腊味选在气候干燥的秋季进行晒制,其主要目 的是( )
A .脱去肉内的水分 B .使肉的色泽金黄好看 C .使蛋白质分解为氨基酸 D .让肉发酵,产生独特香味
显示解析
35.根据如图表示的关系,表中各概念间关系与之相符的是 (
A B C

选项 1 种 系统 昆虫 2 目 器官 节肢动物 3 科 组织 无脊椎动物 4 纲 细胞 动物
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compatibility a nd (3) not reforming t he sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. Th e men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop reg ulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresponding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, focuse d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro -electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. In dustrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . B oth at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a goo d optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farmland, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understand ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um-term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of industrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulator position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the ex ternal e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechanical arm is to use the program as a basis . Difference is that t he robot bega nd
D
单子叶植物
双子叶植物
被子植物
种子植物
A .A
显示解析
B .B
C .C
D .D
36.烧伤容易感染绿脓杆菌,人们利用绿脓杆菌噬菌体来治疗,能有效地控制 绿脓杆菌的感染,绿脓杆菌噬菌体是( )
A .病毒
显示解析
B .细菌
C .单细胞生物
D .粉末状药物
37.如表是鼎湖山国家自然保护区内动物情况,反映了生物多样性中的(
被子植物 1822 种 裸子植物 23 种 蕨类植物 148 种 鸟类 214 种 爬行两栖类 75 种 哺乳类 38 种

A .生态系统多样性 C .生物种类(物种)多样性
显示解析
B .基因(遗传)多样性 D .生物数量多样性
38.青蛙生殖过程中,不具有的是(
A .雄蛙鸣叫
显示解析

C .水中受精 D .雌蛙孵卵
B .雌蛙抱对
39.下列与遗传有关的说法,正确的是(
A .天生惯用左手不属于性状 B .一条染色体上有多个 DNA 分子 C .近亲结婚的后代大多患遗传病 D .基因是具有遗传效应的 DNA 片断
显示解析

40.下列人体的细胞中一定含有 Y 染色体的是(
A .男性的神经细胞 C .男性成熟的红细胞
显示解析

B .精子 D .卵细胞
41.下列实例应用了转基因技术的是(
A .克隆羊 C .试管婴儿
显示解析

B .高产抗倒伏小麦 D .生产胰岛素的大肠杆菌
42.今年 5 月在阿根廷中部发现了身长超过 40 米的泰坦巨龙类恐龙化石,这种 巨型恐龙比以前发现的霸王龙、剑龙等都要大,是目前世界上发现最重也是最 长的恐龙物种.得出这一结论所运用的科学方法或依据是( ) ①模拟实验;②观察化石;③进行比较;④科学推测.
A .①③④ B .②③④ C .①②③ D .①②③④
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compat ibility a nd (3) not reforming the sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. The men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop regulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresp onding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, foc use d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro-electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. Industrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . Both at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a good optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farm land, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understan d ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um -term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of ind ustrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulat or position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the external e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechani cal arm is to use the program as a basis . Difference is that t he robot bega nd
显示解析
43.在生物园里种植出甲、乙花生,现对甲和乙果实的长轴长度进行抽样测量, 结果如表,分析表中数据,以下叙述正确的是( )
长轴(毫 米) 样本甲数 量 样本乙数 量 18 20 22 24 26 28 30 32 34 36
0
0
1
3
6
8
10
7
3
2
3
7
9
11
5
2
2
1
0
0
A .甲果实的长轴长度都大于乙 B .甲中长轴存在个体差异,这种差异不属于变异 C .由数据推测甲乙可能为两个不同品种 D .两个样本组间的差异主要是由环境引起
显示解析
44.用基因组成为 Aa 的鸭梨枝条,嫁接到基因组成为 aa 的枝条上,结出果实 的果皮细胞基因组成为 Aa 的概率是( )
A . 25%
显示解析
B . 50%
C . 75%
D . 100%
45.今年春季多地出现手足口病病例,卫生部门要求幼儿园要做好课室和幼儿 用具的消毒卫生工作,尽量减少病例传播.这一预防措施属于( )
A .消灭病原体 C .控制传染源
显示解析
B .切断传播途径 D .保护易感人群
46.接种疫苗能够有效预防传染病,这是因为疫苗(
A .能直接杀灭病原体 B .能促使人体产生相应抗体 C .本身是抗体,能特异性吞噬抗原 D .是一种抗生素,注射后能增强抵抗力
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47.如图,遇到有人因溺水停止呼吸时,应采取的措施正确的顺序是(

A .①③④②
显示解析
B .①②③④
C .②①④③
D .②①③④
m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compatibility a nd (3) not reforming t he sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. Th e men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop reg ulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresponding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, focuse d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro -electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

Manipulator i s now used a s a industri al robots i n us e, the control obje ctives often appear ofte n in i ndustrial aut omation. In dustrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate s ubje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics , mechani cal pr oce ssing, and ot her industri es. Es pe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely becaus e of this robot to get pe opl e's attenti on began to be a high degree of development. Labor rates, w orking conditi ons , labor inte nsive as pe cts of pr omoting devel opment . B oth at home a nd a broa d to develop the PLC ( programmable l ogic contr oller) is in various s pecial circumstances a nd under s peci al conditions s et for mechani cal devi ces . Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains , the s ucces s of PLC har dware s oftware and simulati on control win big and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a goo d optimization of productive ca pital, and robot s hows t his uni que a dvantages, such as : ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a s hort time, s o in t he context of industrial PLC a ppl ications became ubi quit ous . Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of farmland, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. Today, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut omation contr ol. This of design l et desig ners on in school by lear n of has a m ust of cons olidati on, understand ha s some usually di dn't opportuniti es aware ness i n worl d range wit hin s ome lea ding level of knowl edge has ha s must aware nes s, hope desig ners ca n in yi hou of des ign in t he ca n success of using i n this desig n in the pr oce eds of experience 1 .2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um-term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes me cha nical arm on the Grand stage of industrial aut omation a nd s hine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm s pent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t he first generation of mani pulator position control s ystems main features, althoug h not ba ck several generations that ca n dete ct the ex ternal e nvironment, but ca n still succes sfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me cha nica l arms are equipped wit h se ns ors and manipulators have the e nvironment there i s a certai n amount of "sens e", whe n the mechanical arm is to use the program as a basis . Difference is that t he robot bega nd
48.下列属于健康生活习惯的是(
A .节食保持苗条 C .碳酸饮料当水喝
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B .彻夜网游聊天 D .生活张弛有度
49.某研究小组要进行“初中生生活方式的调查”,采取的措施不当的是 ( )
A .调查前应拟好调查提纲 B .只调查与自己熟悉的同学 C .利用问卷的形式获取数据 D .用数学方法进行统计和分析
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50.下面关于艾滋病认识错误的是(
A .艾滋病是一种免疫缺陷病 B .艾滋病的病原体是 HIV C . HIV 可通过血液制品传播 D .该病成年人居多,与青少年无关

m anipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discus sion with ma nipulator control 2.1. 1 cla ssificati on of control relays a nd dis crete ele ctroni c cir cuit can control ol d industrial equipme nt, but als o more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fas hioned, simpl e (or simpl e) industrial e qui pment. S o he can see them now, however t hes e two contr ol modes (relay and di screte el ectronic circuits) are the se fatal flaws: (1) cannot a dapt t o the complex logic control, (2) only for the curre nt project, t he la ck of compat ibility a nd (3) not reforming the sy stem with e qui pment impr ovements. S pring for t he development of China's modern i ndustrial a utomation technology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer s howed his tw o great adva ntages: (1) ea ch of the har dware can be installed on one or more mi cropr oce ss ors; (2) the 。 象 形 关 机 和 身 示 展 绩 业 务 服 风 品 人 用 错 差 零 现 实 好 果 效 新 法 方 精 量 质 高 求 准 标 到 做 力 努 为 行 己 自 范 规 格 严 我 中 作 工 理 管 政 市 的 体 具 在 流 一 进 先 争 要 事 凡 , 上 态 心 official desig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways : (1) Programmable Logical Controller (referred to as IPC); (2) Distributed Control System (DCS for short), and (3) the Programmable Logi cal Controller (PLC for s hort). 2.1 .2 PLC a nd the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data proces sing makes it inve nted t he compute r. The men br oug ht in terms of har dware there, us ing a hig h level of standar dization, ca n use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems . So the com puter can effectively control i s us ed to control and meet its s pee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri bute d system started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer us ed as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop regulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresp onding relay needs was bor n, its main use in t he work order contr ol, early primary is re placed relay thi s hulking system, foc use d on the s witch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1 9 70 of the 20t h ce ntury emerged, mi cro-electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce ssi ng technol ogy will be use d in t he Programmabl e Logical Contr oller (that is

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