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第10周练习

第10周练习
第10周练习

第10周练习

1. Tom told you that they wouldn’t go the party ,______?

a. didn’t he

b. did he

c. would they

d. would n’t they

2. Mr. Smith is the first teacher in our class _____to practice spoken more after class.

a. encouraging

b. to encourage

c. having encouraged

d. encouraged

3. Mr. Smith is the teacher in our class _____to practice spoken more after class.

a. encouraging

b. to encourage

c. having encouraged

d. encouraged

4. Some foreign scientists predict that it may be at most ten years _________ it is possible for Chinese astronauts to walk on the moon.

A. before

B. since

C. when

D. after

5. He suddenly told me that it might be days _____ he left for Spain.

A. before

B. since

C. when

D. after

6. The picture reminds me of the happy moments ________I was taken good care of by the farmers in the countryside.

A. when

B. where

C. which

D. before

7. So the group led by Carl eventually traps King Kong through his fascination with Ann, and ships it back to Broadway, New Y ork, ___ he is made to act in shows for Carl.

A. when

B. where

C. which

D. before

8. King Kong and Ann climb up to the top of the Empire State Building ,________ King Kong fights with the helicopters.

A. when

B. where

C. which

D. before

9. ―What has made your manager upset?‖―______ alone to face a troublesome milk powder

scandal.‖ A. Left B. Being left C. Having left D. To leave

10. The retired man donated most of his savings to the school damaged by the earthquake in

Y ushu ,________the students to return to their classrooms.

A. enabling

B. having enabled

C. to enable

D. to have enabled

11. We all think that _____ no need_______ laws to prevent the young from getting married during their college life.

A. it is; making

B. there is ; making

C. it is; to make

D. there is; to make

12. No sooner ____the parrot flew out and settled in the same tree as the cat.

A. had Tom opened the cage than

B. had Tom opened the cage when

C. did Tom open the cage when

D. Tom opened the cage when

13.October 1st, 2009 was the 60th anniversary of the founding of the People’s Republic of China, ______the increasingly confident Chinese government showed off the military power with a parade through central Beijing. A. when B. in which C. which D. where 14.Shanghai is hosting ______ is called the most impressive World Expo ever.

A. that

B. as

C. which

D. what

15. In many cases, there was no single reason ______ motivated a person or a group of people to

explore overseas. A. why B. that C. of which D. for which

16. It won’t be long ______ man can use solar power as a major source of energy to help protect

our environment.

A. before

B. till

C. after

D. when

KEY: ABAAA ABBBA DAADB A

非谓语

1 The policeman rushed into the room only ______ an old lady lying on the ground.

A. found

B. find

C. finding

D. to find

2. The boy lay on the ground, with his eyes ______ and his hands ______.

A. closing; trembling

B. closed; trembling

C. closed; trembled

D. closing; trembled

3. The retired man donated most of his savings to the school damaged by the earthquake in

Y ushu ,________the students to return to their classrooms.

A. enabling

B. having enabled

C. to enable

D. to have enabled

4. Each of them got up early ______ to catch the early bus.

A. to hope

B. hoping

C. so that

D. and

5 How pleased the Emperor was ______ what the cheats said!

A. hearing

B. heard

C. hear

D. to hear

6. We should prevent pollution ______ happily.

A. from living

B. living

C. to living

D. to live

7.I am busy now, so I can’t help ______ the machine.

A. repair

B. to have repaired

C. repairing

D. fixing

8. Jane came very close ______ a gold medal for Britain in the Olympics.

A. to win

B. winning

C. to winning

D. to be won

9. The boy seated himself in the corner with his back ______ to his father.

A. turning

B. to turn

C. to be turned

D. turned

10. ----By the way, when did you get your bedroom ______? ----Last week.

A. to paint

B. painted

C. painting

D. to be painted

11. ―What has made your manager upset?‖―______ alone to face a troublesome milk powder

scandal.‖ A. Left B. Being left C. Having left D. To leave

12. The novel is said ______ into many languages.

A. to translate

B. being translated

C. to have been translated

D. having been translated

13. I’m examining the composition he has just finished ______ the possible mistakes in it.

A. correcting

B. to correct

C. corrected

D. correct

14. They would not allow him ______ across the enemy line.

A. to risk going

B. risking to go

C. for risk to go

D. risk going

15. He spent as much time as he could _____ the child.

A. teaching

B. to teach

C. teach

D. for teaching

16. ----Alice, why didn’t you come yesterday?

----I ______, but I had an unexpected visitor.

A. had

B. would

C. was going to

D. did

17. ______ the room, a letter was laid on the ground.

A. Entering

B. Having entered

C. He entered

D. when Mrs Green entered

18. ______ her mother had come, her face lit up.

A. Hearing

B. Having heard

C. When hearing

D. When she heard

19. They arrived at their university very late, ______ the gate closely shut.

A. found

B. to find

C. find

D. finding

20. The manager promised to keep me ______ of how our business was going on.

A. to be informed

B. on informing

C. informed

D. informing

21. With a lot of difficult problems ______, the manager felt worried all the time.

A. to settle

B. settling

C. settled

D. being settled

22. Will those ______ the children from abroad come to the headmaster’s office?

A. teaching

B. teach

C. who teaches

D. who teaching

23. After ______ for the job, you will be required to take a language test.

A. being interviewed

B. interviewed

C. interviewing

D. having interviewed

24. They apologized for ______ to attend the meeting.

A. their not being able

B. their being not able

C. them not able

D. them being able not

25. They would not allow him ______ across the enemy line.

A. to risk going

B. risking to go

C. for risk to go

D. risk going

26.______ to nuclear radiation, even for a short time, may produce variants(变异体) of genes in human bodies. A. Being exposed B. Having exposed C. Exposed D. After being exposed 27. China became the 143rd member of the World Trade Organization on December 11, 2001, thus ______ its 15-year wish to join the global trade body.

A. having realized

B. realized

C. realizing

D. to realize

28. ----Will you please tell us how you can seize the robbers?

----I will spend a whole week ______ in your room to wait for their coming.

A. locking

B. to lock

C. locked

D. being locked

29. I regret ______ you that they are unable to come to your wedding tomorrow.

A. informing

B. having informed

C. to have been informed

D. to inform

30. He wondered if he could slip out of the lecture hall without anyone ______.

A. noticing

B. noticed

C. to notice

D. being noticed

31. He spoke in such a high voice ______ out in the street.

A. as to be heard

B. to be heard

C. as to hear

D. to hear

32. As early as 1647 Ohio made a decision that free, tax-supported schools must be set up in every town ______ 50 households or more.

A. having

B. to have

C. to have had

D. having had

33. The building project ______ next year is, I think, not easy ______ in time.

A. being carried out; to complete

B. carried out; to be completed

C. to be carried out; to complete

D. to be carried out; to be completed

34. The reason ______ she gave for not coming to the party is that her mother wouldn’t allow her to. A. that B. what C. why D. because

35. Excuse me, could you tell me how to get to the Grand Hotel? I thought it was on this corner, but I seem to ______ a mistake. A. make B. be making C. having made D. have made

36. What worried the boy most was ______ to visit his father in the hospital.

A. his not allowing

B. his not being allowed

C. having not been allowed

D. his being not allowed

37. To do a bit for the motherland, ______.

A. working hard is necessary

B. to learn a foreign language is needed

C. it is important to master science

D. one should serve the people whole-heartedly

38. The officials discussed the plan that they would like to see ______ the next month.

A. carry out

B. carrying out

C. to carry out

D. carried out

39. The sun keeps us ___________ with heat and light.

a. supply

b. supplied

c. to supply

d. supplying

40.Just watch carefully now, I’ll show you one of the most remarkable photographs_______.

a. having ever been taken

b.had ever been taken

c.ever being taken

d.ever taken

41.________by the provincial government, post-disaster restoration and reconstruction work should be carried out on the basis of ―seeking truth from facts‖.

a.being demanded

b.demanding

c.demanded

d.to be demanded

42._______ in convenient locations, chain stores are usually next do or to people’s homes and close to the bus stops or undergroung stations.

a.being opened

b.having opened

c.opened

d.opening

43._________ from lightweight materials, the robots are about the size of a human arm or smaller.

a.to build

b.being built

c.having built

d.built

44.Parents who stay actively ________ with their children, showing interest in their activities and patticipating when possible, earn the respect and appreciation of their children.

a.involve

b.involving

c. to involve

d.involved

45.______in her most beautiful skirt,the girl tried to make herself______at the party.

a.Dressed;noticed

b.Dressing;noticed

c.Dressed;noticed

d.Dressing;being noticing

46..Food can go bad even in a refrigerator if______there for more than a week.

a.left

b.leaving

c.having left

d.to be left

47.The claim is that the athlete will be likely to win the gold medal if________ the proper training.A. give B. giving C. given D. being given

48.The young girl became so emotionally ____with that guy; he was anything but brilliant, though.

A. involved

B. involving

C. to involve

D. to be involved

49.---Who would you like to undertake the project?

---A man ______Wilson.A. called himself B. calling him C. is calledD. you call

50._______by the teacher to leave the classroom made him feel ashamed.

A. asked

B. being asked

C. h aving asked

D. to have asked

51. ______ naughty in class made his parents very angry.

A. Tom bei ng

B. Tom’s being

C. Tom was

D. Tom had been

52.________a quick response when you are asked a common question is a sign of weakness.

A. Not make

B. Don’t make

C. No making

D. Not making

53._______ into her boss’s conversations caused her to lose her job.

a.She listening

b.Her listening

c.For her listening

d.She listened

54 _____ her way through the excited crowd in the bookstore, the women writer is surrounded by a group of admirers.A. To make B. Having made C. To be made D. Making

55.Plants sent oxygen into the atmosphere, ___the earth suitable for large, air-breathing creatures to live in. A. to make B .having made C. making D. made

56.Polar regions have been experiencing increasingly shorter winters, ___ earlier ice melt

A. lead to B .have led to C .leading to D. having led to

KEY: 1-5 DBABD 6-10 DACDB 11-15 BCBAA 16-20 CDDDC 21-25 AAAAA 26-30 31-35 ACDDA 36-40 AACAD 41-45 BDDBD 46-50 CCDDA 51-55 ACABB 56-60 BDBDC 61C

综合卷:

25. The last time we had a family reunion was ________ my brother’s wedding ceremon y four

years ago.

A. over

B. at

C. on

D. in

26. — Do you often talk with your friends on the telephone or mobile phone?

— __________ . I like using QQ.

A. None

B. Either

C. Any

D. Neither

27. ---This is the first time that I have seen you in this neighborhood!

--- I ________ here only last week.

A. moved

B. move

C. had moved

D. am moving

28. China won 100 medals in the Beijing Olympic Games, which are almost ______ those of the

Sydney Olympic Games.

A. twice as many as

B. as many as twice

C. as much as twice

D. twice as much as

29. ---Look! The girl passing by must be a newcomer!

---No, she _______ be a newcomer. I’m sure it is at least one year since she came to live here.

A. shouldn’t

B. can’t

C. mustn’t

D. oughtn’t

30. His ability has never been in doubt----the question is ___________ or not he is prepared to

work hard.

A. that

B. if

C. where

D. whether

31. Standing on the top of the Oriental Pearl TV Tower, ______ a good bird’s–eye view of

Shanghai city.

A. it will be

B. you will get

C. there will be

D. it will have

32. I’m only brave when I have to be. __________ d oesn’t mean you go looking for trouble.

A. To have been brave

B. Having been brave

C. Being brave

D. Be brave

33. Considering that she did her work ______ her manager had instructed, it was not proper to

criticize her.

A. as

B. until

C. when D .though

34. The Spring Festival is our traditional festival, __________ people usually visit their friends

and relatives.

A. for which

B. to which

C. during which

D. about which

35. __________ in the fields on a March afternoon, he could feel the warmth of spring.

A. To walk

B. Walking

C. Walked

D. Having walked

36. During the 1960s, songs about winter ___________ by many famous rock groups were

popular among people of different ages.

A. released

B. being released

C. releasing

D. having been released

37. Passengers on board aren’t allowed _____ calls during take-off.

A. making or receiving

B. having made or received

C. to have made or received

D. to make or receive

38. Do you know ______________ had reported the accident to the police?

A. who it was that

B. who was it that

C. it was who that

D. that it was who

39. More and more Chinese people follow the practice ______ they will travel to various scenic

spots to enjoy the scenery in their leisure time.

A. whether

B. which

C. where

D. that

40. ______________ that my dearest friend would play a trick on me in front of all my students.

A. Never I thought

B. Never did I think

C. I thought never

D.Never thought I KEY:BDAABD BCACB ADADB

新思维伴你学三年级数学下册整理答案第十一周自主作业

新思维三年级下册参考答案 第五单元第十一周自主作业 1、相邻两个常用的长度单位之间的进率是(10),相邻两个常用的面积单位之间的进率是(100)。 2、边长是1米的正方形的面积是(100)平方分米,边长是1分米的正方形的面积是(100)平方厘米。 思考过程:边长是1米的正方形的面积是1平方米,1平方米=100平方分米; 边长是1分米的正方形的面积是1分平方米,1平方分米=100平方厘米; 3、13平方米=(1300)平方分米700平方厘米=(7)平方分米 8平方米=(800)平方分米15平方分米=(1500)平方厘米 400平方厘米=(4)平方分米700平方分米=(7)平方米 思考过程:1平方米=100平方分米,由平方米变成平方分米,要乘以100;由平方分米变成平方米,要除以100。 1平方分米=100平方厘米,由平方分米变成平方厘米,要乘以100;由平方厘米变成平方分米,要除以100。 4、长方形的长是8厘米,宽是6厘米,面积是(48平方厘米),周长是(28厘米)。 思考过程:直接应用公式。 长方形的面积=长×宽=8×6=48(平方厘米); 长方形的周长=(长+宽)×2=(8+6)×2=28(厘米) 5、正方形的边长是(8)分米时,面积是64平方分米,周长是(32)分米。 思考过程:直接应用公式。 正方形面积=边长×边长,8×8=64(平方分米),所以边长为8分米。 正方形的周长=边长×4=8×4=32(分米) 6、一间教室的长是8米,宽是7米,它的面积是(56)平方米,合(5600)平方分米;如果在墙脚处铺一圈地脚线(门口忽略不计),地脚线长约(30)米。 思考过程: 长方形的面积=长×宽=8×7=56(平方米); 单位换算:56平方米=5600平方分米; 在墙脚处铺一圈地脚线,是教室的周长=(长+宽)×2=(8+7)×2=30(米)

高2019届第九周周练试题

高2019届第九周周练试题 ?单项选择题(本题包括 5小题,每小题3分,共15分)。 1 ?下列关于摩擦力的说法中错误的是 ( ) A ?摩擦力总是阻碍物体的运动,所以摩擦力只能做阻力,不能做动力 B ?两物体间有摩擦力时,一定还有弹力,而且这两个力相互垂直 C. 静止的物体可能受到滑动摩擦力的作用 2 .如图所示,在水平力 F 作用下,A 、B 保持静止。若 A 与B 的接触面是水平的,且 F M 0。则关于A\B 的受力个数可能为( ) A. A 受4个,B 受3个 B . A 受4个,B 受4个 C . A 受3个,B 受4个 D . A 受3个,B 受5个 3 ?现在许多汽车都应用了自动挡无级变速装置,可连续变换速度, 图2为截锥式无级变速模型示意图。两个截锥之间有一个滚动轮, 主动轮、滚动轮、从动轮之间靠彼此之间的摩擦力带动且不打滑。 现在滚动轮处于主动轮直径 D i ,从动轮直径 D 2的位置,则主动轮转 速n i 与从动轮转速n 2的关系是:( ) A .吟伙 B .叫% C. 若主动轮转速恒定,当位于主动轮和从动轮之间的滚动轮从右到左 移动时,从动轮转速降低 D. 若主动轮转速恒定,当位于主动轮和从动轮之间的滚动轮从右到左 移动时,从动轮转速降低 4. 如图所示,小球从竖直砖墙某位置静止释放,用频闪照相机在同一底片 上多次曝光,得到了图中 1、2、3、4、5…所示小球运动过程中每次曝 光的位置?连续两次曝光的时间间隔均为 T ,每块砖的厚度为 d 。根据 图中的信息,下列判断错误的是 ( ) 5. 如图是某中学科技小组制作的利用太阳能驱动小车的装置.当太 阳光照射到小车上方的光电板,光电板中产生的电流经电动机带 动小车前进.若射到小车上方的光电板,光电板中产生的电流经 电动机带动小车前进.若小车在平直的水泥路上从静止开始加速 行驶,经过时间t 前进距离S ,速度达到最大值V m ,设这一过程中 电动机的功率恒为P ,小车所受阻力恒为 F ,那么() A .这段时间内小车先匀加速运动,然后匀速运动 B .这段时间内阻力所做的功为 Pt 1 2 一 1 2 C .这段时间内合力做的功为 mv ; D .这段时间内电动机所做的功为 Fs mv m 2 2 二.在每小题给出的四个选项中,有的小题只有一个选项正确,有的小题有多个选项正确。 全部选对的得3分,选不全的得1.5分,共计24分) 6. 如图7所示一块橡皮用细线悬挂于 0点,用铅笔靠着 线的左侧向右上方 45°方向匀速移 动,运动中始终保持悬线竖直,则橡皮说法正确的是: () /广莎戸 o 慝建 I 1 t 1 1 1 1 ? 1 一 1 2 1 ~~ rr ~1 L - - 1 3 1 1 1 匚 1 4厂 厂 1 1 H 1 1 5 一 5 1 匚 A .位置“1”是小球释放的初始位置 B .小球做匀加速直线运动 -J C .小球下落的加速度为 T D ?小球在位置“ 3”的速度为2T 从动轮 图2

第18周周末试卷

2019-2020学年第二学期 北大培文佛山实验学校七年级数学科十八周末作业 学生姓名_______________家长签名______________ 一.选择题(10×3分=30分) 1.计算(﹣a 2b )3的结果是( ) A .﹣a 6b 3 B .a 6b C .3a 6b 3 D .﹣3a 6b 3 2.计算(x ﹣2)x =1,则x 的值是( ) A .3 B .1 C .0 D .3或0 3.计算(a +2)(a ﹣3)的结果是( ) A .a 2﹣6B .a 2+6 C .a 2﹣a ﹣6 D .a 2+a ﹣6 4.如图,在边长为a 的大正方形中剪去一个边长为b 的小正方形,再将图中的阴影部分剪拼成一个长方形,若这个拼成的长方形的长为35,宽为15,则图中Ⅱ部分的面积是( ) A .100 B .125 C .150 D .175 5.x 2﹣4x +m 2是一个完全平方式,则m 的值是( ) A .2 B .﹣2 C .+2和﹣2 D .4 6.图①是一个长为2a ,宽为2b (a >b )的长方形,用剪刀沿图中虚线(对称抽)剪开,把它分成四块形状和大小都一样的小长方形,然后按图②那样拼成一个正方形,则中间空的部分的面积是( ) A .ab B .a 2+2ab +b 2 C .a 2﹣b 2 D .a 2﹣2ab +b 2 7.下列画图语句中正确的是( ) A .画射线OP=5cm B .画射线OA 的反向延长线 C .画出A 、B 两点的中点 D .画出A 、B 两点的距离 8.正方形ABCD 的边长为2,点E 、F 分别是对角线BD 上的两点,过点E 、F 分别作AD 、AB 的平行线,如图所 示,则图中阴影部分的面积之和等于( ) A .1 B .2 C . 3 D .4 9.如图,在△ABC 中,∠C=90°,BE 平分∠ABC ,DE ⊥AB 于D ,如果AC=2cm ,那么 完成 日期 得分

第十五周作业答案

第十五周作业答案 15-1填空题 (1)将波长为λ的平行单色光垂直投射于一 狭缝上,若对应于衍射图样的第一级暗纹位 置的衍射角的绝对值为θ,则缝的宽度等于 ________________. [答案:/sin λθ] 解:sin ,/sin a a θλλθ=∴= (2)波长为λ的单色光垂直入射在缝宽a =4 λ 的单缝上.对应于衍射角=30°,单缝处 的波面可划分为______________个半波带。 [答案:4] 解:sin 4sin 3042a λ θλ==? (3)在夫琅禾费单缝衍射实验中,当缝宽 变窄,则衍射条纹变 ;当入射波长变长 时,则衍射条纹变 。(填疏或密) [答案:变疏,变疏] 解:1k k f l x x a λ+=-= (4)在单缝夫琅禾费衍射实验中,设第一 级暗纹的衍射角很小,若钠黄光(λ1=589nm ) 中央明条纹为 4.0nm ,则λ2=442nm (1nm=10-9m )的蓝紫色光的中央明纹宽度

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□○□=□(只)□○□=□(枝)

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