文档库 最新最全的文档下载
当前位置:文档库 › 湖北省襄阳市第五中学2016届高三5月高考模拟适应性考试(一)英语试题 Word版含答案

湖北省襄阳市第五中学2016届高三5月高考模拟适应性考试(一)英语试题 Word版含答案

湖北省襄阳市第五中学2016届高三5月高考模拟适应性考试(一)英语试题 Word版含答案
湖北省襄阳市第五中学2016届高三5月高考模拟适应性考试(一)英语试题 Word版含答案

2016年普通高等学校招生全国统一考试

襄阳五中英语5月模拟考试(一)

考试时间:2016年5月11日下午:15:00—17:00

第Ⅰ卷

第一部分听力(共两节,满分30分)

第一节(共5小题,每小题1.5分,满分7.5分)

听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。

1.Where is the casual wear shop?

A.It?s opposite the cashier?s counter

B.It?s on the left of the sportswear shop

C.It?s opposite the sportswear shop

2.What does the woman mean?

A.Jane will come on time B.Jane keeps a lot of good gold

C.Jane will be absent

3.What is the man doing?

A.Offering some suggestions B.Asking for help C.Expressing dissatisfaction

4.What will the woman do if she wants to enjoy music?

A.To download music from the Internet

B.To buy the CD

C.To listen to music online

5.How did the woman come to the city?

A.By car B.By bus C.On foot

第二节(共15小题;每小题1.5分,满分22.5分)

听下面5段对话或独白。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各题将给出5秒钟的作答时间。每段对话或独白读两遍。

听下面一段材料,回答第6和第7题。

6.When will the man meet Mr. Harris tomorrow?

A.3:30 p. m B.9:30 p. m C.3 o?clock

7.What is the probable relationship between the speakers?

A.Husband and wife B.Boss and secretary C.Doctor and patient

听下面一段材料,回答第8至第9题。

8.What is not in the woman?s bag?

A.A pen B.A watch C.Money

9.Where did the woman most probably leave the bag?

A.In the cinema B.In the flower shop C.In the restaurant

听下面一段材料,回答第10至第12题。

10.Which test is the man really nervous about?

A.The written test B.The vision test C.The road test

11.Why did the man?s brother fail in his road test?

A.He forgot to bring his glasses

B.He didn?t do well when parking the car

C.He did not study traffic rules

12.What will the man probably do?

A.Take his driving test before the appointment

B.Receive some training in a driving school

C.Ask for the exact time for the driving test

听下面一段材料,回答第13至第16题。

13.What will Susan do on Saturday morning?

A.Take a walk B.Clean the house C.See her doctor 14.What will Susan do at 2 p. m. on Saturday?

A.Do the dishes B.Pick up her brother C.Help Julie with her study 15.Why does Susan ask the man to call before he comes?

A.She may not be at home

B.She might be busy doing what her mom asks her to do

C.She may do her homework

16.Why can?t they watch a video at Susan?s house?

A.They can?t decide on the time

B.Susan is too busy

C.The video machine doesn?t work

听下面一段材料,回答第17至20题。

17.What is the appropriate distance between us and our computer screen?

A.15 cm B.50 cm C.95 cm

18.Where should the window be when we use the computer?

A.On our left or right B.In front of us C.Behind us

19.What should we do when we use the computer?

A.Keep our elbows below the keyboard

B.Stay near the window

C.Take some exercise regularly

20.What is the speaker mainly telling us?

A.How to use a computer healthily

B.How to protect our eyes

C.How to use a computer differently

第二部分:阅读理解(共两节,40分)第一节(共15小题;每小题2分,共30分)阅读下列短文,从每题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

A

Year of Giving

Yesterday I started the Year of Giving, my first day of a year-long journey into exploring the act of giving and the meaning of charity. I chose December 15 as the starting date, which marked three years since my mother died from heart disease. She was one of the most generous people that I have ever known. She always thought of others first and certainly serves as an inspiration to me.

I had a rather busy day yesterday, ironic (具有讽刺意义的) for someone who is unemployed right now. In the morning I went to the gym, and unsuccessfully got the phone call from the unemployment office for some job searching. Before I knew it, it was noon. I grabbed a quick lunch and rushed down to a meeting. On my way to Connecticut, I wondered if I would see someone that I would feel forced to give my first $ 10 to. I was running late and decided to do it afterwards.

After the meeting I had about half an hour to find the first person of my Year of Giving! I decided to check out DuPont Circle. I had met a guy there named Jerry once and thought he would willingly accept my $ 10. He wasn?t there, but I did see a man sitting by himself who looked really lonely, so I approached him. Now I had to figure out what I was going to say, I think I sa id something like, “Hi, can I sit down here?” “I would like to know if I could give you $ 10?” He asked me to repeat what I had said, I did, then he looked at me funny, got up and left.

I then started walking south where I spotted a man standing by the bus stop on Connecticut Ave. He appeared to be in his 60s. I don?t know what drew me to him, but I thought I would make my second attempt. I was a bit nervous and asked him which bus came by that stop. Then I explained that I was starting a year-long project to give $ 10 to someone every day and that I wanted to give my $ 10 for today to him. The gentleman, I later found out that his name was Ed, responded without hesitation that he could not accept my offer and that there were many people more deserving the money than him. This was exactly one of the things that I hoped would happen. People would think of others before themselves.

21. The author set the starting date on December 15 to ____.

A. help the charity

B. remember his mother

C. make an explosion

D. fulfill a wish of his mum

22. In the author?s first attempt to give away the money, ____.

A. he was considered ridiculous

B. he hesitated for a long time

C. he was forced to donate the money

D. he had no time to take action

23. In the author?s seco nd attempt, the gentleman refused his offer because ____.

A. he didn?t need other?s help

B. he thought more for others

C. he didn?t care about money

D. he wanted to get more money

24. We can infer that the author was inspired by ____.

A. true friendship

B. his own kindness

C. generous donations

D. human?s good nature

B

Sports are the base of my life, next to my mother who raised me when my dad left us. I have been into sports since I was six years old. I have known many coaches and heard hundreds of their tips, but they usually focused on drills to develop my skills and reach the next level of play.

When I was in Senior two, I met the new school basketball coach, Brian Pawloski. I thought I was certain to be selected for the school team since I had been in it the year before. I showed up to the tryouts and put out about 90% effort since I thought I?d make it with no problem. That was a big mistake.

Brian Pawloski is the hardest-working coach I have ever met. He didn?t expect 100% effort, he e xpected

200% effort. One example: he once made us do 40 suicide drills for the 40 lay-ups(投篮) we missed in a game. Some think this is crazy, but it isn?t. After this conditioning practice, as we were get ting a cup of cold water to drink, I said, “Coach, that was the best practice I ever had.” I was completely sincere. This man was and is the person who influenced me most at my high school. He expects us to be excellent not just on the court but in the classroom. If I am not working on basketball, I am reading a book that he thinks will help us better understand life?s challenges, including Wooden, Coach, and The Screwtape Letters.

In the first two years I slacked off, not putting forth my full potential. Now, unlike the coaches of my youth, this man was interested in how we did off the court. He always made sure I kept up with my studies and was able to be trusted. I can honestly say that no other coach has given me so much advice on how to succeed in basketball, but more importantly, in life. My school is lucky to have such a great person to teach, coach and influence their students. I will always remember my high-school basketball days as one of the hardest times I have ever worked in my life not only in basketball but in my growth as an individual.

25. Different from other coaches, Coach Brian _____________.

A. concentrated on skill training

B. trained the team to the edge of death

C. expected the team to do well in their studies

D. asked the team to do more reading than training

26. The underlined phr ase “slacked off” in the last paragraph probably means ______________.

A. paid no attention

B. showed no interest C . had less passion D. made less effort

27. In the author?s eyes, Coach Brian is ____________.

A. strict and helpful

B. hardworking and honest

C. skilled and cruel

D. professional and serious

C

As we grow old, we realize that we have so little time to read and there are so many great books that we?ve yet to get around to. Yet re-readers are everywhere around us. For certain fans, re-reading The Lord of the Rings is a conventional practice annually. One friend told me that Jane Austen?s Emma can still surprise him, despite his having read it over 50 times.

New sudden clear understandings can be gained from the process of re-reading. Journalist Rebecca Mead, a long-time Englishwoman in New York, first came across George Eliot?s Middlemarch at 17. Since then, she has read it again every five years. With each re-reading, it has opened up further; in each chapter of her life, it has resonated (引起共鸣) differently. Mead evidenced the large number of ways in which really good books not only stand the test of repeat reads, but also offer fresh gifts each time we crack their spines. These kinds of books grow with us.

Scientists have also recognized the mental health benefits of re-reading. Research conducted with readers in the US found that on our first reading, we are concerned with the “what” and the “why”. Second time round, we?re able to better appreciate the emotions that the plot continues to express. As researcher Cristel Russell of the American University explained, returning to a book “brings new or renewed appreciation of both the great book and its readers.”

It?s true that we often find former selves on the pages of old books (if we?re fond of making notes on the pages). These texts can carry us back to a time and place, and remind us of the kind of person that we were then. We?re changed not only by lived experience but also by read experi ence—by the books that we?ve discovered since last reading the one in our hand.

More so than the movie director or the musician, the writer calls upon our imaginations, using words to lead us to picture this declaration of love or that unfaithfulness in life. A book is a joint project between writers and readers, and we must pour so much of ourselves into reading that our own life story can become connected with

the story in the book.

Perhaps what?s really strange is that we don?t re-read more often. After all, we watch our favourite films again and we wouldn?t think of listening to an album only once. We treasure messy old pa intings as objects, yet of all art forms, literature alone is a largely one-time delight. A book, of course, takes up more time, but as Mead confirms, the rewards make it adequately worthwhile.

28. The two books are mentioned in Paragraph 1 mainly to ________.

A. attract the attention of readers

B. introduce the topic of the passage

C. provide some background information

D. show the similarity between re-readers

29. The underlined expression “crack their spines” in Paragraph 2 refers to ________.

A. recite them

B. re-read them

C. recall them

D. retell them

30. It can be learned from the passage that ________.

A. reading benefits people both mentally and physically

B. readers mainly focus on feelings on their first reading

C. we know ourselves better through re-reading experience

D. writers inspire the same imaginations as film directors do

31. The purpose of the passage is to ________.

A. call on different understandings of old books

B. focus on the mental health benefits of reading

C. bring awareness to the significance of re-reading

D. introduce the effective ways of re-reading old books

D

Every day we are exposed to images, videos, music and news. In this age of visual and aural hyper-stimulation(视觉听觉超刺激), the medium of radio is making a great comeback.

“We?re at the beginning of a golden age of audio,” said US-based podcaster Alex Blumberg in an article in The Sydney Morning Herald. In the last month alone, 15 percent of US adults listened to a radio podcast(播客). These statistics, released by Edison Research, show the successful evolution of traditional radio broadcasts to the present day?s digital podcast format. The term “podcast” was invented in 2004, but the trend only started gaining mainstream popularity in recent years. With the sharp increase in consumer demand for smartphones and tablets, podcast sales have jumped.

The appeal of the podcast partly lies in its multiplatform delivery and on-demand capabilities(功能). You can listen during those extra minutes of the day when you?re walking to the shops, waiting in a queue or riding the subway. Similar to television shows, podcasts are generally free to download and most offer new content every week.

Donna Jackson, 22, Sydney University media graduate, listens to podcasts two or three times a week, via iTunes. “I listen while I?m wandering around the house doing something else. It makes completing a bori ng task much more enjoyable… And it?s an easy way of keeping in touch with what?s going on in the rest of the world,” she said. “I mainly listen to BBC podcasts, but recently I?ve also been listening to This American Life and Serial. They have a special skill to really draw you in.”

Unlike television and music, the audio format has the potential to create a deep impression on readers. Blumberg says this owes to the podcast?s ability “to create close relationship and emotional connection.” Sydney University undergraduate Hazel Proust, majoring in social work and arts, agrees. “When you?re listening, it feels as if the voice of the podcast?s storyteller is talking directly to you. It?s comforting,” said Proust.

It seems the age-old tradition of verbal storytelling is very much alive and well.

32. From the first two paragraphs, we can learn that _________.

A. traditional broadcast has come back

B. Americans love listening to the radio

C. podcasts have become very popular today

D. smartphones sell well because of podcasts

33. The writer mentions Donna Jackson mainly to ______.

A. tell how young people relax themselves

B. explain why young people like podcasts

C. introduce what programs podcasts are presenting

D. show how popular podcasts are among the young

34. Paragraph 5 is mainly about __________.

A. the influence of radios

B. the advantage of podcasts

C. readers? impression on radios

D. p eople?s reaction to the medium

35. What is probably the best title of the passage?

A. Return of Radio

B. Opinions of Podcast

C. Features of Radio

D. Technology of Podcast

第二节(共5小题;每小题2分,满分10分)

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Bullying(欺凌行为) is a problem in many schools. Maybe lots of you have ever come across school bullies(小霸王). 36

Ignore the bully and walk away. It?s definitely not a coward's response—sometimes it can be harder than losing your temper. Walk tall and hold your head high. 37

Hold the anger. Who doesn't get really upset with a bully? 38 Bullies want to know they have control over your emotions. Work out your anger in other ways, such as through exercise or writing it down.

39 However you choose to deal with a bully, don't use physical force. Not only are you showing your anger, you can never be sure what the bully will do in response. You are more likely to be hurt and get into trouble if you use violence against a bully. You can stand up for yourself in other ways, such as gaining control of the situation by walking away.

Talk about it. It may help to talk to a guidance advisor, teacher, or friend. 40 Talking can be a good outlet for the fears and frustrations that can build when you're being bullied.

A.Don't get physical.

B. Take charge of the situation.

C. People above can give you the support you need.

D. Here are some things you can do to fight bullying.

E. Some adults believe that bullying is part of growing up.

F. But that's exactly the response he or she is trying to get.

G.This type of body language means you are not easily harmed.

第三部分英语知识运用(共两节,满分45分)

第一节完形填空(共20小题;每小题1.5分,共30分)阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

Cancer Cancelled

My name's James and I am an 18-year "Cancer Survivor". When I was 15 years of age, I was at my house one day with my two sisters and when I tried to run up the steps, I blacked out, and 41 the stairs very hard. When I came to myself, I remembered my sisters saying “Are you alright?” and I replied “I think so, yeah.” But little did my sisters and I know that was the beginning of this 42 . When I began to try to climb the stairs, my whole right leg hurt seriously. I couldn?t move it 43 the assistance of my hands. The 44 was horrible. I finally made my way upstairs and I couldn?t 45 I couldn?t move my leg. As time went on it got 46 so a month later I finally went to hospital. I explained to the doctor what had happened. Then I was asked to go to the rooms 47 they treated me to the X-rays, MRI, and CAT SCANS machines. One week later, my doctor 48 the house and said, “You need to come up here right away!”

My mother and I 49 up there and they had the X-rays results ready for me–My body seemed 50 except my right leg. I was surrounded by doctors and nurses.

I got my 51 , but wasn?t clear on what was happening. They 52 us back home. Three days later, they

53 an expert from another continent or someplace and he looked at my X-rays one time and said “OH MY GOD, this young man has bone cancer.”

Once all of that got cleared up, they 54 my chemotherapy(化疗) treatments a week later. On October 9, 2014, I had the surgery, the bone replacement surgery. I was told that I couldn?t 55 like a normal person anymore, so 56 was impossible. I couldn?t do this or that, etc. Basically my 57 was over before it even got started. When I got through with my final chemotherapy I was 58 40 kg.

I want to share this story with you guys because today I?m 84 kg with 2% body fat. I don?t smoke or drink. I can walk and even run. I?m so 59 to be here and forever to grace life with my presence each day. My dream is to become the “ 60 ” to everybody who ever thought about giving up on life because it?s so hard, or just simply not living it.

41. A. took B. moved C. hit D. climbed

42. A. dream B. terror C. day D. memory

43. A. without B. from C. with D. for

44. A. pain B. change C. danger D. idea

45 A. guess B. notice C. believe D. understand

46. A. Better B. worse C. stranger D. cleaner

47. A. when B. before C. though D. where

48. A. found B. searched C. visited D. called

49. A. came B. rushed C. looked D. stayed

50. A. weak B. confused C. slim D. fine

51. A. treatment B. needs C. results D. recovery

52. A. followed B. carried C. sent D. directed

53. A. flew B. promised C. allowed D. served

54. A. continued B. started C. postponed D. cancelled

55. A. work B. walk C. think D. feel

56. A. playing B. stepping C. running D. learning

57. A. plan B. hope C. career D. life

58. A. only B. even C. ever D. right

59. A. nervous B. relieved C. curious D. grateful

60. A. Inspiration B. Instruction C. Introduction D. Information

第三部分英语知识运用(共两节,满分45分)

第II卷:非选择题部分(共50分)

注意事项:

用0.5毫米黑色笔迹的签字笔将答案写在答题卡上.写在本试卷上无效。

第三部分英语知识运用(共两节,满分45分)

第二节(共10小题;每小题1.5分,满分15分)

阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

Last year, my brother and I went to Miami for a vacation. Some of my friends who 61 (be) there before said it was a wonderful holiday destination. Before we went, we had planned for months. When the day came, we were ready.

After our plane landed, we went to the hotel. We had made our reservation six months 62 (early), but the man at the front desk said there had been a mistake. We 63 (tell)that our rooms hadn?t been reserved for that week, 64 for the week after. I didn?t understand 65 this would happen and my credit card had already been charged 66 the reservation. What?s worse, the hotel had been fully booked. When we were wondering what to do, the manager came out. She was 67 (surprise)helpful. She apologized for the mistake and gave us a spare VIP room on 68 top floor. We had never stayed in such an amazing room, and we weren?t charged extra.

The next day, my brother and I went to the beach 69 we watched some people play volleyball. We got a little 70 (sunburn), but the day had been so relaxing that we didn?t mind.

第四部分写作(共两节;满分35分)

第一节短文改错:(共10小题,每小题1分,满分10分)

假段定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。错误仅涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号( ),并在其下面写出该加的词。

删除:把多余的词用(\)划掉。

修改:在错的词下画一横线,并在该词下面写出修改后的词。

注意:1.每处错误及其修改均仅限一词;

2.只允许修改10处,多者(从第11处起)不计分。

Hello, boys and girls! Today, I am going to talk with what you should do when a fire alarm go off. If you hear the alarm, stand in line at the door and wait your teacher to lead you outside. Stay close to your teacher and classmate. Don?t panic or get out of line, and trying to remain quiet and calmly. Soon the firefighters will come and put out a fire. If it?s a false alarm and there is no fire, your teacher will lead us back to the classroom. If you notice that when someone is missing and hurt, tell your teacher immediately.

第二节书面表达(25分)

假定你是李华,本已约好与Kelvin今天(4月8日)晚上一起看电影《捉妖记》(Monster Hunt)。但你临时有事,他打篮球未回,故给他写留言条。要点如下:

1. 临时有事要做。

2. 具体更改的见面时间、地点。

3. 此事已告知谁。

4. 见字告知。

注意:1. 词数100左右。2. 可以适当增加细节,以使行文连贯。3.开头结尾已给。

英语答案及解析

听力:1-5 CACBA 6-10 ABABC 11-15 BABCB 16-20 CBACA

阅读:A篇21-24 BABD B篇25-27 CDA C篇26-31 BBCC D篇32-35 CBBA

七选五:36-40 DGFAC

完形:41-45 CBAAC 46-50 BDDBD 51-55CCABB 56-60 CDADA

填词:61. had been 62. earlier 63. were told 64. but 65. why 66. for 67. surprisingly 68. the

69. where 70. sunburnt/sunburned

改错:71. with改为about 72. go改为goes 73. wait后加上for 74. classmate改为classmates

75. trying改为try 76. calmly改为calm 77. a改为the 78. us 改为you

79. 去掉when 80. and 改为or

作文:

April 8

Hi Kelvin, I am going to tell you that as I have something important to attend this evening, so I can?t go to see the movie, Monster Hunt, with you this evening. And I have to change it to another place, the Wanda Cinema. We will meet together at 7:00 p.m. at the gate of the cinema tomorrow evening. I have already told your parents about this change when you were out to play basketball. If this change is not convenient to you, it is better for you to inform me of it so that we can set some other time for the movie.

Yours,

Li Hua

部分答案解析:

A篇

21. 根据第一段第二行“which marked three years…disease”可知B正确。

22. 第三段最后一句“He asked me to…and left.”得出A答案。

23. 最后一段倒数第三行“he could not accept my offer…than him”可知B正确。

24. 最后一段最后一行“This was exactly one of the things…happen”(人的善良本性)得出答案B.

B篇

25. 根据第三段“He expects us to be excellent…in the classroom.”和最后一段“Now, unlike the coaches of my youth…off the court”得知C正确。

26. 根据最后一段第一句中“not putting forth my full potential”得知答案为D。

27. 根据最后一段中“He always made me sure I …in life”以及“I will always remember my high-school basketball days…”可得出A。

C篇

28. 根据第一段“…can still surprise him…”得出答案B。

29. 根据第二段“Mead evidenced the large number…”这句话中的“stand the test of repeated reads”得出B正确。

30. 根据第三段“…returning to a book …brings new…and its readers?.”得出C答案。

31. 根据第一段最后一句和最后一段的最后一句可以得知C正确,让人们意识到re-reading的重要性。

D篇

32. 根据第二段的“The term …podcast? was invented …have jumped.”选出C。

33. 根据倒数第二段的最后一句,尤其是“draw you in”吸引你,得知选B。

34. 根据第五段的第一句得知B正确。

35. 根据最后一段得知A对。

七选五

36. 由上下文得知,此处需要D起承上启下的过渡作用。

37. G中的“This type of body language”与上一句“Walk tall and hold your head high”相呼应。

38. 本段的主题是克制愤怒,F承接上文,是对前一句的解释,表示人们收到欺凌时都会难过生气,但那正是欺凌者想要得到的反应。

39. A项中的“physical”与本段中的“physical force”相呼应,表示“不要使用武力”。

40. C与上一句的内容相呼应。

完形填空

41. 根据上一句“blacked out”晕了,撞到了楼梯。

42. 根据后文事情的发展“…my whole right leg hurt seriously. I couldn?t move it …”可以得知这里意思是“恐怖的开始”,所以选“terror”。

53. 这里的“flew an expert from another continent”的意思是从另一个大陆用飞机接一个专家。

湖北襄阳市第五中学物理第十一章 电路及其应用精选测试卷专题练习

湖北襄阳市第五中学物理第十一章 电路及其应用精选测试卷专题练习 一、第十一章 电路及其应用选择题易错题培优(难) 1.四盏灯泡接成如图所示的电路,a 、c 灯泡的规格为“220V 40W”,b 、d 灯泡的规格为“220V 100W”,各个灯泡的实际功率都 没有超过它的额定功率,则这四盏灯泡实际消耗功率大小的顺序是 A .a d c b P P P P >>> B .a c d b P P P P >>> C .a d b c P P P P >>> D .c d a b P P P P >>> 【答案】C 【解析】 【分析】 【详解】 根据公式2U P R =可得b 、d 的电阻小于a 、c 的电阻,a 、d 串联在干路,所以两灯泡的电 流相等,故根据公式2P I R =可得a d P P >,因为通过b 、c 的电流之和等于d 的电流,所以通过d 的电流大于b 的电流,b 、c 并联,电压相同,由于b 的电阻小于c 的电阻,所以b 的电流大小于c 的电流,故根据公式2P I R =可得d b P P >,b c P P >,综合可得 a d b c P P P P >>>,C 正确; 【点睛】 已知用电器的额定功率、额定电压,求实际电压的功率时,要抓住电阻不变这一关键点,能结合串并联电路的特点解题,难度适中. 2.一根长为L 、横截面积为S 的金属棒,其材料的电阻率为ρ,棒内单位体积自由电子数为n ,电荷量为e 。在棒两端加上恒定的电压时,棒内产生电流,自由电子定向运动的平均速率为v ,则金属棒内的电场强度大小为 A .ρnev B .ρnSev C .ρnLev D .ρnSLev 【答案】A 【解析】 【详解】

湖北省襄阳五中实验中学2019-2020学年九年级数学11月份月考试题(无答案)

2019-2020学年度襄阳五中实验中学九年级数学11月份月考试题 一、单选题(30分) 1.若关于的方程是一元二次方程,则的取值范围是( ) A. B. C. ≥1 D. 2.下列图形是中心对称图形的是( ) A. B. C. D. 3.一元二次方程 的根是 ( ) A. -1 B. 2 C. 1和2 D. -1和2 4. 如图,已知∠1= ∠2,则添加下列一个条件后,仍无法判定△ABC∽△ADE的是() A. B. C. ∠B=∠ADE D. ∠C=∠E 5.如图,△ABC绕C点顺时针旋转37°后得到了△A′B′C,A′B′⊥AC于点D,则∠A=(). A. 37° B. 53° C. 57° D. 74° 6.△ABC的外心为O,∠BOC=80°,则∠BAC=() A. 40° B. 100° C. 40°或140° D. 40或100° 7.已知二次函数y=ax2+bx+c的图象如图所示,其对称轴为直线x=-1,给出下列结论:(1) b2>4ac;(2)abc>0;(3) 2a+b=0;(4)a+b+c>0;(5)x取-3和x取1所对应的函数值相同。其中正确的结论有() A. 2 B. 3个 C. 4个 D. 5个 8.已知两点均在二次函数y=-2ax2+4ax+3(a>0)的图象上,则大小关系正确的是() A. y1>y2>y3 B. << C. y2y1>y3 9.如图,半径为2cm,圆心角为90°的扇形OAB中,分别以OA、OB为直径作半圆,则图中阴影部分的面积为( ) A. cm2 B. cm2 C. 1 cm2 D. cm2 10.如图,四边形ABCD为⊙O的内接四边形.延长AB与DC相交于点G,AO⊥CD,垂足为E,连接BD,∠GBC=50°, 则∠DBC的度数为() A. 50° B. 60° C. 80° D. 90° 二、填空题(18分) 11.参加一次商品交易会的每两家公司之间都签订了一份合同,所有公司共签订了45份合同,则参加商品交易会的 公司有__________家. 12.如图,一张矩形报纸ABCD的长,宽,E,F分别是AB,CD的中点,将这张报纸沿着直线EF对 折后,矩形AEFD的长与宽的比等于矩形ABCD的长与宽的比,则∶等于___________. 13.在纸上剪下一个圆和一个扇形纸片,使它们恰好围成一个圆锥(如图所示),如果扇形的圆心角为90°,扇形 的半径为8,那么所围成的圆锥的高为_______________. 14.如图,一下水管道横截面为圆形,直径为100cm,下雨前水面宽为60cm,一场大雨过后,水面宽为80cm,则水 位上升_______cm. 15.如图,等腰△内接于⊙,,=8,则⊙的半径为__________. 16.如图,正方形ABCD的边长为1,AC,BD是对角线.将△DCB绕着点D顺时针旋转45°得到△DGH,HG交AB于点 E,连接DE交AC于点F,连接FG.则下列结论: ①四边形AEGF是菱形②△AED△GED ③∠DFG=112.5°④BC+FG=1.5 其中正确的结论是______. 三、主观题(72分) 17.先化简,再求值:,其中 18.如图,要设计一副宽20cm、长30cm的图案,其中有一横一竖的彩条,横、竖彩条的宽度之比为2:3.如果要彩 条所占面积是图案面积的19%,问横、竖彩条的宽度各为多少cm? 19.如图,已知AB是⊙O的直径,CD与⊙O相切于C,BE∥CO. (1)求证:BC是∠ABE的平分线; (2)若DC=8,⊙O的半径OA=6,求CE的长.

江苏省盐城中学2018届高三上学期期末考试英语试题

第二部分:英语知识运用(共两节,满分35分) 第一节单项填空(共15小题;每小题1分,满分15 分) 请认真阅读下面各题,从题中所给的A、B、C、D 四个选项中,选出最佳选项,并在答题卡上将该项涂黑。 21. Every time I feel like giving up, my mother is turning up, saying hopes remain, there will be ways out. A. until B. though C. unless D. while 22. It seems to have him that I was the one who introduced him to the professor, with whose help he is a now famous physician. A. avoided B. rejected C. escaped D. removed 23. Event morning, time credits you with 86,400 seconds, and every night it , as lost, whatever of this you have failed to invest to good purpose. A. writes off B. turns off C. puts off D. takes off 24. —You didn’t go to Malaysia, why? —I was scheduled to start, this morning, but I to Shanghai because of the eruption of volcano there. A. am going B. will go C. was going D. would go 25. It is reported that North Korea is going to change its Amy Day to Feb. 8th and observe its 40th one day before the opening of the Winter Olympics, which shocks the whole world. A. skillfully B. athletically C. illegally D. precisely 26. If their populations continued to grow as fast as the past few years, the living conditions, traffic, public services, and especially the consumption of water and generation of garbage unbearable. A. would soon become B. soon became C. would have soon become D. had soon become 27. The main social between unbalanced and inadequate development and the people’s ever-growing needs for a better life is what we must face up to. A. conflict B. contribution C. controversy D. contradiction

福建省泉州五中2014届高三5月模拟考试理综试题

福建省泉州五中2014届高三5月模拟考试理科综合试卷 1. 科学家将线粒体放在低渗溶液中将其外膜涨破,然后通过离心处理将外膜与包裹着基质的内膜分开,再用超声波将内膜切成若干小段,每个小段均可自动闭合成一个小泡。下列说法错误的是 ( ) A.线粒体的外膜和内膜都以磷脂双分子层为基本支架 B.线粒体在低渗溶液中外膜涨破与膜的选择透过性有关 C.破裂的内膜可以自动闭合成小泡说明生物膜具有流动性 D.线粒体基质中含有水、丙酮酸、葡萄糖和核苷酸等多种化合物 2. 某地土壤中小动物的物种数和个体总数如右表,以下有关叙述正确的是 ( ) A.表中的信息说明群落具有垂直结构 B.不同土层中小动物的分布与光照无关 C.不同土层中的小动物都是消费者 D.土壤中某种小动物个体总数下降则该地物种丰富度随之下降 3. 生物学家使用一种能与胰岛素受体结合阻断胰岛素效应的多肽X 处理小鼠,获得一种名为β亲菌素的激素,该激素能刺激胰岛素分泌细胞的增殖。有关推断不合理的是( ) A.肝脏、肌肉等细胞膜上有与多肽X 结合的受体 B.用多肽X 处理正常小鼠,最初小鼠血糖浓度会降低 C.β亲菌素作用的靶细胞可能是胰岛B 细胞 D.注射β亲菌素可能有助于治疗某些糖尿病 4. 鱼被宰杀后,鱼体内的ATP 会生 成具有鲜味的肌苷酸,但酸性磷酸酶 (ACP)会催化肌苷酸分解导致鱼肉 鲜味下降。为了研究鱼类的保鲜方 法,研究者从草鱼、鲴鱼和鳝鱼中分 离得到ACP,并对该酶活性进行了系 列研究,相关实验结果如下。下列有 关叙述正确的是( ) A.不同鱼类的ACP 活性会随着温度的上升而增大 B.将宰杀后的鲴鱼放到37℃左右的环境中一段时间能保持其鲜味 C.将鱼肉放到适宜浓度的Ca 2+溶液中鲜味下降的速度会减慢 D.Zn 2+能使这三种鱼的鲜味下降速度减慢 5. B 基因在人肝脏细胞中的表达产物是含100个氨基酸的B-100蛋白,而在人小肠细胞中的表达产物是由前48个氨基酸构成的B-48蛋白。研究发现,小肠细胞中B 基因转录出的mRNA 靠近中间位置某一CAA 密码子上的C 被编辑成了U 。以下判断错误的是( ) A.肝脏和小肠细胞中的B 基因结构有差异 B.B-100蛋白和B-48蛋白的空间结构不同 C.B-100蛋白前48个氨基酸序列与B-48蛋白相同 D.小肠细胞中编辑后的mRNA 第49位密码子是终止密码UAA 6. 下列说法正确的是( ) A.减少SO 2的排放,可以从根本上消除雾霾 B.聚乙烯塑料、合成橡胶、光导纤维和碳纤维都属于有机高分子材料 C.去除锅炉水垢(含CaSO 4)时,可先用Na 2CO 3溶液处理,而后用醋酸溶解 D.粮食酿酒过程中,淀粉水解生成葡萄糖,葡萄糖水解生成乙醇 7. 下列有关物质性质的叙述正确的是( ) A.MgO 和Fe 3O 4都能与铝发生铝热反应 B.乙醇和乙酸都能发生取代反应 C.乙烷和苯都不能发生氧化反应 D.NaCl 溶液和蛋白质溶液都不能产生丁达尔效应 8. 一种根据燃料电池原理设计瓦斯分析仪工作原理如右图所示,其中的固 体电解质是Y 2O 3-Na 2O,O 2-可以在其中自由移动并与CO 2结合为CO 32-。下 列有关叙述正确的是( ) A.电极a 反应式为:CH 4+5O 2--8e -=CO 32-+2H 2O B.电极b 是正极,O 2-由电极a 流向电极b C.瓦斯分析仪工作时,电池内电路中电子由电极a 流向电极 b

B1 高三英语9月入学考试试题

云南省曲靖市沾益区四中2019届高三英语9月入学考试试题 (考试时间:120分钟,满分:150分) 第Ⅰ卷(选择题) 第一部分:听力(共两节,满分30分) 第一节:(共5小题;每小题1.5分,满分7.5分) 听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. What will the boy probably eat next? A. An apple. B. Vegetables. C. Chocolate cake. 2. When did Tom finish work? A. At 10:00. B. At 6:30. C. At 4:30. 3. What is the doctor’s advice? A. Come back in two days. B. Take some medicine. C. Stay home from school. 4. How does the woman feel? A. Surprised. B. Tired. C. Relaxed. 5. Who has been to Yellowstone National Park? A. The woman. B. The man’s uncle. C. The man’s sister. 第二节:(共15小题;每小题1.5分,满分22.5分) 听下面5段对话或独白。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中

2020届湖北省襄阳市五中2017级高三2月网络考试(二)英语试卷无答案

2020届湖北省襄阳市五中2017级高三2月网络考试(二)英语试卷 2020届高三年级寒假考试英语试题(二) 考试时间:120分钟试卷总分:150分 答题上传说明: 考虑到上次考试上传的短文改错全部错位,本次考试做2套语法填空,题号为61—80,依次在答题区域作答即可;短文改错改成附加题,作为课外作业,自己完成后对答案即可。其他答题要求不变! 第一部分听力(共两节,满分30分) 1. What will the man do next? A. Turn off the TV. B. Study with the woman. C. Watch a movie. 2. How old is the woman now? A. 20 years old. B. 45 years old. C. 65 years old. 3. What is small for the woman? A. The T-shirt. B. The hat. C. The skirt. 4. What does the man mean? A. The film is terrible. B. The film can be seen online. C. The film is worth the money. 5. Where does the conversation most probably take place? A. At home. B. At a hospital. C. At a drug store. 第二节(共15小题;每小题1.5分,满分22.5分) 听第6段材料,回答第6、7题。 6. What does the man like about his hometown? A. It’s really very big. B. It has colorful nightlife. C. It’s not expensive to live there. 7. What is the weather like in the fall in the man’s hometown? A. Sunny. B. Cold. C. Wet. 听第7段材料,回答第8、9题。 8. What time is the plane scheduled to leave now? A. At 4:00. B. At 3:00. C. At 5:00. 9. Why is the woman worried? A. The weather is bad. B. The report is not finished. C. An appointment will be delayed. 听第8段材料,回答第10至12题。 10. Why d oes the man’s brother go to the man’s place? A. To study. B. To work. C. To travel. 11. Where does the man work in the morning? A. At a university. B. At a restaurant. C. At a bookstore. 12. What language is the woman starting? A. French. B. Spanish. C. Japanese. 听第9段材料,回答第13至16题。 13. What are the speakers mainly talking about? A. What job to do in the future. B. Which professor to follow. C. What abilities to possess.

整式的加减知识点总结与典型例题(人教版初中数学)

整式的加减知识点总结与典型例题 一、整式——单项式 1、单项式的定义: 由数或字母的积组成的式子叫做单项式。 说明:单独的一个数或者单独的一个字母也是单项式. 2、单项式的系数: 单项式中的数字因数叫这个单项式的系数. 说明:⑴单项式的系数可以是整数,也可能是分数或小数。如2 3x 的系数是3;3 2 ab 的 系数是 3 1 ;a 8.4的系数是4.8; ⑵单项式的系数有正有负,确定一个单项式的系数,要注意包含在它前面的符号, 如24xy -的系数是4-;() y x 22-的系数是2-; ⑶对于只含有字母因数的单项式,其系数是1或-1,不能认为是0,如2 ab -的 系数是-1;2 ab 的系数是1; ⑷表示圆周率的π,在数学中是一个固定的常数,当它出现在单项式中时,应将 其作为系数的一部分,而不能当成字母。如2πxy 的系数就是2. 3、单项式的次数: 一个单项式中,所有字母的指数的和叫做这个单项式的次数. 说明:⑴计算单项式的次数时,应注意是所有字母的指数和,不要漏掉字母指数是1 的情况。如单项式z y x 2 4 2的次数是字母z ,y ,x 的指数和,即4+3+1=8, 而不是7次,应注意字母z 的指数是1而不是0; ⑵单项式的指数只和字母的指数有关,与系数的指数无关。如单项式 43242z y x -的次数是2+3+4=9而不是13次; ⑶单项式是一个单独字母时,它的指数是1,如单项式m 的指数是1,单项式 是单独的一个常数时,一般不讨论它的次数; 4、在含有字母的式子中如果出现乘号,通常将乘号写作“? ”或者省略不写。 例如:t ?100可以写成t ?100或t 100 5、在书写单项式时,数字因数写在字母因数的前面,数字因数是带分数时转化成假分数. ※典型例题 考向1:单项式 1、代数式 中,单项式的个数是( ) A .1 B .2 C .3 D .4 2、下列式子: 中,单项式的个数是( ) A .1 B .2 C .3 D .4

高三上学期期末考试英语试题

蒙阴县实验中学 2019—2020 学年度上学期期末考试 高三英语试题 2020.1 (满分:120 分) 注意事项: 1.答卷前,考生务必将自己的姓名、考生号等填写在答题卡和试卷指定位置上。 2.回答选择题时,选出每小题答案后,用铅笔把答题卡上对应题目的答案标号涂黑。如需改 动,用橡皮擦干净后,再选涂其他答案标号。回答非选择题时,将答案写在答题卡上。写在 本试卷上无效。 3.考试结束后,将本试卷和答题卡一并交回。 第一部分阅读( 共两节,满分 50 分) 第一节(共 15 小题;每小题 2.5 分,满分 37.5 分) 阅读下列短文,从每题所给的 A、B、C、 D 四个选项中选出最佳选项。 A Apple Seeds Circulation (发行量): 1 Year, 9 Issues Cover Price: MYM 44.55 Price For You: MYM 33.95 Product Description: Apple Seeds is an award-winning magazine filled with stories for kids aged from 7 to 9. The cover is very soft, providing durability (耐用性) that allows each issue to beenjoyed for many years to come. Besides, there is a big surprise for you—it's being sold at a morefavorable discount than usual.Better LifeCirculation: 1 Year, 12 Issues Cover Price: MYM 44.55Price For You: MYM 15.00Product Description: Designed for those who have a strong interest in the personal lifestyle,Better Life is America's complete home and family service magazine. It offers help with food,recipes, decorating, building, gardening, family health, money management, and education.Humor TimesCirculation: 1 Year, 12 IssuesCover Price: MYM 36.00Price For You: MYM 11.95 Product Description: Humor Times magazine is for those who love to laugh! Full of cartoons and humor columns, it shows up in your mailbox once a month and keeps you smiling all year round! In today's world, you need a reason to laugh. So let's find it in Humor Times. News ChinaCirculation: 1 Year, 12 IssuesCover Price: MYM 47.88Price For You: MYM 19.99 Product Description: News China magazine is the English edition of China Newsweek. The magazine covers the latest Chinese domestic news in politics, business, society, environment, culture, sports and travels, etc. It is the first comprehensive news magazine for readers interestedin China. 1.What do we know about Apple Seeds? A.You can receive it every month if you purchase it. B.The soft cover enables it to be read and kept long. C.It offers the biggest discount among all the magazines. D.The magazine is going to surprise you for many years. 2.Better Life can help you in ________. A.beautifying your house B.finding interesting stories for your kids C.ordering food from restaurants

高三秋季入学考试英语试题

英语试题 本试卷分第I卷和第II卷两部分。满分150分。考试用时120分钟。考试结束后。将本试卷和答题卡一并交回。 注意事项: 1.答卷前,考生务必用0.5毫米黑色签字笔将自己的姓名、座号、准考证号填写在答题卡和试题卷规定的位置上。 2.第I卷每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑;如需改 动,用橡皮擦干净后,再选涂其他答案标号。答案不能答在试题卷上。 3.第II卷必须用0.5毫米黑色签字笔作答,先划掉原来的答案,然后再写上新的答案; 不准使用涂改液、胶带纸、修正带。不按以上要求作答的答案无效。 第Ⅰ卷(三部分,共115分) 第一部分:听力部分(共三节,满分30分) 第一节(共5小题;每小题1.5分,满分7.5分) 听下面5段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听完每段对话后,你都有l0秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 例:How much is the shirt? A.?19.15.B.?9.15.C.?9.18. 答案是B。 1.Which is Not true about the man? A. He works hard B. He drinks and smokes a lot C. He is healthy. 2. How did the woman feel when she heard t he news? A. She is glad B. She was angry C. She was upset. 3. When does the next bus leave? A. At 9:10 B. At 9:15 C. At 9:20 4. What do you think of Jane’s job? A. Good B. Very bad C. Not very good. 5. What does the man mean? A. He is unable to help the woman. B. He is very glad to offer his help. C. He promises to think about how to help the woman. 第二节(共15小题;每小题l.5分,满分22.5分) 请听下面4段对话。每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试题卷的相应位置。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 请听第6段材料,回答第6至7题。 6. How did the woman like the lecture? A. She thought it interesting B. She thought it useless C. She thought it important. 7. What’s the woman’s opinion about future power? A. New machines will be invented to work on coal mines.

2020届湖北省襄阳市五中、夷陵中学2017级高三下学期联考理科综合物理试卷及答案

2020届襄阳市五中、夷陵中学2017级高三下学期联考 理科综合物理试卷 ★祝考试顺利★ 二、选择题:本题共8小题,每小题6分,共48分。在每小题给出的四个选项中, 第14~18题只有一项符合题目要求,第19~21题有多项符合题目要求。全部选对的得6分,选对但不全的得3分,有选错的得0分。 14、下列关于原子物理部分内容的有关说法不正确的是() A.法国物理学家贝克勒尔发现天然放射现象,通过科学家们进一步研究说明 原子核是有结构的; B.根据玻尔理论,一个处在n=4能级的氢原子跃迁时最多可能发出3种不同频率的光; C.爱因斯坦在光电效应实验中发现,逸出光电子的最大初动能与入射光的频率成正比; D.卢瑟福通过对α粒子散射实验的分析否定了汤姆孙的“枣糕”原子模型从而提 出了“核式结构”原子模型。 15、某军事试验场正在平地上试射地对空导弹.若某次竖直向上发射导弹时发生故障,造成导弹的v -t图像如图所示,则下列说法中正确的是( ) A.1~2 s内导弹静止 B.2~3 s内导弹匀减速下降 C.2~3 s内和3~5 s内加速度的方向相反 D.5s末导弹回到原出发点 16.如图甲所示,静止在水平面上重力为 F 的物块A受到竖直向上拉力F作用。F 与时间t的关系如图乙所示。( ) A.0—t 时间内拉力F对物体作的功 不为零

B. 2t 时刻物块速度最大 C. 2t 0—3t 时间内物块处于失重状态 D. 2t 0与3t 时刻拉力F的功率相同 17.在匀强磁场中,一个100匝的闭合圆形金属线圈,绕线圈平面内与磁感线垂直的固定轴匀速转动,穿过该线圈的磁通量随时间按 图示正弦规律变化,设线圈总电阻为2Ω,则( ) A. t=0时,线圈在中性面 B. t=1s时,线圈中磁通量对时间的变化率为零 C. 一个周期内,线圈产生的热量为(J) D.0—1s时间内通过导线横截面电荷量为4(c) 18.如图甲所示,Q 1、Q 2 为两个固定点电荷,其中Q 1 带正电,它们连线的延长线上有 a、b两点。一带正电的试探电荷以一定的初速度沿直线从b点开始经a点向远处运动,其速度图象如图乙所示。则() A 在Q 1、Q 2 之间放置一个点电荷,该点电荷 可能处于平衡状态 B. 从b到a场强逐渐减小,且a点场强为零 C. b点右侧电势逐渐升高 D. 在Q 1 左侧的连线延长线上存在场强为零的点 19.四颗人造卫星a、b、c、d在地球大气层外的圆形轨道上运行,其中a、c的轨道半径相同,b、d在同步卫星轨道上,b、c轨道在同一平面上.某时刻四颗卫星的运行方向及位置如图示,则下列说法正确的是() A. 卫星a、c的加速度相同 B. a卫星的线速度大于b卫星的线速度 C. 卫星b、d的角速度大小相等,且大于月球的角速

2020年高三英语期末考试试题

2019—2020学年度高三校际联合检测 英语 2020.01 本试卷共三部分,共10页。满分120分。考试时间100分钟。 注意事项: 1.答卷前,考生务必将自己的姓名、考生号等填写在答题卡和试卷指定位置上。 2.回答选择题时,选出每小题答案后,用铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。回答非选择题时,将答案写在答题卡上。写在本试卷上无效。 3.考试结束后,将答题卡上交。 第一部分阅读(共两节,满分50分) 第一节(共15小题;每小题2.5分,满分37.5分) 阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。 A Barbican Art Gallery A world-class arts and learning center,the Barbican pushes the boundaries of all major art forms including dance,film,music,theater and many visual arts from Egypt.Tickets: Adult:£10 online/£12 at the door 13-17 years old:£6 online/£8 at the door Children aged 12 and under:Free Opening Times: Sat.—Wed.:10 a.m.—6 p.m.;Thu.—Fri.:10 a.m.—9 p.m. Review by Laura Miller:I have just watched To Kill a Mockingbird here.The play and actors were fantastic.Nice and clean ladies’toilets with hot water.During the interval,they were selling the usual ice cream and drinks.Not all staff were friendly,but most were.I would come again to watch another show or even the same one. The British Museum

福建省泉州五中2015届高三5月模拟考试理综(含答案)

泉州五中2015届高三模拟考试 理科综合能力 陈志胜骆志森薛玲本试卷分第Ⅰ卷(选择题)和第Ⅱ卷。第Ⅰ卷均为必考题,第Ⅱ卷包括必考和选考两个部分。 可能用到的相对原子质量:H 1 O 16 Cu 64 第Ⅰ卷(必考) 本卷共18小题,每小题6分,共108分 选择题(本题共18小题。在每小题给出的四个选项中,只有一个选项符合题目要求。) 1.噬藻体(病毒)对水华的消长过程有一定的调控作用。噬藻体能在蓝藻细胞内复制增殖,产生许多子代噬藻体,并最终导致蓝藻的裂解。以下说法正确的是 A.噬藻体与蓝藻均为原核生物,不具有叶绿体等细胞器 B.噬藻体进入蓝藻后吸收营养产生大量能量并迅速增殖 C.噬藻体以蓝藻的DNA为模板合成子代噬藻体的核酸 D.噬藻体利用蓝藻的氨基酸合成子代噬藻体的蛋白质 2.下列有关科学史中的实验和结论能相匹配的是

的特点 C鲁宾和卡门实验证明光合作用产生淀 粉 D艾弗里证明遗传物质 的实验DNA是主要的遗传物 质 3.为研究细胞分裂素对生长素合成的影响,将生长10天的拟南芥幼苗分别置于添加est(细胞分裂素合成诱导剂)和BAP(细胞分裂素类似物)培养液中培养24小时,结果如图所示。以下推测错误的是 A.细胞分裂素可以促进幼叶和根系中生长素的合成 B.成熟叶片中生长素的合成不受细胞分裂素合成诱导剂的影响C.幼叶和根系细胞对细胞分裂素敏感,成熟叶片细胞比较迟钝D.随着幼苗的不断长大,细胞分裂素的促进作用会更显著 4.在千岛湖地区两个面积、植被、气候等环境条件相似的A、B两岛上对社鼠 进行种群数量调查,得到如图所示结果。已 知B岛上另一种鼠类——青毛硕鼠的数量 要明显多于A岛,且6~8月该岛上有黄鼠 狼活动。下列说法正确的是 A.两岛社鼠数量超过50只后均开始下降,说明环境容纳量均为50只

【2019最新】高三英语入学摸底考试试题卫星班(1)

【2019最新】高三英语入学摸底考试试 题卫星班(1) 说明: 1.本试卷分不包含听力,满分120分,考试时间100分钟。 2.将选择题答案代表字母填(涂)在第II卷的答题表(答题卡)中。 第一部分听力(略) 第二部分阅读理解(共两节,满分40分) 第一节(共15小题;每小题2分,满分30分) 阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。 A The Costa Book Awards consistently pick winners that are both of the moment and subsequently endure. It’s our pleasure to confirm this year’s Category Winners. First Novel Award Winner

Book: Eleanor Oliphant is Completely Fine Author: Gail Honeyman Biography Award Winner Book: In the Days ofRain Author: Rebecca Stott Poetry Award Winner Book: Inside the Wave Author: Helen Dunmore To be alive is to be inside the wave, always travelling until it breaks and is gone. These poems are concerned with the borderline between the living and the dead — the underworld and the human living world - and the acutely intense being ofboth. Children’s Award Winner Book: The Explorer Author: Katherine Rundell, Hannah Horn 21.What kind of life does Eleanor lead? A. boring and lonely. B. funny and touching.

2019届湖北省襄阳市第五中学高三模拟考试(一)理综生物试题(解析版)

襄阳五中2019届高三年级模拟考试(一) 理科综合生物试题 一、选择题 1. 下列有关细胞结构的叙述正确的是 A. 细胞膜是所有细胞的边界,细胞中脂质的合成都在内质网上发生 B. 破坏低等植物的中心体或高尔基体,均有可能得到染色体数加倍的细胞 C. 生物膜上的蛋白质与物质交换有关,而与生物催化作用无关 D. 在动物细胞的细胞膜上存在吸收葡萄糖不存在释放葡萄糖的过程 【答案】B 【解析】分析:细胞中存在的内质网除与蛋白质合成与加工有关,也与脂质的合成有关;中心体与细胞分裂中纺锤体的形成有关;高尔基体除与细胞分泌物形成有关,还与植物细胞壁的形成有关;细胞生物膜上的蛋白质有多种,如载体蛋白、酶蛋白、受体蛋白等,分别与物质的运输、催化、传递信息有关。 详解:原核细胞内没有内质网,所以原核细胞中脂质的合成与内质网无关,A错误;破坏低等植物的中心体,导致细胞有丝分裂过程中不能形成纺锤体;破坏低等植物的高尔基体,导致细胞有丝分裂末期不能形成细胞壁;这两种情况的发生均有可能使染色体复制的低等植物细胞不能分裂为两个细胞,进而得到染色体数加倍的细胞,B正确;生物膜上有的蛋白质作为载体,与物质交换有关;有的蛋白质作为酶,起生物催化作用,C错误;在动物肝细胞的细胞膜上既存在吸收葡萄糖的载体,也存在释放葡萄糖的载体,D错误。点睛:易错选项D中容易忽视肝细胞中既能从组织液中吸收葡萄糖(进行利用、转化和储存);也能释放葡萄糖(肝糖原分解产生)到血浆中。 2. 叶片颜色的变化是叶片衰老最显著的特征之一,通常将叶片中叶绿素含量的下降作为其衰老的检测指标。下列有关叶片衰老的叙述不正确的是 A. 黄化过程中,叶绿素的降解明显快于合成,RNA大量水解,蛋白质含量显著下降 B. 叶片衰老的过程中某些细胞器可能发生解体 C. 在衰老叶中,单个细胞可能处于发育或衰老的不同时期 D. 从根本上说,叶片衰老是多种植物激素相互作用共同调节的结果 【答案】D 【解析】黄化过程中,叶片衰老的程度逐渐增强,细胞代谢逐渐减弱,因此叶绿素的降解明显快于合成,RNA大量水解,蛋白质含量显著下降,A正确;叶片衰老的过程中,细胞代谢逐渐减弱,某些细胞器可能发生解体,B正确;在多细胞生物体中,细胞的衰老不是同步进行的,所以在衰老叶中,单个细胞可能处于发育或衰老的不同时期,C正确;从根本上说,叶片衰老是基因组在一定时间和空间上程序性表达的结果,

鄂南高中华师一附中黄石二中荆州中学襄阳四中襄阳五中孝感高中黄冈中学2019届高三第一次联考理科综合试题

鄂南高中华师一附中黄石二中荆州中学 襄阳四中襄阳五中孝感高中黄冈中学 2019届高三第一次联考 命题学校:湖北襄阳四中命题人:杨立涛杨国明张华任建新侯连峰王朝明 审题人:张再良汪响林屈泽兵张旭黄志鹏李神兵考试时间:2019年12月8日上午9:00—11:30 全卷满分300分。考试时间150分钟。 ★祝考试顺利★ 注意事项: 1.本试卷分第Ⅰ卷(选择题)和第二卷非选择题两部分。答题前考生务必将姓名、考号填写在答题卡上。2.回答第Ⅰ卷时,每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦擦干净后,再选涂其他答案标号。 3.答第Ⅱ卷时,将答案写在答题卡上,写在试题卷无效。 4.考试结束,本试题卷和答题卷一并收回。 第Ⅰ卷(选择题共126分) 可能用到的相对原子量:H:1 N:14 O:16 S:32 Fe:56 Cu:64 Al:27 Zn:65 一、选择题:本大题共13小题,每小题6分。在每小题给出的四个选项中,只有一项是符合题目要求的。1.螺旋现象普遍存在于多种物质或生物结构中,下列有关说法不正确的是: A.某些蛋白质具有的螺旋结构,决定了其特定的功能 B.染色体解螺旋形成染色质的同时,DNA分子的双链也随之解旋 C.DNA具有规则的双螺旋结构,决定了其结构的稳定性 D.水绵的叶绿体呈螺旋式带状,便于实验时观察光合作用的场所 2.下列有关细胞的叙述,正确的是: A.高度分化的动物细胞永远失去了增殖的能力 B.酵母菌细胞核中的遗传物质是DNA,细胞质中的遗传物质是RNA C.细胞的寿命和分裂能力与其承担的功能有关 D.将高温杀死的洋葱鳞片叶外表皮细胞放入高浓度的蔗糖溶液中,仍然会发生质壁分离现象 3.关于细胞代谢的叙述,正确的是: A.硝化细菌利用氧化无机物产生的能量合成有机物时需要多种酶的参与 B.马铃薯块茎的无氧呼吸产物会使溴麝香草酚蓝水溶液由蓝变绿再变黄 C.一般情况下,人体内乙醇浓度越高,与乙醇分解相关酶的活性越高 D.乳酸杆菌无氧呼吸也能产生A TP和[H],但没有[H]的消耗过程 4.下列有关于育种和进化的说法,不正确的是: A.基因工程育种的原理是基因重组 B.诱变育种可提高突变率,在较短时间内获得更多的优良变异类型 C.种群基因频率的定向改变并不意味着新物种的产生 D.共同进化是指不同物种之间在相互影响中的不断进化和发展 5.某植物为XY型性别决定的雌雄异株植物,其叶形宽叶(B)对窄叶(b)是显性,B、b基因仅位于X 染色体上。研究发现,含X b的花粉粒有50%会死亡。现选用杂合的宽叶雌株与窄叶雄株进行杂交获得F1,F1随机传粉获得F2,则F2中阔叶植株的比例为: A.15/28 B.13/28 C.9/16 D.7/16 6.如图1为果蝇的精原细胞增殖以及形成精子过程中一个细胞内同源染色体数量(单位:对)的变化曲线,图2表示该果蝇的一个细胞分裂示意图。下列叙述正确的是: A.CD段细胞内含有4条X染色体,4个染色体组 B.AB段、FG段均可发生基因突变和基因的自由组合 C.若染色体①上有基因B,染色体②的相同位点上有基因b,则其原因是在AB段发生了基因突变D.图2细胞是次级精母细胞,精原细胞形成精子的过程中存在基因的选择性表达 7.如何解决好碳排放问题是关系到人类可持续发展的重大课题之一。目前,采用较多的方法是对二氧化碳进行捕集封存和富集再利用。下列与二氧化碳有关的叙述正确的是 A.CO2是形成酸雨的主要物质 B.CO2导致温室效应,是一种大气污染物 C.CO2(g)+C(s)高温2CO(g) H>0,高温有利于该反应自发进行 D.实验室常用大理石与稀盐酸或稀硫酸反应制取二氧化碳 8.2019年9月28日,美国宇航局宣布发现了火星上存在液态水的证据。下列关于水的叙述正确的是:A.水是一种重要的溶剂,能溶解所有的无机物和大多数有机物 B.水是一种重要的化学试剂,在一定条件下可与许多无机物和有机物发生反应 C.在氧化还原反应中,水只能作氧化剂,不能作还原剂 D.海水淡化的方法主要有蒸馏法、电渗析法、离子交换法等,在上述方法中都有化学反应发生9.钢化玻璃俗称普通玻璃的化身,是普通玻璃经一定物理方法处理后得到的。钢化玻璃一般不会发生自爆现象,但当钢化玻璃中含有硫化镍结核时就有可能发生自爆现象。下列有关说法中错误的是 A.制取钢化玻璃的原料为石灰石、纯碱和石英 B.钢化玻璃是一种新型无机非金属材料 C.制取钢化玻璃的主要反应都是非氧化还原反应 D.在碳素钢中加入镍等合金元素可以制得不锈钢及各种特种钢 10.1934年,科学家首先从人尿中分离出具有生长素效应的化学物质——吲哚乙酸,吲哚乙酸的结构如右图所示。下列有关吲哚乙酸的说法中正确的是 A.吲哚乙酸与苯丙氨酸互为同分异构体 B.吲哚乙酸可以发生取代反应、加成反应、氧化反应和还原反应 C.1 mol吲哚乙酸与足量氢气发生加成反应时,可以消耗5 mol H2 D.吲哚乙酸苯环上的二氯代物共有四种结构 湖北省八校

相关文档
相关文档 最新文档