第二十单元检测B

1、.第二十单元检测B时间:120分钟总分值:150分第卷第一部分听力共两节,总分值30分第一节共5小题;每题1.5分,总分值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三个选项中选出最正确选项,并标在试卷的相应位置。听完每段对话后,你都有10秒钟的时间来答复有关小题和阅读下一小题。每段对话仅读一遍。M:Boy!How quickly technology changes!So many people have a computer in their homes nowadays.W:I know.I feel so behind the times.1What can b

2、e inferred about the woman?A.She doesnt have a computer.B.Her computer is the latest model.C.She has fallen behind others at work.答案:AW:Can you take a picture of me with the mountains in the background?M:Im afraid I just ran out of the film.2What does the man mean?A.Hes just back from a horror film.

3、B.He doesnt have any more film.C.He doesnt know how to use the camera.答案:BM:Im no expert,but that noise in your fridge doesnt sound good.Maybe you should call and have it checked out.W:Youre right,and I suppose Ive put it off long enough.3What will the woman probably do?A.Call a repair person soon.B

4、.Ask the man to fix her fridge.C.Wait to see if the problem will disappear.答案:AW:What do you think I should buy for my mom on her birthday?M:If I were you,I would buy a mobile phone.It would be an excellent gift.W:Thats a good idea.4What will the woman most probably buy for her mother?A.A cellphone.

5、B.A computer.C.A washing machine.答案:AW:I wish I had a mobile phone.M:Me,too.Then we could contact each other anywhere anytime.W:Uh.Uh,not in class,though.5What are the speakers?A.They are workers.B.They are sales people.C.They are students.答案:C第二节共15小题;每题1.5分,总分值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

6、、B、C三个选项中选出最正确选项,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,每题5秒钟;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料,答复第6至8题。W:Where is Irene?I havent seen her all day.M:Shes in the computer room using the Internet.W:Recently,she has been spending hours and hours on the Internet every day.I think shes addicted to it!M:Nons

7、ense!Shes probably just getting some facts for her report.W:No,shes just wasting all her time on the BBS or in one of those discussion groups.And yesterday,she was using the Internet to do some shopping!M:If youre really worried,lets go to get her.We can encourage her to do something else.W:OK,but y

8、oull have to wait a minute.First I have to check my email.6What is Irene doing now?A.She is using the computer.B.She is working on her report.C.She is playing computer games.答案:A7Why is the woman worried about Irene?A.Because she is afraid Irene spends too much money.B.Because she is afraid Irene is

9、 doing too much work.C.Because she is afraid Irene is addicted to playing games on the Internet.答案:C8What will the woman do after checking her email?A.Reply to the email.B.Go to play with Irene.C.Go to get Irene out of the computer room.答案:C听第7段材料,答复第9至11题。W:Have you finished your paper,Mr Smith?M:Y

10、es,I have.W:How could you finish it so fast?M:I got a lot of information on the Internet.Do you use the net?W:No,I dont.I think its too expensive.M:No,its not.The fee is only one dollar an hour.W:But I havent connected my computer to the Internet yet.Can you tell me how to do it?M:All right.You just

11、 go to the post office and apply for a website,and then you can use it.You pay the fee every month just as you do with your telephone.W:Thank you very much.I think I will do it.9Where did the man get so much information?A.On the Internet.B.On the radio.C.On the television.答案:A10How often should the

12、fee be paid?A.Every month.B.Every two months.C.Every week.答案:A11What will the woman do?A.She will use the computer in her office.B.She will apply for a website in the post office.C.She will decide not to use the Internet in the future.答案:B听第8段材料,答复第12至14题。W:Which subject do you like best at school?M

13、:Computer studies.W:Why?M:I can log onto the web and get a lot of information.W:Do your classmates like the subject?M:Yes.More boys than girls like the subject.W:Why dont many girls like computers?M:Hmm,girls and machines never mix.Girls are romantic and most of them like arts.12Which subject does t

14、he man like best at school?A.Maths.B.Arts. C.Computer studies.答案:C13Which of the following is true?A.Most girls like machines.B.More boys than girls like the computer.C.More girls than boys like the computer.答案:B14Why do most girls like arts?A.They are romantic.B.They are pretty.C.They are silly.答案:

15、A听第9段材料,答复第15、16题。M:Gee.I wish I had enough money to hire a housekeeper.W:Oh,dont be so lazy.Is it really that hard to keep your room clean?M:Its not just my room.I need someone to wash my clothes and fix my lunch,too.W:Is that all?M:Well,it would be nice if they could serve me breakfast in bed and

16、also do my homework.W:And I suppose youd want someone who never complains about having to do so much work.M:Sure,why not?W:I dont think you can find a human being like that.What you need is a robot.15What can we know about the man?A.He hates to do housework.B.He is a very hardworking man.C.He enjoys

17、 cooking his own meals.答案:A16Whats the womans opinion?A.She suggests the man do his own work.B.She believes the man should hire a housekeeper.C.She believes the man is asking for something impossible.答案:C听第10段材料,答复第17至20题。Third,fourth and fifth graders are going all over the world without ever leavi

18、ng their computer at school.Arundel Elementary School in San Carlos,California could be the most wired school in America.They are wired to the Internet through their computers.On the Internet,30 Arundel students from kindergarten to the fifth grade log onto computers every day.Teacher Judy Garber sa

19、ys its hard to get the kids away from the computers.They dont even want to take a break.Laura Bacon likes to visit other students.Shes going to Peggys page.Peggy is a school student in London,England.She puts her own homepage on the Internet.It includes pictures of Peggy,her school,her mom,dad and f

20、riends.You can send her mails,too.Scientist John Gage helped to wire Arundel School.He said,“there is a plan to connect 12 thousand California schools on the Internet. On November 4th,parents and computer experts did a test run for this day and Arundel was wired to the Internet.17Whats this news sto

21、ry mainly about?A.Children going online at school.B.School children travelling all over the world.C.Laura Bacon in California visiting Peggy in London.答案:A18Why is it hard to get the kids away from the computers?A.Because they love the games on the computers.B.Because they are too young to learn how

22、 to use them.C.Because they love to do things on the Internet so much that they refuse to leave their computers.答案:C19Whats the relationship between Laura and Peggy?A.They are schoolmates.B.They contact each other on the Internet.C.They have been close friends for many years.答案:B20What will happen i

23、n the near future?A.Laura Bacon will go to London to visit Peggy.B.The school will not allow the kids to use the computers.C.More California schools will be wired to the Internet.答案:C第二部分阅读理解共两节,总分值40分第一节共15小题;每题2分,总分值30分阅读以下短文,从每题所给的四个选项A、B、C和D中,选出最正确选项。AScience is a major topic in our culture.Sinc

24、e it touches almost every field of our life,educated people need at least some knowledge of its structure and operation.They should also have an understanding of the scientific subculture in which scientists live and what kinds of people they are.An understanding of general characteristics of scienc

25、e as well as specific scientific ideas is easier to obtain if one knows something about the things that excite and discourage scientists.This book is written for the person whose knowledge of science is not complete;for the person who has been presented with science as a musty发霉的storehouse of dried

26、facts;for the person who sees the chief objective of science as the production of tricks;and for the person who views the scientists as some sort of magician.The book can be used to add to a course in any science,to come with any course that attempts to give an understanding of the modern world,or s

27、imply to provide a better understanding of science.We hope this book will lead readers to a broader view on scientific attitudes and a more realistic view of what science is,who scientists are,and what they do.It will give readers an idea and understanding of the relationship between science and our

28、 culture and an appreciation of the roles science may play in our culture.Besides,readers may learn to appreciate the relationship between scientific views and some of the values and philosophies哲学 that are deep in our culture.We have tried to present in this book a correct and up-to-date picture of

29、 the scientific world and the people who populate it.That population has in recent years come to include more and more women.This increasing role of women is not just the only event but,rather,part of the trend obvious in all parts of society,as more women enter traditionally male-controlled fields

30、and make influential contributions.We have also tried to make the book entertaining as well as informative.Our method is usually informal.We feel,as many other scientists do,that we shouldnt take ourselves too seriously.As the readers may observe,we see science as a delightful pastime rather than as

31、 a cruel and unpleasant way to earn a living.21According to the passage,“scientific subculture means .A.scientific societyB.technical groupC.complex situationD.knowledge system解析:由其后的定语从句“in which scientists live可知,scientific subculture指的是科学家们生活的社会,应选A项。答案:A22We need to know something about science

32、because .A.scientists have specific scientific ideasB.science affects almost every field of our lifeC.it is easier to understand general characteristics of scienceD.it is not easy to understand the things that excite and discourage scientists解析:由短文第一段中“Since it touches almost every filed of our life

33、,educated people need at least some knowledge .可知,原因在于科学存在于我们生活中的方方面面。答案:B23The book mentioned in this passage is written for readers who .A.want to make a contribution to scienceB.have a thorough understanding of scienceC.want to break from the male-controlled worldD.have a misunderstanding about s

34、cience解析:由短文第二段第一句可知,“本书针对的读者是科学知识不完善者,将客观科学当成骗人的把戏者,将科学家看作魔术师者等,应选D项。答案:D24This passage is most probably .A.the review of a bookB.the concluding part of a bookC.the information added to a bookD.the introduction of a book解析:文章先讲了科学的重要性,然后从书的合适人群、内容等方面对书进展了介绍,应选D项。答案:DBModern inventions have speeded

35、up peoples lives amazingly.Motor-cars cover a hundred miles in little more than an hour,aircrafts cross the world within a day,while computers operate at lightning speed.Indeed,this love of speed seems never-ending.Every year motor-cars are produced which go even faster and each new computer boasts吹

36、嘘 of saving precious seconds in handling tasks.All this saves time,but at a price.When we lose or gain half a day in speeding across the world in an airplane,our bodies tell us so.We get the uncomfortable feeling known as jet-lag;our bodies feel that they have been left behind in another time zone.A

37、gain,spending too long at computers results in painful wrists and fingers.Mobile phones also have their dangers,according to some scientists;too much use may transmit harmful radiation into our brains,a consequence we do not like to think about.However,what do we do with the time we have saved?Certa

38、inly not relax,or so it seems.We are so accustomed to constant activity that we find it difficult to sit and do nothing,or even just one thing at a time.Perhaps the days are long gone when we might listen quietly to a story on the radio,letting imagination take us into another world.There was a time

39、 when some peoples lives were devoted simply to the cultivation of the land or the care of cattle.No multi-tasking there;their lives went on at a much gentler pace,and in a familiar pattern.There is much that we might envy about a way of life like this.Yet before we do so,we must think of the hard t

40、asks our ancestors faced:they farmed with bare hands,often lived close to hunger,and had to fashion tools from wood and stone.Modern machinery has freed people from that primitive existence.25The new products become more and more time-saving because .A.our love of speed seems never-endingB.time is l

41、imitedC.the prices are increasingly highD.the manufacturers boast a lot解析:根据第一段“Indeed,this love of speed seems never-ending.可知A项正确。答案:A26What does “the days in Paragraph 3 refer to?A.Imaginary life.B.Simple life in the past.C.Times of inventions.D.Time for constant activity.解析:根据后文提到的“when we might

42、 listen quietly to a story on the radio,letting imagination take us into another world.可知是那种简单的生活。答案:B27What is the authors attitude towards modern technology?A.Critical.B.Objective.C.Optimistic.D.Negative.解析:一方面作者对于现代创造给人们带来的便利予以肯定,另一方面又成认了它的负面影响,所以作者的观点是中立的、客观的。答案:B28What does the passage mainly d

43、iscuss?A.The present and past times.B.Machinery and human beings.C.Imaginations and inventions.D.Modern technology and its influence.解析:本文主要讲述了现代创造进步了人们的生活程度以及人们该如何处理它所带来的负面影响,应选D项。答案:DCMost people,when they travel to space,would like to stay in orbit for a few days or more.And this stands to reason

44、,if youre paying $20,000 for your trip to orbit!So in order for tourism to reach its full potential theres going to be a need for orbital accommodation or space hotels.What would a space hotel actually be like?Hotels in orbit will offer the services you expect from a traditional hotel private rooms,

45、meals,bars.But theyll also offer two unique experiences:impressive views of Earth and space and the endless entertainment of living in zero gravity including sports and other activities that make use of this.The hotels themselves will vary greatly from being quite simple in the early days to huge lu

46、xury structures at a later date.Its actually surprising that as late as 2019,very few designs for space hotels were published.This is mainly because those who might be expected to design them havent expected launch costs to come down far enough to make them possible.Lots of people whove been to spac

47、e have described vividly what its like to live in zero gravity.There are obviously all sorts of possibilities for dancing,gymnastics,and zero-G sports.Luckily,you dont need to sleep much living in zero gravity,so youll have plenty of time for relaxing by hanging out in a bar with a window looking do

48、wn at the turning Earth below.Of course all good things have come to an end,unfortunately.And so after a few days youll find yourself heading back though youll be much more expert at exercising in zero gravity than you were when you arrived.Youll be thinking how soon you can save up enough to get ba

49、ck up again or maybe you should change jobs to get to work in an orbiting hotel!29When travelling in space,most people would like to stay in orbit for a few days or more because .A.it is expensive to travel in spaceB.they would find the possible life in other star systemsC.they could enjoy the luxur

50、y of space hotelsD.they want to realize the full potential of tourism解析:第一段第二句“And this stands to reason,if youre paying $20,000 for your trip to orbit!说明,到太空旅游花费是昂贵的。答案:A30Which of the following is a unique experience that space hotels will offer?A.The gravitational pull.B.The special views.C.The r

51、elaxation in a bar.D.The space walk.解析:由第一段最后一句“But theyll also offer two unique experiences:impressive views .and the endless entertainment of living in zero gravity .可知B项正确。答案:B31Which of the following is NOT discussed in the passage?A.When was the space travelling made possible?B.What are the uni

52、que experiences that space hotels will offer?C.Why were there not many published designs for space hotels?D.How can the travellers enjoy themselves in space hotels?解析:由第一段最后一句可知文章讨论了B项;由第二段最后一句可知讨论了C项;由第三段可知文章讨论了D项;而A项未讨论。答案:A32This passage is mainly about .A.travelling in spaceB.the ways of living

53、in space hotelsC.zero gravity and space hotelsD.the description of space hotels解析:通读全文可知,文章描绘了太空旅馆的设计以及所提供的效劳等,故D项正确。答案:DDScientific discoveries have changed mans life a great deal during the past century.First of all,they have greatly improved material well-being in several areas of life.In the fie

54、ld of medicine,cures for life-threatening diseases have enabled people to live longer.In communication,the telephone and email have made it possible for us to communicate with anyone in the world without leaving our homes or offices.Advances in transportation allow businessmen to fly across the ocea

55、n in the morning and return home the same evening.Space technology has put men on the moon.More efficient ways of using available resources,such as coal and solar power,have been explored.Scientific discoveries have also changed mans moral atmosphere.Ethical伦理的 issues are raised by these discoveries

56、.Should we keep a terminally ill person alive through drugs and machines or should we allow him to die in dignity?With advances in transportation has come the problem of pollution for nearly every major city in the world.If cities become uninhabitable,then such technical advances may come with too g

57、reat a price to pay.Many people also question the wisdom of sending men to the moon when there are urgent problems that have not been solved on earth.During future years,increasing attention must be given to the moral as well as the practical applications of science.33Scientific discoveries have improved mans life in several fields.Which of the following is NOT mentioned in the passage?A.Medicine.B.Communication and transportation.C.Education.D.Space technology.解析:从第一段可知,科学发如今医药、通讯和交通以及空间技术方面改善了人们的生活;而C项并未提及。答案:C34Which o