大学四级-80及答案解析.doc

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1、大学四级-80 及答案解析(总分：617.00，做题时间：90 分钟)一、BPart Writing(总题数：1，分数：106.00)1.B Migrant Workers/B 1. 打工者给城市生活带来的巨大变化。 2. 但打工者也给城市生活带来了一些问题。 3. 我们应采取正确的态度来解决这些问题。（分数：106.00）_二、BPart Reading (总题数：5，分数：35.00)2.Which of the following statements is NOT TRUE about the scientists research?（分数：7.00）A.The scientists

2、experimented with VC in test tubes.B.The research didn t involve people.C.VC was tested in the lab only.D.Mark Levine did the experiment involving people.3.What does the author imply when he mentions “living cells“ in Paragraph 3?（分数：7.00）A.The research has involved living creatures.B.The results fr

3、om the lab test might not always be reliable.C.If it is tested in living body, the results will be the same.D.The chemistry of VC is living.4.Taking a lot of VC _.（分数：7.00）A.is supported by VC expertsB.is encouraged by the US governmentC.is agreed by medical researchersD.is disapproved by many scien

4、tists5.What does this passage mainly discuss?（分数：7.00）A.Taking a large amount of VC will do good to health.B.Taking too much VC pills every day is not good for health.C.People should take as much VC as possible.D.It is not necessary at all to take VC pills.三、BPart Listenin(总题数：2，分数：70.00)B Questions

5、 6 to 15 are based on the conversation you have just heard./B（分数：35.00）A.John came at l0:45.B.John came at l0:50.C.John came at 9:45.D.John came at 11:20.A.She will help the man catch up.B.She is worried about the man s health.C.She has bought the man an up-to-date map.D.She s bought the man a pair

6、of glasses today.A.He doesnt care much about it.B.He doesn t mind even though it s tedious.C.He enjoys it very much.D.He hates working overtime.A.The concert was bad.B.The concert was excellent.C.He didnt go to the concert.D.He d like to enjoy it again.A.The man enjoys reading Lu Xun.B.Lu Xuns works

7、 are difficult to understand.C.Lu Xun is a famous revolutionary writer.D.Lu Xun is the mans favorite writer.A.She thinks his idea is new.B.She can t think of a better idea than his.C.She thinks that she has a better idea.D.She doesn t think his idea is good enough.A.Go and see a doctor.B.Stop smokin

8、g.C.Smoke less.D.Take some medicine.A.She feels sorry, for those students.B.She thinks it right to punish those students.C.She thinks those students should be expelled from college.D.She thinks the punishment is too severe.A.Elle wont be interested in the party.B.Elle has already been invited.C.Elle

9、 has other plans.D.Elle is the organizer of the party.A.It may rain later in the day.B.It is not a sunny day.C.She doesn t think it s warm enough outside.D.She doesnt want to get sunburned on the hot beach.四、B Questions 16 (总题数：1，分数：21.00)A.Because she does not know what to do about her daughter.B.B

10、ecause her daughter smokes.C.Because her daughter often weeps.D.Because there is something wrong with her daughter s leg.A.He feels the same way as the woman.B.He does not care.C.He feels responsible as a parent.D.He feels sorry for the woman.A.Force.B.Persuasion.C.Discipline.D.United efforts from t

11、he parents.五、B Questions 19 (总题数：1，分数：14.00)A.Mostly for economic reasons.B.Mostly for political reasons.C.Mostly for religious reasons.D.Mostly for military reasons.A.They can help their society understand new ideas and see things in a difficult way.B.They can only make a lot of money.C.They can ta

12、ke care of the youth.D.They can make use of the welfare system in their native land.六、BSection B/B(总题数：1，分数：35.00)B Passage One Questions 21 to 25 are based on the passage you have just heard./B（分数：35.00）A.They are very busy.B.They feel tired and want to go to bed early.C.The speakers house has no e

13、lectricity.D.The speaker doesn t have a television.A.They stare at the walls.B.They collect stamps.C.They attend evening classes.D.They do whatever they are interested in.A.They feel delighted.B.They feel relaxed.C.They feel lost.D.They feel confident.A.They will go out walking.B.They just sleep.C.T

14、hey light candles and carry on with what they were doing before.D.They go out to have a visit of their friends.A.Life without television.B.Life in the city.C.Life in the countryside.D.Life full of love.七、B Passage Two(总题数：1，分数：35.00)A.He edited a magazine.B.He published a newspaper.C.He started a sm

15、all mail-order record business.D.He published a new magazine.A.16.B.17.C.18.D.19.A.He creates original ideas and chooses the right people to work for him.B.He plays tennis and golf.C.He wears a sweater and jeans.D.He is retired.A.To run his company.B.To choose the right people to work for him.C.To c

16、reate new ideas.D.Both B and CA.Yes.B.No.C.Maybe.D.Unknown.八、B Passage Three(总题数：1，分数：35.00)A.Europe.B.America.C.New Jersey.D.Indiana.A.The need for labor helped the invention of machinery in America.B.The farmers rejected Charles Newbold s plow for fear of ruin of their field.C.Both Europa and Amer

17、ica had great need of farm machinery.D.It was in Indiana that the first chilled-plow was produced.A.They preferred light tools.B.They were extremely self-reliant.C.They had many portable tools.D.They had very few tools.A.There was a shortage of workers on American farms.B.The most important of the e

18、arly inventions was the iron plow.C.After 1869, many people devoted their attention to the plow.D.Charles Newbold had made a fortune by his cast-iron plow.A.The agricultural revolution.B.The invention of labor-saving machinery.C.The development of scientific agriculture.D.The farming machinery in Am

19、erica.九、BSection C/B(总题数：1，分数：35.00)Substances which are made up of only one kind of atom are called S36 _ and there are about a hundred of these - the same S37 _as there are kinds of atom. These are the substances from which everything else is made. Aristotle taught that there were four elements -

20、earth, air, fire, and water - but he was very wrong. None of these is an element in any sense of the word and S38 _ There is nothing obvious about the appearance of an element which makes it different from other substances, and this explains why man take so long to discover the building blocks from

21、which his world is made, 0nly patient and S39 _ were able to show that sulfur, copper, and diamond were elements, but air, water, and sand were not. S40 _ but have to be prepared in the laboratory. For example, the two elements of which water is made are the gases oxygen and hydrogen; oxygen occurs

22、in the air, but it is mixed with a large amount of other gases, and hydrogen is not even present in the air.（分数：35.00）(1).S36（分数：7.00）填空项 1:_(2).S37（分数：7.00）填空项 1:_(3).S38（分数：7.00）填空项 1:_(4).S39（分数：7.00）填空项 1:_(5).S40（分数：7.00）填空项 1:_十、BPart Reading (总题数：5，分数：45.00)填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_

23、十一、BSection B/B(总题数：5，分数：44.50)12.This passage is mainly about _.（分数：8.90）A.living mechanisms and their artificial imitationsB.the remarkable sonar system of batsC.the deficiencies of man-made sonarsD.the experiment of “blind-bats“13.Bats find insects in the dark of night with the help of _.（分数：8.90

24、）A.echoesB.eyesightC.sound wavesD.none of the above14.Which of the following statements is TRUE?（分数：8.90）A.Living mechanisms are always more efficient than their artificial imitations.B.Bats rely on their sonar system as well as eyesight to eat insects.C.The sonar system of bats has had 50 million y

25、ears to be refined.D.People have discovered the bats sonar system thousands of years ago.15.Which of the following statements is implied but not stated?（分数：8.90）A.Pebbles tossed into the air make no sound that can be heard by human ears.B.A bat will catch hundreds of moths in a single hour.C.Insect-

26、eating bats are totally blind.D.The sonar system of bats is as good as man-made sonar.16.Lazure Spallanzani demonstrated that a bat can get along well without eyesight through _.（分数：8.90）A.he caught some bats and blinded them and released themB.four of these blind bats found their way backC.he recap

27、tured the four returned batsD.the stomachs of the blind bats found to be filled with flying insects十二、BPassage Two/B(总题数：5，分数：44.50)17.Which of the following environmental problems is the article talking about?（分数：8.90）A.Acid rain.B.Ozone depletion.C.Deforestation.D.The greenhouse effect.18.How much

28、 of American GNP comes from sectors that are affected by climate change ?（分数：8.90）A.3%.B.10%.C.87%.D.13%.19.Climate warming will probably NOT be _.（分数：8.90）A.an advantage to AlaskaB.a disaster for AlaskaC.a help to AlaskaD.a blessing to Alaska20.In industrialized countries, what businesses are scarc

29、ely affected by climate change?（分数：8.90）A.Water systems.B.Energy and property.C.Services.D.Coastal activities.21.Which of the following activities must consider climate as an important factor?（分数：8.90）A.Microelectronics.B.Communications.C.Banking.D.Farming.十三、BPart Error Co(总题数：10，分数：90.00)填空项 1:_填空

30、项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_十四、BPart Translat(总题数：1，分数：7.00)32.It is generally agreed that the written form of a natural language is the written record of the oral form. Naturally the written form should agree with the oral form. In other words, the sound should be s

31、imilar to the form. This is fairly true of English in its earliest stage i.e. Old English. The speech of the time was represented very much more faithfully in writing than it is today. With the development of the language, more and more differences occur between the two. The internal reason for this

32、 is that the English alphabet was adopted from the Romans, which does not have a separate letter to represent each sound in the language so that some letters must do double duty or work together in combination.（分数：7.00）_大学四级-80 答案解析(总分：617.00，做题时间：90 分钟)一、BPart Writing(总题数：1，分数：106.00)1.B Migrant Wo

33、rkers/B 1. 打工者给城市生活带来的巨大变化。 2. 但打工者也给城市生活带来了一些问题。 3. 我们应采取正确的态度来解决这些问题。（分数：106.00）_正确答案：()解析：B Migrant Workers/B Each year, attracted by job opportunities, thousands of migrant workers rush into cities to better their life. While fulfilling their personal desires, these migrant workers also provide

34、urban residents with more conveniences by working in all walks of life. Besides, they meet the emergent needs of workforce in some industries such as construction and help to quicken the steps of city construction through their hard work, therefore contributing a lot to the city s social and economi

35、c development. However, cities are, at the same time, confronted with many problems created by migrant workers. For example, too many migrant workers result in over-crowded space and thus cause housing problem; secondly, they make a mess of citys environment by littering casually; and thirdly, migra

36、nt population may create difficulties in carrying family-planning policy, etc. But we can t expel migrant workers from cities just because of the above problems. We should adopt correct attitudes towards them and take effective measures to solve them. We firmly believe that migrant workers will be o

37、f greater help to city life in future.二、BPart Reading (总题数：5，分数：35.00)2.Which of the following statements is NOT TRUE about the scientists research?（分数：7.00）A.The scientists experimented with VC in test tubes.B.The research didn t involve people.C.VC was tested in the lab only.D.Mark Levine did the

38、experiment involving people. 解析：分析 细节判断题。A、B、c 选项均在原文中提及。D 选项与原文矛盾，因此 D 选项为正确答案，参见第四段。3.What does the author imply when he mentions “living cells“ in Paragraph 3?（分数：7.00）A.The research has involved living creatures.B.The results from the lab test might not always be reliable. C.If it is tested in l

39、iving body, the results will be the same.D.The chemistry of VC is living.解析：分析 细节题。参见原文：But they say the study did not involve peopleThe vitamin C was tested in the laboratory onlyThey think the results might be different in living cells4.Taking a lot of VC _.（分数：7.00）A.is supported by VC expertsB.i

40、s encouraged by the US governmentC.is agreed by medical researchersD.is disapproved by many scientists 解析：分析 细节题。A 选项在第四段中被否定，B、C 选项在第五段中被否定，只有 D 选项符合题意。5.What does this passage mainly discuss?（分数：7.00）A.Taking a large amount of VC will do good to health.B.Taking too much VC pills every day is not g

41、ood for health. C.People should take as much VC as possible.D.It is not necessary at all to take VC pills.解析：分析 综合判断题。参见原文第四段：He also says people should get their vitamin C in food instead of taking huge amounts in pills to stay healthy，and research does not support taking a lot of vitamin C多服 VC 对身

42、体未必有好处，一方面有研究表明 VC 可能产生破坏 DNA 的物质，而且每天身体只能吸收 200 毫克的 VC，多服并不能被吸收。解析：分析 细节判断题。A、D、D 选项在原文中都有提及，而 C 选项未提及。三、BPart Listenin(总题数：2，分数：70.00)B Questions 6 to 15 are based on the conversation you have just heard./B（分数：35.00）A.John came at l0:45. B.John came at l0:50.C.John came at 9:45.D.John came at 11:2

43、0.解析：听力原文 M: John was supposed to come at 9:15 but he s an hour and a half late. W: Really? Q: When did John come? 分析 本题为计算题。男士说 John 应该九点一刻到，但他迟到了一个半小时，所以时间应为 10:45。A.She will help the man catch up. B.She is worried about the man s health.C.She has bought the man an up-to-date map.D.She s bought th

44、e man a pair of glasses today.解析：听力原文 M: I m worried about those classes I missed when I was sick. W: I will try to bring you up today on what we ve done. Q: What does the woman mean? 分析 男士担心因病拉下课程，女士说会帮他补上，bring up 在这里的意思接近 catch up，因此 A 选项为正确答案。A.He doesnt care much about it.B.He doesn t mind even

45、 though it s tedious.C.He enjoys it very much. D.He hates working overtime.解析：听力原文 W: You seem to have a lot of work to do at your office. You are always staying late and working overtime. M: That s true. But it s no bother to me. The work is interesting. I don t mind extra hours at all. Q: How does

46、 the man feel about his job? 分析 女士说男士总是加班，似乎有很多工作要做。男士说没关系，工作很有趣，加班也不在乎。关键是 The work is interesting.A.The concert was bad. B.The concert was excellent.C.He didnt go to the concert.D.He d like to enjoy it again.解析：听力原文 W: Did you enjoy the concert last night? M: I wish I hadn t gone to it. Q: What do

47、es the man mean? 分析 本题为推理题。女士问男士是否喜欢，男士说真希望没去。I wish I hadnt gone to it.用了虚拟语气，与过去事实相反，因此他实际上去了，却很后悔。A.The man enjoys reading Lu Xun.B.Lu Xuns works are difficult to understand. C.Lu Xun is a famous revolutionary writer.D.Lu Xun is the mans favorite writer.解析：听力原文 W: Do you like reading Lu Xun? M: H