大学英语四级听力-73及答案解析.doc

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1、大学英语四级听力-73 及答案解析(总分：252.00，做题时间：90 分钟)一、Section Alilist-sty(总题数：4，分数：105.00)Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions wi

2、ll be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.（分数：35.00）(1). A. The digital TV system will offer different programs. B. He is eager to see what the new system is like. C. H

3、e thinks it unrealistic to have 500 channels. D. The new TV system may not provide anything better.（分数：7.00）A.B.C.D.(2). A. Check their computer files. B. Make some computations. C. Study a computer program. D. Assemble a computer.（分数：7.00）A.B.C.D.(3). A. He turned suddenly and ran into a tree. B. H

4、e was hit by a fallen box from a truck. C. He drove too fast and crashed into a truck. D. He was trying to overtake the truck ahead of him.（分数：7.00）A.B.C.D.(4). A. He was pleased to get the medal. C. He used to be a firefighter. B. He was very courageous. D. He was accused of causing a fire.（分数：7.00

5、）A.B.C.D.(5). A. Make a profitable investment. C. Get parts for the machine from Japan. B. Buy a new washing machine. D. Have the old washing machine fixed.（分数：7.00）A.B.C.D.（分数：21.00）(1). A. Drawing up a business plan. C. Finalizing a contract. B. Discussing a term paper. D. Reviewing a co-authored

6、article.（分数：7.00）A.B.C.D.(2). A. She ordered some paper. C. She chatted online with a friend. B. She had the printer repaired. D. She filled in an application form.（分数：7.00）A.B.C.D.(3). A. It could help people of all ages to avoid cancer. B. It was mainly meant for cancer patients. C. It might appea

7、l more to viewers over 40. D. It was frequently interrupted by commercials.（分数：7.00）A.B.C.D.Questions 9 to 12 are based on the conversation you have just heard. （分数：28.00）(1). A. Good or bad, they are there to stay. B. Like it or not, you have to use them. C. Believe it or not, they have survived. D

8、. Gain or lose, they should be modernized.（分数：7.00）A.B.C.D.(2). A. The frequent train delays. B. The high train ticket fares. C. The food sold on the trains. D. The monopoly of British Railways.（分数：7.00）A.B.C.D.(3). A. The low efficiency of their operation. B. Competition from other modes of transpo

9、rt. C. Constant complaints from passengers. D. The passing of the new transport act.（分数：7.00）A.B.C.D.(4). A. They will be de-nationalized. B. They provide worse service. C. They are fast disappearing. D. They lose a lot of money.（分数：7.00）A.B.C.D.Questions 13 to 15 are based on the conversation you h

10、ave just heard. （分数：21.00）(1). A. Robot. B. jobs. C. Samsung Factory. D. Machines.（分数：7.00）A.B.C.D.(2). A. The level of automation becomes old. B. Companies have learned to do tasks more cheaply using machines. C. The job requires more skills. D. The companies cant afford the salary.（分数：7.00）A.B.C.D

11、.(3). A. The job requires less skill. B. College employees have no experience. C. There are so many college employees. D. The company cant afford the high salary.（分数：7.00）A.B.C.D.二、Section B(总题数：3，分数：70.00)Directions: In this section, you will hear 3 short passages. At the end of each passage, you w

12、ill hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.Passage OneQuestions 16 to 18 are based on the passage you have just heard. （分数：21.00）(1). A. Climate change. B.

13、 Survival of the fittest. C. Increasing human activities. D. The change of global ecosystem.（分数：7.00）A.B.C.D.(2). A. Many animals will easily die in moving to other places. B. Relocation does not suit plants and animals that live in isolation. C. Relocation is too massive a project for animals like

14、butterflies. D. All the above.（分数：7.00）A.B.C.D.(3). A. The relocation model can apply to all animals and plants. B. The checkerspot butterflies can be saved by being moved to suitable new habitats. C. Many plants and animals face a choice of move or die due to the changing ecosystem. D. Proposing th

15、e relocation model results from the climate change that threatens species.（分数：7.00）A.B.C.D.Passage TwoQuestions 19 to 22 are based on the passage you have just heard. （分数：28.00）(1). A. Biopsy is a traditional tool for diagnosing cancer. B. Biopsy can not only detect tumors but trace their growth. C.

16、 Biopsy can accurately locate where a tumor is in human body. D. Biopsy has the problem of lacking timely discovery of tumor speading.（分数：7.00）A.B.C.D.(2). A. It can also be designed to measure PH or oxygen levels. B. It can provide the latest information of the tumors in human body. C. It can be th

17、e best solution possible to the treatment of cancer. D. It enables doctors to determine whether cancer drugs are reaching the tumors.（分数：7.00）A.B.C.D.(3). A. They can not timely discover the spreading of tumors. B. They can not remove a tissue sample from the human body. C. They can not work out eff

18、ective methods to cancer treatment. D. They can not diagnose what kind of cancer the patient suffers from.（分数：7.00）A.B.C.D.(4). A. The invention of implantable device can completely cure cancer. B. Biopsy also shares many advantages as implantable devices do. C. Implantable device is used by removin

19、g a tissue sample from patients. D. Implantable device is better than biopsy in its monitoring function of tumors.（分数：7.00）A.B.C.D.Passage ThreeQuestions 23 to 25 are based on the passage yon have just heard. （分数：21.00）(1). A. Because the use of synthetic fertilizers is less environmental-friendly.

20、B. Because synthetic fertilizers are more detrimental than common fertilizers. C. Because synthetic fertilizers gradually lose the function of increasing food production. D. Because the use of synthetic fertilizers are too costly compared with human healthcare fees.（分数：7.00）A.B.C.D.(2). A. The use o

21、f synthetic fertilizers is globally unbalanced. B. Synthetic fertilizers can be used as a “one-size-fits-all“ approach. C. Synthetic fertilizers have more nitrogen and other nutrients than common fertilizers. D. Synthetic fertilizers are more environmental-friendly than common fertilizers.（分数：7.00）A

22、.B.C.D.(3). A. The harms of using synthetic fertilizers. B. The comparison between synthetic fertilizers and common fertilizers. C. The emergent need to reduce and balance the use of synthetic fertilizers globally. D. How the use of synthetic fertilizers affect the ecosystems and agricultural system

23、s.（分数：7.00）A.B.C.D.三、Section C(总题数：1，分数：77.00)Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered

24、 from 26 to 33 with the exact words you have just heard. For blanks numbered from 34 to 36 you are required to fill in the missing information. For these blanks, you can either use the exact words you have just heard or write down the main points in your own words. Finally, when the passage is read

25、for the third time, you should check what you have written.Scientists at Cambridge University have used medical scanners toU U 1 /U /Ubrain features that identify someone as being aU U 2 /U /U“people person“ or a wallflower. The scans revealed that people who most value the company of others have, o

26、n average, more U U 3 /U /Ugrey matter in two areas of the brain.These brain regions areU U 4 /U /Uin what scientists call “reward circuits“ for some of our most basic pleasures, such as sweet food and sex.Graham Murray, aU U 5 /U /Uwho led the study, said the findings may provide U U 6 /U /Uto how

27、humans came to be sociable beings.The brain may first haveU U 7 /U /Uto give us pleasurableU U 8 /U /Ufrom eating and reproducing, and laterU U 9 /U /U, he said.By unravelling the neural basis of sociability, scientists hope to learn more about medical conditions such as autism,U U 10 /U /UThe techn

28、ology may not find its way into companys recruitment processes any time soon, Murray added. “Doing a brain scan might be going a bit far.U U 11 /U /U （分数：77.00）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:_填空项 1:_填空项 1:_填空项 1:_大学英语四级听力-73 答案解析(总分：252.00，做题时间：90 分钟)一、Section Alilist-sty(总题数

29、：4，分数：105.00)Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a paus

30、e. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.（分数：35.00）(1). A. The digital TV system will offer different programs. B. He is eager to see what the new system is like. C. He thinks it unrealistic to have 500 channels. D. The new TV syst

31、em may not provide anything better.（分数：7.00）A.B.C.D. 解析：解析 W: Have you heard about a new digital television system?It lets people get about 500 channels M: Yeah，but I doubt theyll have anything different from what we watch now Q: What does the man mean? 女士问：“你听说过一种新的数码电视系统吗?它可以让人们收到大约 500个频道。”男士说：“听

32、说过，但我怀疑他们与我们现在看的有什么不同。”问，男士是什么意思?由对话可知，男士认为这种新的电视系统并不见得比现在的电视好，因此正确答案是 D。(2). A. Check their computer files. B. Make some computations. C. Study a computer program. D. Assemble a computer.（分数：7.00）A.B.C.D. 解析：解析 W: Have you ever put a computer together before? M: No，neverBut I think if we follow the

33、se instructions exactly，we wont have much trouble Q: What are the speakers going to do? 女士问：“你有过组装电脑的经历吗?”男士说：“没有，从来没有。但我想，如果严格按照说明书来做，不会有问题的。”问，他们在干什么?本文中主要是考 assemble的意思，如果知道assemble 意为“组装，装配”，便不难得出答案。“put a computer together”指“组装电脑”。因此正确答案是 D。(3). A. He turned suddenly and ran into a tree. B. He

34、was hit by a fallen box from a truck. C. He drove too fast and crashed into a truck. D. He was trying to overtake the truck ahead of him.（分数：7.00）A. B.C.D.解析：解析 M: The taxi driver must have been speeding W: WelI,not really!He crashed into the tree because he was trying not to hit a box that had fall

35、en off the truck ahead of him Q: What do we learn about the taxi driver? 男士说：“出租司机一定超速了。”女士回答：“不是那样的，司机想避开前面卡车上掉下的盒子，结果撞到树上了。”故正确答案为 A。(4). A. He was pleased to get the medal. C. He used to be a firefighter. B. He was very courageous. D. He was accused of causing a fire.（分数：7.00）A.B. C.D.解析：解析 W: To

36、ny was awarded a medal for rescuing several families from the forest fire. M: I really admire his courage. Q: What do we learn about Tony from the conversation? 男士说：“托尼因在森林大火中拯救百姓被授予金奖。”女士说：“我真佩服他的勇气。”故 正确答案为 B。(5). A. Make a profitable investment. C. Get parts for the machine from Japan. B. Buy a n

37、ew washing machine. D. Have the old washing machine fixed.（分数：7.00）A.B. C.D.解析：解析 M: My washing machine is more than fifteen years old and it has worked just fine until last night. W: Youll never be able to get parts for it, even from Japan. So it might be time to invest a more recent model. Q: What

38、 does the woman suggest the man do? 男士说：“我的洗衣机已经 15年多了，昨晚它出毛病了。”女士说：“就算在日本你也不能买到适合它的零件，你可能要买一台新的了。”故正确答案为 B。（分数：21.00）(1). A. Drawing up a business plan. C. Finalizing a contract. B. Discussing a term paper. D. Reviewing a co-authored article.（分数：7.00）A.B.C. D.解析：解析 M: Now if you have any questions

39、about the contract, Ill be happy to answer them. W: Nothing comes to mind right now, but Id like to go over all the articles of the contract once more before signing it. Q: What are the speakers doing right now? 男士说：“关于这个协议，你如果有问题的话，我乐意回答。”女士说：“暂时没有，不过在签字之前我想再看一遍合同的所有条款。”故选 C。(2). A. She ordered som

40、e paper. C. She chatted online with a friend. B. She had the printer repaired. D. She filled in an application form.（分数：7.00）A. B.C.D.解析：解析 M: We are out of paper for the printer. Can you please order some? W: I completed the order from online yesterday and it will be here by noon. Ill let you know

41、when it comes in. Q: What did the woman do? 男士说：“我们没有打印纸了，你能订购一些吗?”女士说：“我已经在网上订了，中午就会到。我想纸送到时再告诉你。”故正确答案为 A。(3). A. It could help people of all ages to avoid cancer. B. It was mainly meant for cancer patients. C. It might appeal more to viewers over 40. D. It was frequently interrupted by commercial

42、s.（分数：7.00）A.B.C. D.解析：解析 W: Did you watch the 7 oclock program on channel 2 yesterday evening? I was about to watch it when someone came to see me. M: Yeah! It reported some major breakthrough in cancer research. People over 40 would find a program worth watching. Q: What do we learn from the conve

43、rsation about the TV program? 女士问：“昨晚 7点你有没有看 2频道的节目啊?我正打算看的时候，有人来看望我。”男士回答说：“看了，报道了一些关于肿瘤研究的突出成绩，40 岁以上的人将发现这是一个值得看的节目。” 故正确答案为 C。Questions 9 to 12 are based on the conversation you have just heard. （分数：28.00）(1). A. Good or bad, they are there to stay. B. Like it or not, you have to use them. C. B

44、elieve it or not, they have survived. D. Gain or lose, they should be modernized.（分数：7.00）A.B. C.D.解析：解析 9-12 W: There is an element there about competition then, isnt there? Because British railways are a nationalized industry. Theres only one railway system in the country. If you dont like a parti

45、cular kind of big beans, you can go and buy another. But if you dont like a particular railway, you cant go and use another. M: Some people who write to me say this. They say that if you didnt have monopoly, you wouldnt be able to do the things you do. Well, I dont think we do anything deliberately

46、to upset our customers. We have particular problems. Since 1946, when the Transport Act came in, we were nationalized. W: Do you think thats a good thing? Has it been a good thing for the railways, do you think, to be nationalized? M: Oh I think so, yes. Because in general, modes of transport are al

47、l around. Lets face the fact. The car arrived. The car is here to stay. There is no question about that. W: So what are you saying then? Is it if the railways happen being nationalized, they would simply have disappeared? M: Oh, I think they would have. Theyre disappearing fast in America. Er, the French railways lose 1 billion pounds a year. The German railways, 2 billion pounds a year. But you see, those governments are preparing to pour money into the transport system to keep it going. W: So in a sense, you cope between two extremes