大学英语四级听力-81及答案解析.doc

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1、大学英语四级听力-81 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. They both know the baby boomers. B. Americans have many children as their parents did. C. These adults all h

3、ave happy life. D. Population has gone up.（分数：7.00）A.B.C.D.(2). A. Our planet becomes loose and comfortable. B. City planners and architects make an effort to build the future human habitation. C. Boston-based architectural firm has come up with a conceptual plan. D. No one pay attention to the futu

4、re human habitation.（分数：7.00）A.B.C.D.(3). A. On July 21. B. On June 20. C. On July 20. D. On June 21.（分数：7.00）A.B.C.D.(4). A. India. B. Russia. C. Brazil. D. South Africa.（分数：7.00）A.B.C.D.(5). A. Employee benefits most from the training. B. Employer benefits most from the training. C. The company be

5、nefits most from the training. D. Above all.（分数：7.00）A.B.C.D.（分数：21.00）(1). A. The woman will help the man remember the lines. B. The woman will prompt the man during the show. C. The man lacks confidence in playing the part. D. The man hopes to change his role in the play.（分数：7.00）A.B.C.D.(2). A. E

6、xposes armies to digital attack. B. Exposes societies to digital attack. C. Exposes animals to digital attack. D. Both A and B.（分数：7.00）A.B.C.D.(3). A. Cyberspace. B. Land. C. Sea. D. Air.（分数：7.00）A.B.C.D.Questions 9 to 12 are bused on the conversation you have just heard. （分数：28.00）(1). A. Math. B.

7、 English. C. Psychology. D. Geography.（分数：7.00）A.B.C.D.(2). A. Twelve-week series. B. A week series. C. Ten-week series. D. Seven-week series.（分数：7.00）A.B.C.D.(3). A. Every weekend. B. After each part of the series. C. Everyday. D. Every month.（分数：7.00）A.B.C.D.(4). A. Face-to-face communication. B.

8、Meet professor. C. Communication among students. D. Phone contact.（分数：7.00）A.B.C.D.Questions 13 to 15 are bused on the conversation you have just heard. （分数：21.00）(1). A. Last week. B. This week. C. Last month. D. This month.（分数：7.00）A.B.C.D.(2). A. The car may be able to drive and fly. B. The car w

9、ill have a remote controlled parking system. C. The car will have intelligent tires. D. Your car will take over if you become incapacitated.（分数：7.00）A.B.C.D.(3). A. 2012. B. 2018. C. 2010. D. 2030.（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

10、. At the end of each passage, you will 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 19 are bused on the passage you have just heard. （

11、分数：28.00）(1). A. Work means loud and dirty factories. B. Work means all women sit in lines doing the typing work. C. Work means people sit in orderly rows doing orderly work. D. All the above.（分数：7.00）A.B.C.D.(2). A. The focus of the future work will be on finding the essential people. B. The focus

12、of the future work will be on learning how to use the Internet. C. The focus of the future work will be on processing words and numbers. D. The focus of the future work will be on finding placeholders, errand runners or receptionists.（分数：7.00）A.B.C.D.(3). A. Managers. B. Organizers. C. Designers. D.

13、 Receptionists.（分数：7.00）A.B.C.D.(4). A. Future work needs someone to show up at an office. B. Future work needs someone who can be an obedient follower. C. Future work can mostly be done with the help of Internet technology. D. Future work needs someone who is good at processing words or numbers.（分数

14、：7.00）A.B.C.D.Passage TwoQuestions 20 to 22 are based on the passage you have just heard. （分数：21.00）(1). A. A NanoLab is a lab specialized at diagnosing hand-related diseases. B. A NanoLab consists of an electronic circuit board and a tiny well that holds blood drops. C. A NanoLab is a lab stored wi

15、th many small paperback books on how to diagnose diseases. D. A NanoLab is a lab where disease proteins can be detected by doctors and lab equipments.（分数：7.00）A.B.C.D.(2). A. The final step is to detect the viral protein with special sensors. B. The final step is to add magnetic tags to label the vi

16、ral protein. C. The final step is to solve a protein that contains disease antibodies. D. The final step is to add a droplet of blood, saliva or urine into the well.（分数：7.00）A.B.C.D.(3). A. There are three steps involved in using the Nanolab. B. The Nanolab can be carried at any time and in anywhere

17、. C. The use of Nanolab requires special training and professional skills. D. The availability of antibodies to identify viruses is the only limit to the Nanolab.（分数：7.00）A.B.C.D.Passage ThreeQuestions 23 to 25 are based on the passage you have just heard. （分数：21.00）(1). A. Because short people enjo

18、y less happiness than tall people. B. Because short people are usually sneered at by tall people. C. Because short people feel vertically inferior than tall people. D. Because short people are claimed to be more likely to get diseases.（分数：7.00）A.B.C.D.(2). A. Tall people enjoy better job opportuniti

19、es than short people. B. Tall people receive more social privileges than their compatriots. C. Tall people are less susceptible to fatal diseases than short people. D. Tall people tend to have more education, and thus higher income levels.（分数：7.00）A.B.C.D.(3). A. Tall people are generally smarter an

20、d richer than short people. B. Income is the key factor in determining the happiness of tall people. C. Tall people are less happy than short people because they are more stressed out. D. All the above.（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 t

21、hree 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 from 26 to 33 with the exact words you have just heard. For blanks numbered from 34 to 36 you are r

22、equired 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 for the third time, you should check what you have written.The Director of the Future of Life Resear

23、ch CentreDavid Hunter Towforecasts a major surge in the creation ofU U 1 /U /Ulife forms and commercial applications following the announcement of the creation of the firstU U 2 /U /Ulife form; but with an U U 3 /U /Uand irreversible impact on human evolution with the eventual emergence of Meta-life

24、.0The first artificial life form has beenU U 4 /U /Uby human biological life. Humans have crossed the rubicon of creation by bypassing naturalU U 5 /U /Uand by designing the first artificial life form, haveU U 6 /U /Uthe floodgates of lifes evolutionary future Craig Venter and his team were the firs

25、t scientists toU U 7 /U /Uthe human genome and have now created the first artificial life-form; a tiny new bacterium or synthetic cell, controlled by human engineered DNA, with its geneticU U 8 /U /Udetermined by human life. The scientists have made a synthetic copy of the genome of a bacteriumMycop

26、lasma mycoides. This man-made genome was then transplanted into a related bacteriumMycoplasma capricolum. This process “rebooted“ the cellU U 9 /U /U.The cell has since divided more than a billion times. U U 10 /U /U, generating synthetic bacteria capable of cleaning up pollution, producing new form

27、s of green chemicals and fuels on of 15 years of research, costing more than $ 47 million. But the cost is miniscule in comparison with its glittering potential benefits. ItU U 11 /U /U, capturing CO2 in designed algae and providing vaccines against disease. （分数：77.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项

28、 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-81 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 sai

29、d. Both the conversation and the questions will 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. They both know the baby boomers. B. Americans have many childre

30、n as their parents did. C. These adults all have happy life. D. Population has gone up.（分数：7.00）A. B.C.D.解析：解析 M: Do you know that population growth has slowed down in the United States since the baby boomers became adults?Theyre simply not having as many children as their parents did W: Yes，I have

31、known much about itNow these adults generally enjoy happy life Q: What can be inferred from the speakers? 问，从对话中可以推断出什么?男士说：“自从战后人口剧增期间出生的人长大成人以 后，美国的人口增长率已经开始下降。因为他们不像他们的父母那样生很多孩子。”女士回答说：“确实是这样的，现在这些成年人过着幸福的生活。”因此正确答案是A。(2). A. Our planet becomes loose and comfortable. B. City planners and architec

32、ts make an effort to build the future human habitation. C. Boston-based architectural firm has come up with a conceptual plan. D. No one pay attention to the future human habitation.（分数：7.00）A.B.C. D.解析：解析 W: As our planet becomes more crowded,city planners and architects are trying to come up with

33、new ideas for future human habitationDo you think so? M: Yes，weve seen biospheres and proposals for underground housing,but now one Boston-based architectural firm has come up with a conceptual plan that envisages cities that float Q: What can be inferred from the speakers? 问，从对话中可以推断出什么?女士说：“我们的地球变

34、得越来拥挤，所以城市规划师和 建筑师正尝试就未来人类居住地提出一些新的想法，你认为是这样的吗?”男士回答：“的确是这样的，我们现在已经看到，波士顿一名建筑师正在构想未来居住计划，旨在让城市漂浮起来。”因此正确答案是 C。(3). A. On July 21. B. On June 20. C. On July 20. D. On June 21.（分数：7.00）A.B.C.D. 解析：解析 W: Do you know when the Zhongxing-ten satellite was launched into space? M: Of course,it iS fantastic

35、news.It iS on the June 21 Q: When the Zhongxing-ten satellite was launched? 问，“中星 10号”何时发射到太空?女士问：“你知道中星 10号是何时发射的吗?”男士回答说，当然，这是不可思议的消息，它是 6月 21日发射的。”因此正确答案为 D。(4). A. India. B. Russia. C. Brazil. D. South Africa.（分数：7.00）A.B.C.D. 解析：解析 M: According to the Energy Outlook 2030 report by the BP last w

36、eek, global energy consumption will grow by 40% by 2030. 93% of that growth will come from non-OECD economies. W: Well, especial China, India, Russia and Brazil. Q: Which does not inferred in conversation? 问，从对话中不能推断出什么?男士说：“根据上周英国石油公司 2030年能源展望的报告可知，世界能源消费到 2030年将会增加 40%。其中 93%，的能源增长来自非经济合作与发展经济体。”

37、女士接着讲：“尤其是中国、印度、俄罗斯和巴西。”因此正确答案为 D。(5). A. Employee benefits most from the training. B. Employer benefits most from the training. C. The company benefits most from the training. D. Above all.（分数：7.00）A.B.C.D. 解析：解析 W: Do you think who benefit most from the company training? M: It is hard to say. The

38、more you accept the training, the more likely you refuse the job. Q: What can be inferred from the conversation? 问，从对话中能推断出什么?女士说：“在公司培训中，你认为谁会获益最大?”男士回 答：“这个问题难确定，你接受的培训越多，你拒绝这份工作的可能性越大。”因此正确答案是 D。（分数：21.00）(1). A. The woman will help the man remember the lines. B. The woman will prompt the man dur

39、ing the show. C. The man lacks confidence in playing the part. D. The man hopes to change his role in the play.（分数：7.00）A.B.C. D.解析：解析 M: Professor Right, you may have to find another student to play this role. The lines are so long and I simply cant remember them all. W: Look, Tony. Its still a lon

40、g time before the first show. I dont expect you to know all the lines yet. Just keep practising. Q: What do we learn from the conversation? 问，从对话中能推断出什么?男士认为自己没办法记住所有台词，所以请求赖特教授换人。女士鼓励男士继续练习，时间还早。故正确答案为 C。(2). A. Exposes armies to digital attack. B. Exposes societies to digital attack. C. Exposes an

41、imals to digital attack. D. Both A and B.（分数：7.00）A.B.C.D. 解析：解析 M: Computers and the internet have transformed economies and given Western armies great advantages, such as the ability to send remotely piloted aircraft across the world to gather intelligence and attack targets. W: But the spread of

42、digital technology comes at a cost: It exposes armies and societies to digital attack. Q: What is cost from the spread of digital technology? 问，数字科技的成本是什么?男士说：“计算机和互联网改变了各国经济，使西方国家的军队获得了巨大优势，例如，他们能够向世界各地发射遥控飞行器，以搜集情报、攻击目标。”女士回答： “但是数字技术的传播是需要付出代价的它使军队和社会暴露在数字攻击的炮火下。”因此正确 答案为 D。(3). A. Cyberspace. B.

43、 Land. C. Sea. D. Air.（分数：7.00）A. B.C.D.解析：M: As with nucleaand conventionalarms control, big countries should start talking about how to reduce the threat from cyber war, the aim being to restrict attacks before it is too late. W: Well, that is to say, cyberspace has become the fifth domain of warf

44、are, after land, sea, air and space. Q: Which does not belong to other four domain of warfare? 问，哪一个不属于其他四个主战场?男士说：“如同核军备和常规军备控制，大国应该开始就如何减少网络战争的威胁进行讨论，以及时扼制攻击，避免悲剧的发生。”女士接着说：“网络已经成为陆地、海洋、天空和太空之外的第五战场。”因此正确答案为 A。Questions 9 to 12 are bused on the conversation you have just heard. （分数：28.00）(1). A. M

45、ath. B. English. C. Psychology. D. Geography.（分数：7.00）A.B.C. D.解析：解析 9-12 W: Hi, Tom. I saw you at registration yesterday. I sailed right through, but you were standing in a long line. M： Yeah. I waited an hour to sign up for a distance-learning course. W: Distance learning? Never heard of it. M: We

46、ll, its new this semester. Its only open to psychology majors. But I bet itll catch on else where. Yesterday, over a hundred students signed up. W: Well, what is it? M: Its an experimental course. I registered for child psychology. All I have got to do is watch a twelve- week series of televised les

47、sons. The department shows them seven different times a day and in seven different locations. W: Dont you ever have to meet with professor? M: Yeah. After each part of the series I have to talk to her and the other students on the phone, you know, about our ideas. Then well meet on campus three times for reviews and exams. W: It sounds pretty non-traditional to me. But I guess it makes sense, considering how many students have jobs. It must really help with their schedules, not to mention how it will cut down on traffic. M: You know,