大学英语四级听力-79及答案解析.doc

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1、大学英语四级听力-79 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 situation will improve if changes are made. B. Itll soon be too late to control the pollution. C. Societ

3、y will not pay attention to the new laws. D. The air will be cleaner if they go to a different city.（分数：7.00）A.B.C.D.(2). A. April 22. B. May 22. C. July 22. D. Oct 22.（分数：7.00）A.B.C.D.(3). A. The woman didnt expect it to be so warm at noon. B. The woman is sensitive to weather changes. C. The weath

4、er forecast was unreliable. D. The weather turned cold all of a sudden.（分数：7.00）A.B.C.D.(4). A. Taking photographs. B. Enhancing images. C. Mending cameras. D. Painting pictures.（分数：7.00）A.B.C.D.(5). A. She must have paid a lot. B. She is known to have a terrific figure. C. Her gym exercise has yiel

5、ded good results. D. Her effort to keep fit is really praiseworthy.（分数：7.00）A.B.C.D.（分数：21.00）(1). A. Where the botanical garden is. B. How the picture will turn out. C. What the man thinks of the shoes. D. Why the pictures are not ready.（分数：7.00）A.B.C.D.(2). A. There is no replacement for the handl

6、e. B. There is no match for the suitcase. C. The suitcase can be fixed in time. D. The suitcase is not worth fixing.（分数：7.00）A.B.C.D.(3). A. He has a fairly large collection of quality trucks. B. He needs a vehicle to be used in harsh weather. C. He has had his truck adapted for cold temperatures. D

7、. He does truck for the woman.（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. The breaking off of part of the Larsen Ice Shelf. B. The formation of the Larsen Ice Shelf. C. An experiment in Antarctica. D. An expedition in Antarctica.（分数：7.00）A.

8、B.C.D.(2). A. They refute current scientific theories. B. They have destroyed research facilities. C. They are disturbing Antarctic bird habitats. D. They could be a sign of global warming.（分数：7.00）A.B.C.D.(3). A. The past several winters have been unusually severe. B. No melting has been observed.

9、C. The ice shelf had remained intact for centuries despite the weather. D. Nothing unusual has happened in other parts of Antarctica.（分数：7.00）A.B.C.D.(4). A. Warmer water temperatures. B. A rise in ocean level. C. Colder winds. D. Less aquatic life.（分数：7.00）A.B.C.D.Questions 13 to 15 are based on th

10、e conversation you have just heard. （分数：21.00）(1). A. She worked at the wild life zoo. B. She worked at the wild crane zoo. C. She worked at the wild life research center. D. She worked at the puppet store.（分数：7.00）A.B.C.D.(2). A. The center offers jobs to students of genetic major. B. The center pr

11、otects wild animals from being hunted by human beings. C. The center brings up endangered species and tries to prepare them for life in the wild. D. The center does research on wildlife with scientific objectives.（分数：7.00）A.B.C.D.(3). A. To give vivid lessons to baby cranes as to how to eat and drin

12、k. B. To protects the stuff members from being attacked by the cranes. C. To give the baby cranes a better chance of successful transition to the wild. D. To warm the stuff members in the relatively cold rooms where cranes live.（分数：7.00）A.B.C.D.二、Section B(总题数：3，分数：70.00)Directions: In this section,

13、 you will hear 3 short passages. 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

14、 passage you have just heard. （分数：28.00）(1). A. The eruption of Mount Saint Helens and its effects on the environment. B. The elimination of volcanic ash by natural means. C. The menace of currently dormant volcanoes around Mount Saint Helens. D. The conversion of volcanic waste to fertilizer.（分数：7.

15、00）A.B.C.D.(2). A. The soil was permanently damaged. B. The crops were obliterated for the entire year. C. The crops nutritional value was considerably lessened. D. The loss was not as bad as had been anticipated.（分数：7.00）A.B.C.D.(3). A. It served as a fertilizer for crops. B. It stabilized air temp

16、eratures. C. It destroyed various insect pests. D. It formed a new mountain.（分数：7.00）A.B.C.D.(4). A. It dries up the skin. B. It affects the sense of hearing. C. It has relatively little harmful effect. D. Its lethal upon contact.（分数：7.00）A.B.C.D.Passage TwoQuestions 20 to 22 are based on the passag

17、e you have just heard. （分数：21.00）(1). A. They will work alone. B. They will work in pairs. C. They will work in one 10-person teams. D. They will work in two 10-person teams.（分数：7.00）A.B.C.D.(2). A. They will throw them away. B. They will paint them. C. They will have them recycled. D. They will lea

18、ve them in the lake.（分数：7.00）A.B.C.D.(3). A. They will put it around the lake. B. They will put it in the club office. C. They will put it at a local business. D. They will put it around the college.（分数：7.00）A.B.C.D.Passage ThreeQuestions 23 to 25 are bused on the passage you have just heard. （分数：21

19、.00）(1). A. To discuss whether or not recycling should be mandatory. B. To explain how to find the recycling facilities. C. To explain why recycling is important. D. To describe the recycling program.（分数：7.00）A.B.C.D.(2). A. Because most people dont like to sort their trash. B. Because all the trash

20、 cans are the same color. C. Because collections are not made on a regular basis. D. Because not enough people volunteer to collect the trash（分数：7.00）A.B.C.D.(3). A. To work in the recycling center B. To pick up and deliver the trash C. To pick up and sort the trash. D. To paint the trash cans.（分数：7

21、.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 from 2

22、6 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 for the t

23、hird time, you should check what you have written.More and more of the worlds population are living in towns or cities The speed at which cities are growing in the less developed countries isU U 1 /U /U.Between 1920 and 1960, big cities in developed countriesU U 2 /U /Utwo and a half times in size,

24、but in other parts of the world the growth was eight times their size.TheU U 3 /U /Usize of growth is bad enough, but there are now veryU U 4 /U /Usigns of trouble in theU U 5 /U /Uof percentages of people living in towns and percentages of people working in industry. During the 19th century, cities

25、 grew as a result of the growth of industry. In Europe, theU U 6 /U /Uof people living in cities was always smaller than that of theU U 7 /U /Uworking in factories.Now, however, theU U 8 /U /Uis almost always true in the newly industrialized world.U U 9 /U /UWithout a base of people working in indus

26、try, these cities cannot pay for their growth; U U 10 /U /U.There has been little opportunity to build water supplies or other facilities.U U 11 /U /U.a growth in the number of hopeless and despairing parents and starving children. （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

27、项 1:_填空项 1:_填空项 1:_大学英语四级听力-79 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 an

28、d 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. The situation will improve if changes are made. B. Itll soon be too late to control the po

29、llution. C. Society will not pay attention to the new laws. D. The air will be cleaner if they go to a different city.（分数：7.00）A. B.C.D.解析：解析 M: Look at all the pollution going into the air from those factories. Do you think theyll ever get that under control? W: With the new laws and social awarene

30、ss, well turn things around. Q: What does the woman predict will happen? 男士说：“看看这些工厂里排放出来的废气啊。你认为他们可以控制住吗?”女士答道：“随着新法律的出台和社会意识的提高，我们能够扭转局面的。”问，女士预测会发生什么情况?根据女士的回答可以看出，她认为如果我们做出一些努力和改变，这种局面是可以改变的。重点注意“turn around”这个词组，是“逆转，转变”的意思，故选 A。(2). A. April 22. B. May 22. C. July 22. D. Oct 22.（分数：7.00）A. B.C

31、.D.解析：解析 W: Hello, Bill. Do you know that Earth Day, celebrated on April 22 each year, marks the anniversary of the birth in 1970 of the modern environmental movement in the United States? M: Of course, today more than 1 billion people participate in Earth Day activities, making it the largest secul

32、ar civic event in the world. Q: When is the Earth Day celebrated? 女士说：“Bill，你知道每年 4 月 22 日的地球日是 1970 年在美国诞生的现代环保活动纪念日吗?”男士回答说：“当然知道，今天有 10 多亿人参加与地球日有关的活动，这使地球日已成为全世界最大的非宗教公民活动了。”故正确答案为 A。(3). A. The woman didnt expect it to be so warm at noon. B. The woman is sensitive to weather changes. C. The wea

33、ther forecast was unreliable. D. The weather turned cold all of a sudden.（分数：7.00）A.B.C.D. 解析：解析 W: You look like you are freezing to death. Why dont you put this on? M: Thank you. It was so warm at noon. I didnt expect the weather to change so quickly. Q: What do we learn from the conversation? 女士说

34、：“你看上去冻坏了，为什么不把这个穿上?”男士说：“谢谢，中午很暖和，我没料到天气变化这么快。”根据对话可知，天气是突然变冷的，之前一直是比较暖和的，故正确答案是 D。(4). A. Taking photographs. B. Enhancing images. C. Mending cameras. D. Painting pictures.（分数：7.00）A. B.C.D.解析：解析 W: Do you let people know when youre taking pictures of them? M: I try not to. You know any picture of

35、 a person who poses for the camera would look dull and unnatural. Q: What are the speakers talking about? 女士说：“你给人们拍照时，会让他们知道吗?”男士说：“尽量不让他们知道，你也知道，一个人为拍照摆出的姿势看起来呆滞、不自然。”问讲话人在谈论什么?由对话可得出他们正在谈论拍照。因此正确答案是 A。(5). A. She must have paid a lot. B. She is known to have a terrific figure. C. Her gym exercise

36、 has yielded good results. D. Her effort to keep fit is really praiseworthy.（分数：7.00）A.B.C. D.解析：解析 W: Ive been working out the gym since January. I was a bit out of shape. M: You look terrific. It seems that your effort has paid off. Q: What does the man imply about the woman? 女士说：“我从一月份一直在健身房锻炼。我之

37、前身材都有些走形了。”男士说：“现在你看起来很棒。看来你的努力没有白费。”问男士暗示女士什么?由对话可得出，她的健身锻炼取得了很好的效果。因此正确答案是 C。（分数：21.00）(1). A. Where the botanical garden is. B. How the picture will turn out. C. What the man thinks of the shoes. D. Why the pictures are not ready.（分数：7.00）A.B. C.D.解析：解析 M: The pictures we took at the botanical ga

38、rden should be ready tomorrow. W: I cant wait to see them. Im wondering if the shots I took are as good as I thought. Q: What is the woman eager to know? 男士说：“我们在园林拍的照片明天应该冲好了。”女士说：“我迫不及待想看到照片，我想知道拍的照是否与想象中的那样好。”由对话可得出，他们正在谈论照片效果。因此正确答案是 B。(2). A. There is no replacement for the handle. B. There is

39、no match for the suitcase. C. The suitcase can be fixed in time. D. The suitcase is not worth fixing.（分数：7.00）A. B.C.D.解析：解析 W: The handle of the suitcase is broken. Can you have it fixed by next Tuesday? M: Let me see, I need to find a handle that matches but that shouldnt take too long. Q: What do

40、es the man mean? 女士说：“箱子的把柄坏了，你能在下个星期二修好吗?”男士说：“让我看看，我需要找到与此匹配的把柄，但希望不会花很多时间。”问讲话人在谈论什么?由对话可得出，他们正在谈论怎样修好箱子的把柄。因此正确答案是 A。(3). A. He has a fairly large collection of quality trucks. B. He needs a vehicle to be used in harsh weather. C. He has had his truck adapted for cold temperatures. D. He does tr

41、uck for the woman.（分数：7.00）A.B. C.D.解析：解析 M: This truck looks like what I need but Im worried about maintenance. For us itll have to operate for long periods of time in very cold temperatures. W: We have several models that are especially adaptive for extreme conditions. Would you like to see them?

42、Q: What do we learn about the man from the conversation? 男士说：“这辆卡车正是我想要的，但我担心车的维护，对我们来说，车将在很冷的条件下工作很长时间。”女士说：“我们有几种车型可以适应极端的条件。你愿意了解一下吗?”问讲话人在 谈论什么?由对话可得出，他们正在谈论卡车，男士需要一辆能在很冷条件工作很长时间的卡车。因此 正确答案是 B。Questions 9 to 12 are bused on the conversation you have just heard. （分数：28.00）(1). A. The breaking off

43、 of part of the Larsen Ice Shelf. B. The formation of the Larsen Ice Shelf. C. An experiment in Antarctica. D. An expedition in Antarctica.（分数：7.00）A. B.C.D.解析：解析 9-12 W: Doctor Jackson, we recently learned that a large piece of the Larsen Ice Shelf in Western Antarctica broke off in early January.

44、Could you please tell us exactly what happened? M: Id be happy to. The piece that broke off was over a thousand square miles in area. More recently and quite alarming to scientists is that the forty-mile crack, some thirty feet wide in places has torn through the ice shelf. W: I understand that the

45、Scientific Community is quite concerned. What is the significance of these events? M: Well, some scientists believe that this is a clear sign of global warming. Back in 1978, some American researchers predicted that Antarctica would show early signs of global warming due to the green house effectyou

46、 know, the process of heat been trapped at the surface of the earth by the atmosphere. W: But couldnt crumbling ice shelves also be a result of the unusual weather Antarctica itself has experienced lately? M: Thats certainly possible. But you have to remember that over the past thousands of years, i

47、ce shelves have been through a lot of weather changes without breaking up. Remember too that although ice shelves float on the ocean, they are attached to the continent and can be as thick as a thousand feet. W: I think most people know that if the ice cap over Antarctica melts, the level of the oceans will rise. What sort of the impact will this have? M: Well, the ice shelves currently insulate the Antarctic continent from wind, which slows down melting. But without ice shelves to cool the wind, it would be warmer than usual as it