1、专业英语四级（听力）模拟试卷 83及答案与解析 一、 PART I DICTATION (15 MIN) Directions: Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the pass
2、age will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minute 1 Life Span SECTION A CONVERSATIONS Directions: In this section you will hear
3、 several conversations. Listen to the conversations carefully and then answer the questions that follow. 2 Why does the woman tell the man the story? （ A） To inform him about a class he missed. （ B） Because he is eating fish sticks. （ C） Because she tutors him. （ D） To encourage him to eat a healthi
4、er lunch. 3 Why is it important to quick freeze fresh food? （ A） The cells of plants and animals are damaged by slow freezing. （ B） It saves time in the food production process. （ C） It reduces the amount of energy required to freeze the food. （ D） The food defrosts more quickly. 4 What was Clarence
5、 Birdseye surprised to learn? （ A） A fish being frozen could survive. （ B） The fish were easier to catch in the winter. （ C） Food can be kept frozen indefinitely. （ D） Solutions that freeze slowly form large crystals. 5 What happened after the man built his first computer? （ A） He turned to become a
6、n enthusiastic reader. （ B） He went on to build a machine for his Junior High School. （ C） He became obsessed with computer engineering. （ D） He was brushed by a hook. 6 What does the man see the future of computers? （ A） We will always have traditional PCs. （ B） We will see PowerMacs getting popula
7、r with people. （ C） Computers will be more friendly. （ D） There will be an era of distributed devices. 7 What does the man say about the criticism of technology? （ A） We should ignore the criticism. （ B） We need to consider what technology may bring to us. （ C） He feels bad about the criticism. （ D）
8、 He thinks the criticism is far-fetched. 8 What are speakers mainly discussing? （ A） The effect of the atmosphere on rainfall. （ B） How conditions on Earth support life. （ C） How water originated on Earth. （ D） A new estimate of the age of Earth. 9 What did recent photographs from a space satellite
9、indicate? （ A） The surface of the ocean is expanding. （ B） Volcanic activity is increasing. （ C） The surface of Earth contains tons of cosmic dust. （ D） Thousands of comets are colliding with Earths atmosphere. 10 According to the new theory, where did ocean water come? （ A） From disintegrating come
10、ts. （ B） From gases in the atmosphere. （ C） From underground water that rose to the surface. （ D） From water vapor. 11 Which group disagree with the new theory described in the conversation? （ A） Biologists. （ B） Geologists. （ C） Oceanographers. （ D） Astronomers. SECTION B PASSAGES Directions: In th
11、is section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 12 The speaker tells the students that they are not likely to succeed if they_. （ A） are too selfish （ B） do everything as others do （ C） are not greedy enough （ D） dont get a righ
12、t degree 13 In the speakers opinion, learning does NOT include_. （ A） participating in new assignments （ B） developing new skills （ C） renewing skills （ D） going to the right school 14 The illiterate of the future refers to those people who cant_. （ A） renew their knowledge （ B） forget the old knowl
13、edge （ C） know what they are doing （ D） read or write 15 According to the passage, what were the beliefs of the Greek philosophers based upon? （ A） How the natural world was described in Greek mythology. （ B） What they observed directly. （ C） The writings of philosophers from other societies. （ D） M
14、easurements made with scientific instruments. 16 What does the speaker say about ancient Greeks who traveled south? （ A） They noticed an apparent change in the position of the North Star. （ B） They observed eclipses at different times of the year. （ C） They were the first to estimate the distance be
15、tween heavenly bodies. （ D） They wanted to prove that the Earth was flat. 17 What does the speaker say the term stadium refers to? （ A） A place for making astronomical observations. （ B） An instrument used for observing stars. （ C） A unit of measurement. （ D） The North Star. 18 When was the first ac
16、tual radio broadcast made? （ A） On Christmas Eve of 1906. （ B） On Christmas Eve of 1960. （ C） On Christmas Eve of 1895. （ D） On Christmas Eve of 1859. 19 Where did De Forest begin regular radio broadcasts? （ A） In Massachusetts. （ B） On ships. （ C） In New York. （ D） On ships in New York harbor. 20 A
17、ccording to the passage, who owned receivers in the early days of radio? （ A） Military communications officers. （ B） People who treated radio technology as a hobby. （ C） People who lived in big cities. （ D） People with an interest in music. 21 According to the passage, what did David Sarnoff predict
18、 about radios? （ A） They would get smaller in size. （ B） Their signals would travel further. （ C） They would become less popular than television. （ D） They would be common household items. 22 Where does the Tropical storm make landfall? （ A） In Escambia County. （ B） Along the Gulf Coast. （ C） In pen
19、sacola area. （ D） Along the Mexican Gulf Coast. 23 Who are allowed to return home tonight? （ A） The evacuated residents. （ B） Escambia County spokeswoman Sonya Smith. （ C） People who fight hurricane. （ D） People who fight tropical storm. 24 Until January 1st, Congress and the President have to agree
20、 on the plan to_. （ A） cut the governments spending （ B） decrease the countrys debt （ C） lower taxes for all Americans （ D） reduce the poverty rate 25 What will happen if the Congress doesnt act? （ A） Medicare payment will drop sharply by 10%. （ B） Many cities will be able to pay its debts. （ C） Def
21、ense spending will be decreased. （ D） More families will go hiking. 26 What is the main idea of the news item? （ A） A fire broke out when people were busy scooping up the petrol. （ B） More than 100 people were engulfed by flames. （ C） A fire caused by gas spill put 57 people to death. （ D） As the pe
22、trol started to spill, local people ran up with cans to collect it. 27 According to the officials, the total death is_. （ A） 57 （ B） 60 （ C） 86 （ D） 67 28 What caused the collapse of the Dutch government? （ A） The disagreement over policies on Afghanistan. （ B） The disagreement over policies on NATO
23、. （ C） The disagreement between PM and the queen. （ D） The disagreement between PM and labor party. 29 Who is in charge for now in case of emergency? （ A） The Labour Party. （ B） The Prime Minister. （ C） The queen. （ D） NATO. 30 Whats announced by Harvard President? （ A） A plan to improve females apt
24、itude for science. （ B） A plan to improve conditions for scientists. （ C） A plan to improve the conditions of the university. （ D） A plan to improve conditions for female scientists. 31 How much might the plan cost? （ A） Fifteen million dollars. （ B） Five million dollars. （ C） Fifty million dollars.
25、 （ D） Fifty-five million dollars. 专业英语四级（听力）模拟试卷 83答案与解析 一、 PART I DICTATION (15 MIN) Directions: Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the se
26、cond and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minute 1 【正确答案】 Life Span About a century ago, the
27、average life span for Americans was about 50 years. /Today, the typical American lives for around seventy-eight years. /According to a German aging study, /the maximum life span in industrialized countries has increased by two years every decade /since the mid-19th century. /What accounts for such i
28、ncreased longevity?/Between 1900 and 1950, inventions such as refrigeration and sewage treatment meant that /young people were able to survive longer. /Moreover, medical breakthroughs helped contain diseases /such as some fatal ones that killed many children. /These advances helped increase the aver
29、age life span. /Medical discoveries after World War II tended to benefit older people. /Treatments for heart disease, for example, /have allowed the elderly to live longer on average. /This means that future medical breakthroughs will result in even longer average life span. 【知识模块】 听力 SECTION A CONV
30、ERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 2 【听力原文】 W: I see you are having the fish for lunch. M: Thats right. Fish sticks and tomato soup, my favorites. W: I bet they were frozen. M: Wh
31、at? W: The fish sticks. M: Of course they were frozen. We are hundreds of miles from the ocean. The cafeteria cant afford to fly in fresh fish. W: I just mentioned it because an anecdote Professor Chambers told me in my American social history class this morning. M: He talked about fish sticks? W: N
32、ot exactly. But he did talk about frozen fish. OK, this is back in 1912, right? Its 20 degrees below zero. And this guy Clarence Birdseyes out ice-fishing. M: Where is this, Antarctica? W: No. Massachusetts I think. Anyway he catches a fish and drops it beside him on the ice and it freezes solid. M:
33、 So? W: So, (3)later at home he thaws out the fish in a bucket of water and its alive. Of course Birdseye is amazed. But he eventually figures out that the fish froze so fast that no large ice crystals formed. M: What do you mean? W:(2)Look, usually when a plant or animal cell freezes, large ice cry
34、stals form inside and eventually tear the cell walls. Thats what kills the frozen plant or animal. And also what changes the taste of something thats been frozen. But if you freeze something quickly, only very small ice crystals form. So Birdseye invented the process of quick freezing food. M: And t
35、hat was the beginning of frozen foods? W: Right. 2 【正确答案】 B 【试题解析】 本题考查原因 。根据句 (1)可知，两人的对话从这个男士正在吃的鱼排展开，谈到了女士的美国社会史教授讲述的冷冻食品的来源。因此 B为正确答案。 【知识模块】 听力 3 【正确答案】 A 【试题解析】 本题考查原因。根据句 (2)可知，快速冷冻可以避免慢速冷冻带来的弊端。因此 A为正确答案。 【知识模块】 听力 4 【正确答案】 A 【试题解析】 本题考查事实。根据句 (3)可知，令 Birdseye惊奇的是鱼居然还活着。故 A为正确答案。 【知识模块】 听力 5
36、 【听力原文】 W: What started you in computers? M: I built my first computer when I was in Junior High School. I was an enthusiastic reader, I studied everything I could get my hands on.(4)Then I turned to building my own machine. From that point on, I was hooked. W: Where do you see computers as going in
37、 the future? M:(5)This will be the era of distributed devices, some of which will be in your walls, some of which you will wear, some of which will be in your cars and throughout your house, and maybe one of which will be on your desk. Devices with processors in them will be everywhere, they will be
38、 connected, and they will look less like traditional PCs. W: What kind of computer do you have now? M: My primary machine is a heavily loaded PowerMac, which I use to write all my books and to do video editing. Ive also got a Toshiba notebook which I use for all my work at the company and for email.
39、 W: There are critics who say that technology is dangerous and is moving too fast. Whats your reaction? M:(6 - 1)There is criticism voiced in every generation. One cant stop this kind of progress, so the critics you cite above are cursing the dark. That being said, (6 - 2)its important to always con
40、sider the implications of the technology we create, for they have social impact. 5 【正确答案】 C 【试题解析】 本题考查事实。根据句 (4)可知，这里使用了 hook“钩住 ”一词，因此 C为正确答案。 【知识模块】 听力 6 【正确答案】 D 【试题解析】 本题考查评价。根据句 (5)可知，他认为将来的计算机应该是功能化的设备。因此 D为正确答案。 【知识模块】 听力 7 【正确答案】 B 【试题解析】 本题考查评价。根据句 (61)及 (62)可知，男士认为我们需要考虑科技为我们创造了什么。因此 B为正确
41、答案。 【知识模块】 听力 8 【听力 原文】 M: How did you like yesterdays astronomy class? W: It was interesting. But the point she was trying to make seemed a little far-fetched. M: Oh, that new theory that ocean water came from comets? W: Yeah. Do you remember what it was based on? M: Some recent satellite photos, I
42、 think.(8)Apparently, space satellites recently detected thousands of small comets colliding with earths outer atmosphere, almost 40, 000 per day. W: Ok, so they collided with the atmosphere. So thats what created the water? M: Its not that the collision created water.(9 - 1)Comets contain water. Th
43、ey are made up mostly of cosmic dust and water.(9 - 2)When they collide with the atmosphere, they break up. And the water they contain rains down to earth. Ocean water came from that rain. W: Oh. Well, this morning I asked my geology professor about that. He said that most geologists dont accept it.
44、 M: Why not? W: Their research indicates that most of the water molecules from the comet would have burned up as they fell through the atmosphere. Enough rain couldnt have reached the earth to fill up the ocean. M:(10-1)Well, did the geologists have an alternative theory to explain where ocean water
45、 came from? W:(10 -2)Yeah, he said the more traditional view is that the ocean water came from volcanoes. M: From volcanoes? W: Right. They say volcanic fumes are mostly steam. And they claimed that it was the volcanic steam that created the oceans, not rain from comets. 8 【正确答案】 C 【试题解析】 本题考查内容大意。两
46、人谈论的是昨天的天文学课上学到的对海洋来源的最新研究成果，重点讨论的是地 球上水的来源。因此 C为正确答案。 【知识模块】 听力 9 【正确答案】 D 【试题解析】 本题考查事实。根据句 (8)可知，根据宇宙飞船最近拍摄的照片可以看出，每天大约有四万个小彗星与地球的外气层相碰撞。因此 D为正确答案。 【知识模块】 听力 10 【正确答案】 A 【试题解析】 本题考查事实。根据 (91)及 (92)可知，最新的研究理论认为，当彗星与地球外气层相碰撞时，彗星中包含的水分会落到地球上来。因此 A为正确答案。 【知识模块】 听力 11 【正确答案】 B 【试题解析】 本题考查事实。根据 (101)和
47、(10一 2)可知，女士的地理学教授说大部分地理学家不赞成这一说法。因此 B为正确答案。 【知识模块】 听力 SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 12 【听力原文】 As you know, there are too many students today who are trying to crack the puzz
48、le of career success, do all the right things, like going to the right school, studying the right things and getting the right grades. To some extent, every student in this room is doing that. I want you to promise yourself that, after tonight, youll spend a little more time being selfish.(11)Becaus
49、e if there isnt some “me“ time in the equation you wont be successful. The other thing you have to do to succeed in meeting your career goals is to be prepared for a lifetime of learning. You could not think that your education is finished once you get your degree(or degrees), even if your degree is from a good school like the University of Minnesota. (12)This learning can involve formal training: participation in teams or task forces or new assignments. Companies today cannot be competitive in the global marketplace, unless
