1、专业英语四级听力-4及答案解析 (总分：45.00，做题时间：90分钟)一、BPart DICTATIO(总题数：1，分数：15.00)1.IListen 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, th
2、e 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 minutes to check through your work once more. Please write the whole passage o
3、n ANSWER SHEET ONE./I（分数：15.00）_二、BPart LISTENIN(总题数：3，分数：10.00)BSECTION A CONVERSATIONS/BI In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow./II Questions 1 to 3 are based on the following conversation. At the end of
4、 the conversation, you will be given 15 seconds to answer the questions.Now listen to the conversation./I（分数：3.00）(1).Why does the woman tell the man the story?（分数：1.00）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 hea
5、lthier lunch.(2).Why is it important to quick freeze fresh food?（分数：1.00）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.(3).What was Clarence
6、Birdseye surprised to learn?（分数：1.00）A.A fish could survive being frozen.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.I Questions 4 to 6 are based on the following conversation. At the end of the conversation,
7、 you will be given 15 seconds to answer the questions.Now listen to the conversation./I（分数：3.00）(1).What happened after the man built his first computer?（分数：1.00）A.He turned to become an enthusiastic reader.B.He went on to build a machine for his Junior High School.C.He became obsessed with computer
8、 engineering.D.He was brushed by a hook.(2).What does the man see the future of computers?（分数：1.00）A.We will always have traditional PCs.B.We will see PowerMacs getting popular with people.C.Computers will be more friendly.D.There will be an era of distributed devices.(3).What does the man say about
9、 the criticism of technology?（分数：1.00）A.Ignore the criticism.B.We need to consider what technology may bring us.C.He feels bad about the criticism.D.He thinks the criticism is far-fetched.I Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 2
10、0 seconds to answer the questions.Now listen to the conversation./I（分数：4.00）(1).What are speakers mainly discussing?（分数：1.00）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.(2).What did recent phot
11、ographs from a space satellite indicate?（分数：1.00）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.(3).According to the new theory, where did ocean water come from?（
12、分数：1.00）A.Disintegrating comets.B.Gases in the atmosphere.C.Underground water that rose to the surface.D.Water vapor.(4).What group disagrees with the new theory described in the conversation?（分数：1.00）A.Biologists.B.Geologists.C.Oceanographers.D.Astronomers.三、BSECTION B PASSA(总题数：8，分数：20.00)I Questi
13、ons 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.Now listen to the passage./I（分数：3.00）(1).The speaker tells the students that they are not likely to succeed if they（分数：1.00）A.are too selfish.B.do everything as others do.
14、C.are not greedy enough.D.dont get a right degree.(2).In the speakers opinion, learning includes（分数：1.00）A.participation in new assignments.B.formal training.C.renew skills.D.all of the above.(3).The illiterate of the future refers to those people who cant（分数：1.00）A.renew their knowledge.B.forget th
15、e old knowledge.C.know what they are doing.D.read or write.I Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.Now listen to the passage./I（分数：4.00）(1).When was the first actual radio broadcast made?（分数：1.00）A.On Ch
16、ristmas Eve of 1906.B.On Christmas Eve of 1960.C.On Christmas Eve of 1895.D.On Christmas Eve of 1859.(2).Where dill De Forest begin regular radio broadcasts?（分数：1.00）A.In Massachusetts.B.On ships.C.In New York.D.On ships in New York harbor.(3).According to the talk, who owned receivers in the early
17、days of radio?（分数：1.00）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.(4).According to tile talk, what did David Sarnoff predict about radios?（分数：1.00）A.They would get smaller in size.B.Their sig
18、nals would travel further.C.They would become less popular than television.D.They would be common household items.I Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.Now listen to the passage./I（分数：3.00）(1).Accordin
19、g to the speaker, what were the beliefs of the Greek philosophers based upon?（分数：1.00）A.How the natural world was described in Greek mythology.B.What they observed directly.C.The writings of philosophers from other societies.D.Measurements made with scientific instruments.(2).What does the speaker s
20、ay about ancient Greeks who traveled south?（分数：1.00）A.They noticed an apparent change in the position of the North Star.B.They observed eclipses at different rimes of the year.C.They were the first to estimate the distance between heavenly bodies.D.They wanted to prove that the Earth was flat.(3).Wh
21、at does the speaker say the term stadium refers to?（分数：1.00）A.A place for making astronomical observations.B.An instrument used for observing stars.C.A unit of measurement.D.The North Star.BSECTION C NEWS BROADCAST/BI Questions 21 and 22 are based on the following news. At the end of the news item,
22、you will be given 10 seconds to answer the questions.Now listen to the news./I（分数：2.00）(1).Where the Tropical storm makes landfall?（分数：1.00）A.Escambia County.B.Along the Gulf Coast.C.Pensacola area.D.Along the Mexican Gulf Coast.(2).Who are being allowed to return home tonight?（分数：1.00）A.The evacuat
23、ed residents.B.Escambia County spokeswoman Sonya Smith.C.People who fight hurricane.D.People who fight tropical storm.I Questions 23 and 24 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.Now listen to the news./I（分数：2.00）(1).How wer
24、e the live US military officials killed?（分数：1.00）A.They were killed with bullets to the head.B.They were hit by a roadside bomb.C.They were found decapitated.D.They were kidnapped and then be killed.(2).Who are tile dead Iraqi men?（分数：1.00）A.They are Iraqi civilian.B.They are Iraqi soldiers.C.They a
25、re Iraqi terrorists.D.Their identities are net very clear.I Questions 25 and 26 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.Now listen to the news./I（分数：2.00）(1).What is tile main idea of tile news?（分数：1.00）A.A fire broke out whe
26、n people were busy scooping up the petrol.B.More than 100 people were engulfed by flames.C.A lire caused by gas spill pat 57 people to death.D.As the petrol started to spill, local people ran up with cans to collect it.(2).According to the officials, the total death is（分数：1.00）A.57.B.60.C.86.D.67.I
27、Questions 27 and 28 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.Now listen to the news./I（分数：2.00）(1).According to the Sun, where did they get tile pictures of Saddam Hussein in jail in his underwear?（分数：1.00）A.From US military.B
28、.From Saddam Husseins family member.C.From Saddam Hussein.D.From US government.(2).According to the news, whats the US military doing now?（分数：1.00）A.They are inquisiting Saddam Hussein.B.They are taking photos on Saddam Hussein.C.They are releasing some Saddam Husseins photos.D.They are investigatin
29、g how these photos got out.I Question 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.Now listen to the news./I（分数：2.00）(1).Whats announced by Harvard President?（分数：1.00）A.Women may not have the aptitude for science and mat
30、hematics that men have.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.(2).How much the plan might cost?（分数：1.00）A.Fifteen million dollars.B.Five million dollars.C.Fifty million dollars.D.Filly-fi
31、ve million dollars.专业英语四级听力-4答案解析 (总分：45.00，做题时间：90分钟)一、BPart DICTATIO(总题数：1，分数：15.00)1.IListen 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
32、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 minutes to check through your work once more. Please write t
33、he whole passage on ANSWER SHEET ONE./I（分数：15.00）_正确答案：()解析：听力原文 BMoney/B When we think of money today,/ we picture it either as round,/ flat pieces of metal coins; or as printed paper notes./ But there are still parts of the world today where coins and notes are of no use./ They would buy nothing,/
34、 and a traveler could starve if he has none of the local money to exchange for food./ Among isolated peoples,/ commerce usually means a direct exchange of goods./ Perhaps it is fish for vegetables, meat for grain,/ or various kinds of food in exchange for pots, baskets, or other manufactured goods./
35、 For this kind of simple trading,/ money is not needed./ But there is often something that everyone wants and everybody can use,/ such as salt to flavor food,/ or iron and copper to make into tools and vessels./ These things are still used as money in the remote parts of the world today./ 解析 这篇听写的句子
36、结构和单词都相对简单，意思比较好理解。初听starve可能会造成困扰，但是听到后面的“没有当地的钱来换食物”的话，就可明确是“挨饿”。另外，注意文中多处名词复数的使用。二、BPart LISTENIN(总题数：3，分数：10.00)BSECTION A CONVERSATIONS/BI In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow./II Questions 1 to 3 ar
37、e based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.Now listen to the conversation./I（分数：3.00）(1).Why does the woman tell the man the story?（分数：1.00）A.To inform him about a class he missed.B.Because he is eating fish sticks.C.Be
38、cause she tutors him.D.To encourage him to eat a healthier lunch.解析：听力原文1-3 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: What? W: The fish sticks. M: Of course they were frozen. We are hundreds of miles from the
39、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: Not exactly. But he did talk about frozen fish. OK, this is back in 1912, right? Its 20 de
40、grees 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: So? W: So, later at home he thaws out the fish in a bucket of water and its alive. Of co
41、urse 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: Look, usually when a plant or animal cell freezes, large ice crystals form inside and eventually tear the cell walls. Thats what kills the frozen plant or ani
42、mal. 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 that was the beginning of frozen foods? W: Right. 本题考查原因。对话的开头就提到：“I see you are having the fis
43、h for lunch.”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。因此选项B为正确答案。(2).Why is it important to quick freeze fresh food?（分数：1.00）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
44、.The food defrosts more quickly.解析：本题考查原因。根据原文“Look, usually when a plant or animal cell freezes， large ice crystals form inside and eventually tear the cell walls. And also what changes the taste of something thats been frozen. But if you freeze something quickly, only very small ice crystals form.
45、”因此选项A为正确答案。(3).What was Clarence Birdseye surprised to learn?（分数：1.00）A.A fish could survive being frozen.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.解析：本题考查事实。根据原文“So, later at home he thaws out the fish in
46、 a bucket of water and its alive. Of course Birdseye is amazed.”可知应选A。I Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.Now listen to the conversation./I（分数：3.00）(1).What happened after the man built his first computer?（分数：1.00）A.He turned to become an enthusiastic reader.B.He went on to build a machine for his Junior High School.C.He became obsessed with computer engineering
