1、大学英语四级改革适用（听力）模拟试卷 257及答案与解析 Section A （ A） An 18-year-old man. （ B） A 27-year-old man. （ C） A 29-year-old man. （ D） A 19-year-old man. （ A） The suspects were arrested on Friday. （ B） The weapon involved in the incident hasnt been found. （ C） The dead person was confirmed as a gangster. （ D） The vic
2、tim was killed by mistake. （ A） Police. （ B） Parents. （ C） Government officials. （ D） Teachers. （ A） Poverty was the main cause of forced child labor. （ B） Many Indian children had skin diseases. （ C） Fifteen men have been charged with human-trafficking. （ D） 200 Indian children were rescued by poli
3、ce. （ A） He strongly disagrees with other scientists. （ B） He is very worried about the development of AI. （ C） He is helping to improve a technology called artificial intelligence. （ D） He is taking action to save mankind from a catastrophe. （ A） Tesla. （ B） Hawking. （ C） Musk. （ D） Bostrom. （ A） A
4、 Google manager is supporting the advancement of AI. （ B） The Watson supercomputer has defeated the greatest players of Jeopardy. （ C） In more and more pursuits, machines are outdoing humans. （ D） Many scientists fear the threat that AI may pose to human beings. Section B （ A） He teaches in a law sc
5、hool. （ B） He loves classical music. （ C） He is a diplomat. （ D） He is a wonderful lecturer. （ A） Went to see a play. （ B） Watched a soccer game. （ C） Took some photos. （ D） Attended a dance. （ A） Monday night. （ B） Sunday night. （ C） Saturday night. （ D） Friday night. （ A） She decided to get marrie
6、d in three years. （ B） Her mother objected to Erics flying lessons. （ C） She insisted that Eric pursue graduate studies. （ D） Her father said she could marry Eric right away. （ A） Editor. （ B） Teacher. （ C） Journalist. （ D） Typist. （ A） The beautiful Amazon rainforests. （ B） A new railway under cons
7、truction. （ C） Big changes in the Amazon valley. （ D） Some newly discovered scenic spot. （ A） In news weeklies. （ B） In newspapers Sunday editions. （ C） In a local evening paper. （ D） In overseas editions of US magazines. （ A） To be employed by a newspaper. （ B） To become a professional writer. （ C）
8、 To sell her articles to a news service. （ D） To get her life story published soon. Section C （ A） Nodding ones head. （ B） Waving ones hand. （ C） Holding up the forefinger. （ D） Turning the right thumb down. （ A） Looking away from them. （ B） Forming a circle with fingers. （ C） Bowing ones head to th
9、em. （ D） Waving or pointing to them. （ A） Looking ones superior in the eye. （ B） Keeping ones arms folded while talking. （ C） Showing the sole of ones foot to a guest. （ D） Using a lot of gestures during a conversation. （ A） They had to beg for food after the harvest. （ B） They grew wheat and com on
10、 a small farm. （ C） They shared a small flat with their relatives. （ D） The children walked to school on dirt roads. （ A） Tour Ecuadors Andes Mountains （ B） Earn an annual income of $2,800. （ C） Purchase a plot to build a home on. （ D） Send their children to school. （ A） The achievements of the Tric
11、kle Up Program. （ B） A New worldwide economic revolution. （ C） Different forms of assistance to the needy. （ D） The life of poor people in developing countries. （ A） They are highly sensitive to cold. （ B） They are vitally important to our life . （ C） They are a living part of our body. （ D） They ar
12、e a chief source of our pain. （ A） It has to be removed in time by a dentist. （ B） It is a rare oral disease among old people. （ C） It contains many nerves and blood vessels. （ D） It is a sticky and colorless film on the teeth. （ A） It can change into acids causing damage to their outer covering. （
13、B） It greatly reduces their resistance to the attacks of bacteria. （ C） It makes their nerves and blood vessels more sensitive to acid food. （ D） It combines with food particles to form a film on their surface. （ A） Food particles. （ B） Gum disease. （ C） Unhealthy living habits. （ D） Chemical erosio
14、n. 大学英语四级改革适用（听力）模拟试 卷 257答案与解析 Section A 1 【听力原文】 (1) Two men have been arrested after a 27 -year-old was shot dead on a northwest London street. The victim, Oliver Tetlow, was killed in the shooting in Church Road on the night of 9 March. Police believed he was not the target. A 29-year-old man wa
15、s arrested on suspicion of murder on Friday in the Shepherds Bush area. Earlier in the day, police arrested an 18-year-old in Harles-den on suspicion of robbery. Both men are in custody. (2) Police said the shooting is being investigated by police as gang-related but Mr. Tetlows death was a tragic c
16、ase of mistaken identity. The victim was shot multiple times and an automatic weapon appeared to have been used, but the firearm has not been recovered. Police said the killer was in a dark-coloured vehicle which travelled along Church Street towards Harlesden Town Centre after the shooting. 1. Who
17、was the victim? 2. Which of the following statements is incorrect according to the news? 1 【正确答案】 B 【知识模块】 听力 2 【正确答案】 C 【知识模块】 听力 3 【听力原文】 Hundreds of children who were forced to work in “ inhuman conditions“ have been rescued from factories in southern India. At least 350 children were rescued fro
18、m small leather and plastic factories over a 10-day period. (3) The children were working long hours in horrible surroundings, police said. (4) Widespread poverty and lack of education result in many children being pushed into work. Sometimes their wages will be promised to their parents. The author
19、ities said five men had been accused of supplying the young people to factory owners. (3) Child welfare officials accompanied some of the children on Thursday as they were reunited with their parents in Bihar, one of Indias poorest states. Nearly 200 others travelled back to Bihar in northern India
20、earlier in the week, police said. A police official revealed that several of the rescued children were suffering from skin problems and other diseases. 3. Who were not involved in the incident in India? 4. What can be inferred from the news report? 3 【正确答案】 D 【知识模块】 听力 4 【正确答案】 A 【知识模块】 听力 5 【听力原文】
21、(5) Professor Stephen Hawking has joined a group of experts concerned about that follows when humans build a device or write some software that can properly be called intelligent. He fears such an artificial intelligence could mean the end of humanity. (6) Similar worries were expressed by Tesla bos
22、s Elon Musk in October. He declared on controlled AI to be the biggest threat facing mankind. He wonders if we will find our end beneath the heels of a cruel and calculating artificial intelligence. Professor Nick Bostrom from the University of Oxford is worried, too. He has said an Al-led doomsday
23、could destroy us within a century. (7) Googles director of engineering, Ray Kurzweil, is worried about AI for less obvious reasons. He is concerned that it may be hard to control super-smart software. IBMs Watson supercomputer defeated the best players of US TV game show Jeopardy. And there are many
24、, many examples of computers finding new and creative solutions to problems across diverse fields in the human world. The machines are slowly but surely getting smarter and the hobbies in which humans remain champions are becoming fewer. 5. What does the news tell about Stephen Hawking? 6. Who said
25、rampant AI was the biggest threat to humanity? 7. Which of the following statements is incorrect according to the news? 5 【正确答案】 B 【知识模块】 听力 6 【正确答案】 C 【知识模块】 听力 7 【正确答案】 A 【知识模块】 听力 Section B 8 【听力原文】 W:Hi, Eric. How was your weekend? M:Great! I met Marias parents. And we told them we want to be en
26、gaged. W:Eric, thats wonderful. Congratulations! M:Thanks, Alice. I really like her parents, too. They are very nice. Mrs. Carmona speaks four languages and Mr. Carmona is a diplomat. In fact, he gives us a speech at the law school on Saturday morning. W:Oh, that was Marias father? I heard his speec
27、h. M:You did? W:Well, I heard part of it, I listened to it for ten minutes, and then I fell asleep. I thought I was in class. Anyway, tell me about your weekend. M: Saturday evening we saw a play. And Sunday afternoon we watched a soccer game. Then Sunday night we all went out for dinner. Maria, her
28、 parents and me. That was the first chance we had to talk. W:Were you nervous? M:At first I was. We didnt say much. Mr. Carmona told us some good stories about his experiences as a diplomat and they asked me about my hobbies. W:And what did you say? M:Well, I didnt tell him about my flying lessons.
29、I told them about my chess play and my classical music collection. W:Good idea! Her parents really approve of you. Dont they? M: I guess so. Maria called this morning and said, “ My father told me hed like you for a son-in-law right now. W: Thats great. M: Not exactly. I want to get married after gr
30、aduate school in about three years. 8. What does Eric say about Marias father? 9. What did Maria and Eric do last Sunday afternoon? 10. When did Eric go out for dinner with Marias parents? 11. What do we learn from Marias phone call this morning? 8 【正确答案】 C 【知识模块】 听力 9 【正确答案】 B 【知识模块】 听力 10 【正确答案】 B
31、 【知识模块】 听力 11 【正确答案】 D 【知识模块】 听力 12 【听力原文】 M: Youre going to wear out the computers keyboard. W:Oh, hi! M:Do you have any idea what time it is? W: About ten or ten thirty? M: Its merely midnight. W: Really? I didnt know it was so late. M: Dont you have an early class to teach tomorrow morning? W:Yes
32、, at seven oclock, my computer class. The students go to work right after their lesson. M:Then you ought to go to bed. What are you writing anyway? W:An article I hope I can sell. M:Oh, another of your newspaper pieces. Whats this one about? W:Do you remember the trip I took last month? M:The one up
33、 to the Amazon? W: Well, thats what Im writing about. The new high-way and the changes its making in the Amazon valley. W: It should be interesting. W:It is. I guess thats why I forgot all about the time. M:How many articles have you sold now? W: About a dozen so far. M: What kind of newspapers are
34、they? W: The papers that carry a lot of foreign news. They usually appear in the big Sunday editions where they need a lot background stories to help fill off the space between the ads. M:Is there any future in it? W: I hope so. Theres a chance I may sell this article to a news service. M: Then your
35、 story would be published in several papers, wouldnt it? W: Thats the idea. And it might even be able to do other stories on a regular basis. M:That would be great. 12. What is the womans occupation? 13. What is the woman writing about? 14. Where did the womans articles usually appear? 15. What does
36、 the woman expect? 12 【正确答案】 B 【知识模块】 听力 13 【正确答案】 C 【知识模块】 听力 14 【正确答案】 B 【知识模块】 听力 15 【正确答案】 C 【知识模块】 听力 Section C 16 【听力原文】 Body language, especially gestures, varies among cultures. For example, a nod of the head means “yes“ to most of us. But in Bulgaria and Greece a nod means “no“and a shake o
37、f the head means “yes“. Likewise, a sign for OK, forming a circle with our forefinger and thumb, means zero in France and money in Japan. Waving or pointing to an Arab business person would be considered rude because that is how Arabs call their dogs over. Folded arras signal pride in Finland, but d
38、isrespect in Fiji. The number of bows that the Japanese exchange on greeting each other, as well as the length and the depth of the bows, signals the social status each party feels towards the other. Italians might think you are bored unless you use a lot of gestures during discussions. Many America
39、n men sit with their legs crossed with one ankle resting over the opposite knee. However, this would be considered an insult in Muslim countries, where one would never show the sole of the foot to a guest. Likewise, Americans consider eye contact very important, often not trusting someone who is afr
40、aid to look at you in the eye. But in Japan and many Latin American countries, keeping the eyes lowered is a sign of respect. To look upon firmly in the eye is considered a sign of ill breeding and is felt to be annoying. 16. What gesture do Bulgarians and Greeks use to express negative responses? 1
41、7. What is likely to offend Arab business people? 18. What is considered impolite in Muslim countries? 16 【正确答案】 A 【知识模块】 听力 17 【正确答案】 D 【知识模块】 听力 18 【正确答案】 C 【 知识模块】 听力 19 【听力原文】 Three years ago, Puncha Maya, her husband and five children lived in a shaky flat in southern Nepal. Every morning, the
42、parents walked the dirt roads seeking work in the rice fields. After the harvest, the family went begging for food. Today, the Mayas own a small paper-bag making company. With the money theyve earned, the Mayas have purchased a small plot, on which they grew vegetables and raise goats for additional
43、 income. In fact, the family has saved $ 68, this is remarkable in a country with an average annual income of $ 160. Grace Mbakwa, her husband and eight children once lived hand-to-mouth in Cameroon. Today, the Mbakwas run a clothing manufacturing business and own a home. They are able to send their
44、 children to school, at a cost of annual sum of $ 2,800. The idea of starting her own business seemed impossible to Pilar Moya, a poor woman from Atahualpa, high in Ecuadors Andes Mountains. Today, however, she is one of the proud owners of a bakery specializing in sweet cakes. These businesses are
45、part of an economic revolution sweeping the developing world. The sponsor is the Trickle Up Program, a non-profit organization founded by New Yorkers Glen and Mildred Leet. This organization offers people like the Mayas, the Mbakwas and the Moyas modest $ 100 grants. Since 1979, the program has help
46、ed over 130,000 of the worlds neediest people in 90 countries win small life-saving victories over poverty. And it has turned conventional thinking about foreign aid on its head. 19. What do we learn about Puncha Mayas family of three years ago? 20. What is the Mhakwas able to do now? 21. What does
47、the speaker mainly talk about? 19 【正确答案】 A 【知识模块】 听力 20 【正确答案】 D 【知识模块】 听力 21 【正确答案】 A 【知识模块】 听力 22 【听力原文】 Take care of your teeth and your teeth will take care of you. Your teeth are a living part of your body. They have nerves and blood vessels. Diseased teeth can cause pain, die and fall out. Pla
48、que is the main enemy of healthy teeth. Everyone has plaque. It is a sticky, colorless film that coats the teeth. Plaque is always forming on the teeth, especially at the gum line. If plaque is not removed, it builds up and gets under the gum line. Plaque that is left on the teeth for some time hard
49、ens. The result is tooth decay and gum disease. The bacteria in plaque live on sugar. They change sugar into acids, which break down the tooths harder outer covring. If left untreated, decay goes deeper and deeper into the tooth. After a while, the decay reaches the nerves and blood vessels of the inner tooth. By the time this happens, the tooth has probably started to ache. In addition to tooth decay, there are also gum diseases to watch out for. The bacteria in plaque make poisons that attack the gums. Small pockets form ar
