大学四级-170及答案解析.doc

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1、大学四级-170 及答案解析(总分：710.00，做题时间：90 分钟)一、Part Writing(总题数：1，分数：106.50)1.Directions: For this part, you are allowed 30 minutes to write a letter of appeal calling for student participation in an aid-education project in Western areas following the outline given below. You should write at least 120 words

2、 but no more than 180 words. 1市教委组织了一次西部支教的活动，学生会呼吁大学生积极参与 2活动的时间、要求及作用 A Call for Participation in an Aid-education Project（分数：106.50）_二、Part Listening Com(总题数：0，分数：0.00)三、Section A(总题数：4，分数：106.50)（分数：35.50）A.She contained her happiness.B.She pretended to be cheerful.C.She thought the exam was har

3、d.D.She was awfully pleased with her grades.A.A carpenter.B.A painter.C.A gardener.D.A barber.A.Go for a later movie.B.Order his food quickly.C.Go to another restaurant.D.Decide which movie to watch.A.She will deliver a speech at the convention.B.She is the only representative of her division.C.She

4、helps to build a marketing system.D.She works in the marketing department.A.She forgot to make a call to the man.B.Her answering machine was broken.C.She didn“t get the man“s messages.D.She couldn“t remember the man“s number.（分数：21.30）A.She hasn“t heard from the teacher for three days.B.They have ex

5、tra time to complete the assignment.C.She just found out the medical paper three days ago.D.They won“t see the teacher until three days later.A.Have a meal.B.Go shopping.C.Go to the movie.D.Play badminton.A.He works three nights every two weeks.B.He works four times as much as he did before.C.He has

6、 twice as much work as he used to have.D.He has three free days for every four days he works.Questions 9 to 11 are based on the conversation you have just heard. （分数：21.30）A.An international driver“s license.B.An Arizona driver“s license.C.A regular license.D.A limited license.A.A regular license wi

7、ll cost much more money.B.A regular license has a shorter effective period.C.A five-year license is much easier to get for students.D.A five-year license is more popular among students.A.An Italian student studies for two years.B.An Italian immigrant resides for ever.C.A Spanish tourist is on a visi

8、t for haft a year.D.A Spanish teacher teaches for three years.Questions 12 to 15 are based on the conversation you have just heard. （分数：28.40）A.Someone phoned.B.Someone came.C.The woman went out.D.The woman phoned the man.A.She didn“t take Mr. Cooper to the restaurant.B.She didn“t phone him when Mr.

9、 Cooper came.C.She has lost the card he had given to her.D.She made an excurse for her fault.A.An information card of a restaurant.B.His own business card.C.Mr. Cooper“s business card.D.A note of what to do.A.A student and a teacher.B.The secretary and the boss.C.A salesgirl and a customer.D.The wif

10、e and the husband.四、Section B(总题数：0，分数：0.00)五、Passage One(总题数：1，分数：28.40)Questions 16 to 19 are based on the passage you have just heard. （分数：28.40）A.Many countries dislike it.B.All countries observe it.C.It began with the Americans.D.It began with the Romans.A.To show how happy they were.B.To drive

11、 away the evil spirits.C.To warn the thieves and robbers.D.To sell their drums and sticks.A.Sing and dance in the square till midnight.B.Throw pieces of pottery against friends“ houses.C.Kiss each other when the clock strikes midnight.D.Go from house to house and make noises.A.It is the favorite foo

12、d of young people.B.It is the last food of the past year.C.It brings good luck to people.D.It is good for people“s health.六、Passage Two(总题数：1，分数：21.30)Questions 20 to 22 are based on the passage you have just heard. （分数：21.30）A.They are not allowed to drink coffee.B.They think coffee does no good to

13、 them.C.They think coffee is too expensive.D.They should not drink coffee when working.A.Sleeping problems.B.Stomach problems.C.Bad emotions.D.High blood pressure.A.It improves one“s brain function.B.It increases one“s blood flow.C.It cleans the water of the body“s cells.D.It keeps one away from dep

14、ression.七、Passage Three(总题数：1，分数：21.30)Questions 23 to 25 are based on the passage you have just heard. （分数：21.30）A.It is comfortable.B.It is best made.C.It causes no pollution.D.It makes less noise.A.Its battery is not powerful enough.B.Its battery is of enormous size.C.It costs too much money.D.It

15、 breaks down easily.A.Improve the batteries of electric cars.B.Increase the number of electric cars.C.Design a new device for electric cars.D.Look for new ways to improve safety.八、Section C(总题数：1，分数：71.00)Since we are social beings, the quality of our lives depends in large measure on our interperso

16、nal (人与人之间的) relationships. One strength of the human condition is our 1 to give and receive support from one another under stressful circumstances. Social support 2 the exchange of resources among people based on their interpersonal ties. Those of us with strong support systems appear better able t

17、o cope with major life changes and 3 problems. People with strong social ties live longer and have better health than those without such ties. Studies over a range of illnesses, from depression to heart disease, 4 that the presence of social support helps people 5 illness, and the absence of such su

18、pport makes poor health more likely. Social support 6 stress in a number of ways. First, friends, relatives, and colleagues may let us know that they value us. Our self-respect is strengthened when we feel accepted by others despite our faults and 7 . Second, other people often provide us with infor

19、mational support. They help us to define and understand our problems and find solutions to them. Third, we 8 find that engaging in leisure-time activities with others helps us to meet our social needs while at the same time 9 our worries and troubles. Finally, other people may give us helpful suppor

20、t 10 aid, material resources, and needed servicesthat reduces stress by helping us resolve and cope with our problems. （分数：71.00）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:_填空项 1:_填空项 1:_九、Part Reading Compr(总题数：0，分数：0.00)十、Section A(总题数：1，分数：35.50)Back in the day, a good report card ear

21、ned you a parental pat on the back, but now it could be money in your pocket. Experiments with cash incentives (激励) for students have been catching on in public-school districts across the country, and so has the debate over whether they are a 1 tool for hard-to-motivate students. According to a stu

22、dy 2 today by the social-policy research group MDRC, a non-profit organization, cash incentives combined with counseling offered “real hope“ to low-income and nontraditional students at two Louisiana community colleges. The program 3 by the Louisiana Department of Social Services and the Louisiana W

23、orkforce Commission was simple: enroll in college at least half-time, 4 at least a C average and earn $1,000 a semester for up to two terms. Participants, who were randomly 5 , were 30% more likely to register for a second semester than were students who were not offered the supplemental financial 6

24、 And the participants who were first offered cash incentives in spring 2004and thus whose progress was tracked for longer than that of subsequent groups before Hurricane Katrina 7 forced researchers to suspend the survey for several months in August 2005were also more likely than their peers to be e

25、nrolled in college a year after they had finished the two-term program. Students offered cash incentives in the Louisiana program earned more 8 and were more likely to attain a C average than were nonparticipants. And they showed psychological 9 too, reporting more positive feelings about themselves

26、 and their abilities to 10 their goals for the future. A. maintain B. brilliant C. cooperative D. claim E. aid F. selected G. retain H. abruptly I. credits J. fulfilled K. benefits L. accomplish M. released N. naturally O. funded（分数：35.50）十一、Section B(总题数：1，分数：71.00)Designing for sustainability: wha

27、t are the challenges behind green materials?A. Learning to surf in California“s icy breakers, Todd Copeland, a design master at the Patagonia clothing company, concluded that wetsuits (潜水服) weren“t cutting it. Sure, a traditional Neoprene (氯丁橡胶) suit could keep him warm, but the suit“s material coul

28、d be synthesised only from non-renewable, energy-intensive resources such as petroleum. B. In spring .2008, Copeland blogged about the need for a truly green alternative. And, later that summer, his cry found its way to Yulex, an Arizona-based company working to bring back a low-energy, low-poison r

29、ecipe for rubber from guayule (银胶菊), a desert bush native to North America. Research on the plant peaked during the Second World War but was then shelved. Yulex had restarted the work around 2000 and was making hypo-allergenic (低过敏的) surgical gloves, but was seeking a new market. It saw Copeland“s p

30、ost, and soon its representatives came knocking. C. Yulex“s efforts are set to pay off later this fall, when Patagonia releases a full wetsuit made from a 60:40 blend of guayule and conventional Neoprene, five years after Copeland initiated the search. “We hope to get that to 100% guayule, but it ta

31、kes time to learn a new material,“ says Copeland, now Patagonia“s environmental product specialist. D. This lucky match between designer and material maker is, unfortunately, a rare exception. The tale of Patagonia“s eco-wetsuit offers a lesson of the larger challenge facing green materials on the p

32、ath from lab to market. The process remains a complex web that few materials survive. But a recent survey of design leaders reveals that while eco-materials still face a tougher journey than their conventional peers, the process of green technology transfer “is malting progress. E. Though spotty, st

33、atistics on green materials markets are all pointing up. The building industry is one of the largest shifting towards lower-impact practices. In the US, the green construction market is worth roughly $100bn, a ten-fold rise since 2006, according to the 2013 Dodge Construction Green Outlook. As a sha

34、re, green construction now accounts for 44% of total US commercial and institutional construction, up from near zero a decade ago. F. Evidence suggests that big corporations are deepening their commitment to these priorities, as well. For example, Green adoption has also been accelerating at Ford. A

35、 decade ago, engineers at the No. 2 US automaker were distrustful of the cost and performance benefits of alternatives. Today, following a storm of successful material substitutions, design engineers are required to evaluate and pick green candidates where they equal or exceed conventional materials

36、. G. Ford“s shift didn“t come quickly. “We were kicked out of conference rooms,“ laughs Debbie Mielewski, technical leader for Plastics Research at Ford Motor Co, recalling her efforts in the early 2000s to pitch bio-based plastics to the car maker“s internal development engineers. “They saw only ri

37、sk and additional cost,“ she says. But thanks to the protection of Bill Ford Jr, the company“s then CEO, Ford“s bio-plastics R people blow whistles, sing and kiss each other. A favorite Scottish song was sung by everyone together. Black-eyed peas, which are eaten immediately after midnight, are supp

38、osed to bring good luck to the person who eats them as his or her first food in the New Year. There is an enjoyable atmosphere all over the world. What do we know about the practice of celebrating the New Year on January 1? 解析 短文提到，在元月一日庆祝新年的惯例始于罗马人，故 D正确。 A在短文中无依据，可首先排除；短文提到，有些国家不在元月一日庆祝新年，据此，B(所有国

39、家都在元月一日庆祝新年)表述错误：C 是利用原词 America设置的干扰项。A.To show how happy they were.B.To drive away the evil spirits. C.To warn the thieves and robbers.D.To sell their drums and sticks.解析：听力原文 Why did people in old times make noise in the New Year? 解析 短文提到，古时候人们过新年时制造喧闹是为了把妖魔鬼怪从家里驱走，据此 B正确。 A、C 短文均未提及，可排除；D 利用短文中的

40、 drums和 sticks制造干扰。A.Sing and dance in the square till midnight.B.Throw pieces of pottery against friends“ houses. C.Kiss each other when the clock strikes midnight.D.Go from house to house and make noises.解析：听力原文 How do young people in Denmark celebrate the New year? 解析 短文提到，丹麦年轻人庆祝新年时会往朋友家的墙上扔陶器，故

41、 B正确。 短文中没有提到哪个国家庆祝新年的习俗是唱歌跳舞直至午夜，故 A排除；新年到来时相互亲吻是美国人而不是丹麦人的习俗，故 C错误：挨家挨户敲鼓制造喧闹是日本人的习俗，故 D也错误。A.It is the favorite food of young people.B.It is the last food of the past year.C.It brings good luck to people. D.It is good for people“s health.解析：听力原文 What does the speaker tell us about black-eyed peas

42、? 解析 短文提到，午夜过后立即吃 black-eyed peas，作为新年里吃的第一种食物，据说能给人们带来好运，故 C正确。 短文没有提到 black-eyed peas是年轻人的最爱，故 A排除；black-eyed peas 是新年里吃的第一种食物，故 B错误；D 短文未提及。六、Passage Two(总题数：1，分数：21.30)Questions 20 to 22 are based on the passage you have just heard. （分数：21.30）A.They are not allowed to drink coffee.B.They think c

43、offee does no good to them. C.They think coffee is too expensive.D.They should not drink coffee when working.解析：听力原文 Coffee can be considered one of nature“s greatest gifts. It gives mental and emotional clarity without harmful side effects, and it contains a wealth of nutrients. Yet, when most peop

44、le drink coffee, they are not thinking that the beverage is improving their health. In fact, some may even feel a little guilty, since some believe coffee isn“t good for you at all. The truth of the matter is: coffee, like anything else, can cause problems if too much is consumed. In the short-term,

45、 too much coffee will cause sleeping problems and hypertension. In the long-term, too much coffee will cause stomach problems as well as teeth staining. As far as the benefits, moderate consumption of coffee, which means 1 to 4 cups a day, provides your body with a wealth of antioxidants. These subs

46、tances are responsible for eliminating free radicals. They are the Chemical byproducts produced any time your body does something. A small number of them can help serve as a buffer against negative elements, but if they aren“t kept in check, they can cause health problems. Antioxidants ensure that t

47、his doesn“t happen. Even the caffeine content within coffee can be beneficial toward your health. One way it does this is by cleaning the water of your body“s cells, which keeps your weight down while cleaning out impurities. Why do some people feel guilty when they drink coffee? 解析 短文提到，有些人喝咖啡时会有负罪

48、感，因为他们认为咖啡对人没有半点好处，故 B正确。 各选项主语都是 They，内容多与喝咖啡的负面影响有关，由此可推测，问题可能问及“他们”对喝咖啡的看法。A、C、D 短文未提及，排除。A.Sleeping problems.B.Stomach problems. C.Bad emotions.D.High blood pressure.解析：听力原文 What will drinking too much coffee cause in the long-term? 解析 短文提到，长期过量喝咖啡会导致胃部和牙齿出现问题。B 对应其中一个负面影响，故正确。 睡眠问题是短期过量喝咖啡导致的问题，A 错误；C、D 均未提及，排除。A.It improves one“s brain function.B.It increases one“s blood flow.C.It cleans the water of the body“s cells. D.It keeps one away from depression.解析：听力原文 In what way can caffeine benefit one“s health according to the speaker? 解析 短文提到，咖啡因对人体健康也有帮助，其中一个帮助在于它可以清洁细胞里的水分，故 C正确。各选项