公共英语三级-284及答案解析.doc

1、公共英语三级-284 及答案解析(总分：110.00，做题时间：90 分钟)一、Section Listening (总题数：0，分数：0.00)二、Part A(总题数：2，分数：10.00)(1).How many guests did they have last night?（分数：1.00）A.75 guests.B.50 guests.C.30 guests.D.25 guests.(2).When does the conversation take place?（分数：1.00）A.On Friday.B.On Thursday.C.On Tuesday.D.On Monday

2、3).What will the woman probably do?（分数：1.00）A.Look at something for the man.B.Stop talking so much.C.Play the music more quietly.D.Pay more attention to the music.(4).What do we learn from the conversation?（分数：1.00）A.Henry doesnt like the door.B.There was no ladder in the house.C.Someone else pain

3、ted the house.D.Henry painted the house himself.(5).What does the woman mean?（分数：1.00）A.She didnt like the books the man bought.B.There wasnt a large selection at the bookstore.C.The man bought a lot of books.D.She wanted to see what the man bought.(1).How does the man feel about the course?（分数：1.00

4、A.He doesnt like the teachers accent.B.He finds it hard to follow the teacher.C.He wishes the teacher would talk more.D.He wishes to have more courses like it.(2).What are they talking about?（分数：1.00）A.A big travel agency.B.A job opportunity.C.An inexperienced salesman.D.A position as general manag

5、er.(3).How did Charles travel?（分数：1.00）A.By car.B.By plane.C.By bus.D.By train.(4).What is the womans job?（分数：1.00）A.A shop assistant.B.A telephone operator.C.A waitress.D.A clerk.(5).What do we learn from the conversation?（分数：1.00）A.The woman knows the professor has been busy.B.The woman knows the

6、professor has run into trouble.C.The woman has trouble getting along with the professor.D.The woman regrets having taken up much of the professors time.三、Part B(总题数：4，分数：15.00)(1).What was the report given by the weather station in Chicago?（分数：1.00）A.Sunny skies.B.Cloudiness, but no rain.C.Light sho

7、wers.D.Thunderstorms.(2).What was the temperature at Arm Arbor airport?（分数：1.00）A.79 Degrees F.B.74 Degrees F.C.75 Degrees F.D.73 Degrees F.(3).What did the forecast indicate the weather for the weekend would be?（分数：1.00）A.Rainy and mild.B.Sunny and mild.C.Rainy and cold.D.Cloudy and cold.(1).Where

8、does this conversation most probably take place?（分数：1.00）A.In a classroom.B.In a snack bar.C.In the dormitory.D.In a camera shop.(2).Who is Ted?（分数：1.00）A.The mans brother.B.The mans neighbor.C.The mans dog.D.The mans roommate.(3).Why does the man sometimes get angry with Ted?（分数：1.00）A.Because he p

9、lays the radio too loud.B.Because he throws his things around.C.Because he often leaves the door open.D.Because he comes home late.(4).What did they do during the vacation mentioned in the conversation?（分数：1.00）A.They visited the mans parents.B.They went to the beach.C.They worked in a supermarket.D

10、They stayed at school.(1).How do the housewives learn about the offer of free groceries?（分数：1.00）A.On the radio.B.At the supermarket.C.From the manager.D.From their friends.(2).What did Mrs Edwards want very much?（分数：1.00）A.Get a basket of free goods.B.Meet the manager.C.Get a free basket.D.Fill al

11、l her cupboards.(3).Why did Mrs Edwards go back to the supermarket after she had finished shopping one day?（分数：1.00）A.Because she had to meet the manager.B.Because she had to buy one more thing.C.Because she had to find her shopping.D.Because she had to pay for her shopping.(4).Which of the followin

12、g words best describes Mrs Edwards feeling at the end of this story?（分数：1.00）A.Embarrassed.B.Disappointed.C.Delighted.D.Proud.(1).what is the conversation mainly about?（分数：1.00）A.How to care for precious metals.B.A standard unit for measuring weight.C.The value of precious metals.D.Using the metric

13、system.(2).How was the weight used?（分数：1.00）A.To check the accuracy of scales.B.To calculate the density of other metals.C.To observe changes in the atmosphere.D.To measure amounts of rainfall.(3).Why was it necessary to replace the old standard weight?（分数：1.00）A.Someone spilled water on it.B.Someon

14、e lost it.C.It was made of low-quality metal.D.The standard for measuring had changed.(4).What does Dr Thomas probably think about the cost of the new weight?（分数：1.00）A.It is a small amount to pay for so much precious metal.B.It is difficult to judge the value of such an object.C.It is reasonable fo

15、r an object with such an important function.D.It is too high for such a light weight.四、Section Use of Eng(总题数：1，分数：20.00)Every human being, (26) what he is doing, gives off body heat. The usual problem is (27) dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh s

16、et themselves the (28) problem how to collect body heat. They have designed a collection system which utilize (29) body heat, but the heat given off by such objects (30) light bulbs and refrigerators as well. The system works so well (31) no conventional fuel is needed (32) the campuss six buildings

17、 comfortable.Some parts of most modern buildings, theatres and offices (33) classrooms are more than heated by people and lights and sometimes must be air-conditioned and (34) in winter. The technique of (35) heat and redistributing it is (36) “heat recovery“. A few modern buildings recover (37) , b

18、ut the universitys system is the first to recover heat (38) some buildings and reuse it in (39) . Along the way, Pitt has learned a great deal about some of its heat producers. The (40) a student studies, the more heat his body (41) . Male students emit more than (42) students, and the larger a stud

19、ent, the more heat his body (43) . It is tempting to (44) that the hottest prospect for the Johnstown campus would be a (45) overweight male genius.（分数：20.00）A.thoughB.no matterC.howeverD.in spite ofA.how toB.howC.what toD.whatA.similarB.wrongC.opposingD.oppositeA.bothB.not onlyC.as well asD.neither

20、A.for exampleB.likeC.ofD.asA.whichB.thenC.thatD.thereforeA.makeB.to be madeC.to makeD.makingA.includingB.as well asC.withD.as wellA.evenB.soC.everD.muchA.savingB.being savedC.disposingD.disposedA.talkedB.thoughtC.suggestedD.calledA.lossB.coldC.temperatureD.heatA.toB.fromC.withD.forA.the otherB.other

21、C.othersD.the othersA.hardB.hardestC.harderD.more hardA.takes inB.gives offC.gives inD.takes outA.otherB.femaleC.girlD.boyA.producesB.manufacturesC.designsD.assemblesA.startB.concludeC.endD.beginA.easy-doingB.fun-makingC.hard-workingD.good-looking五、Section Reading Co(总题数：0，分数：0.00)六、Part A(总题数：0，分数：

22、0.00)七、Text 1(总题数：1，分数：10.00)The automobile has many advantages. Above all, it offers people freedom to go wherever and whenever they want to go. The basic purpose of a motor vehicle is to get from point A to point B as cheaply, quickly, and safely as possible. However, to most people, cars are also

23、 personal fantasy machines that serve as symbols of power, success, speed, excitement, and adventure.In addition, much of the worlds economy is built on producing motor vehicles and supplying roads, services, and repairs for those vehicles. Half of the worlds paychecks are auto related. In the Unite

24、d States, one of every six dollars spent and one of every six non-farm jobs are connected to the automobile or related industries, such as oil, steel, rubber, plastics, automobile services, and highway construction.In spite of their advantages, motor vehicles have many harmful effects on human lives

25、 and on air, water, land, and wildlife resources. The automobile may be the most destructive machine ever invented. Though we tend to deny it, riding in cars is one of the most dangerous things we do in our daily lives.Since 1885, when Karl Benz built the first automobile, almost 18 million people h

26、ave been killed by motor vehicles. Every year, cars and trucks worldwide kill an average of 250 000 people as many as were killed in the atomic bomb attacks on Hiroshima and Nagasaki and injure or permanently disable 10 million more. Half of the worlds people will be involved in an auto accident at

27、some time during their lives.Since the automobile was introduced, almost three million Americans have been killed on the highways about twice the number of Americans killed on the battlefield in all US wars. In addition to the tragic loss of life, these accidents cost American society about $ 60 bil

28、lion annually in lost income and in insurance, administrative, and legal expenses.Streets that used to be for people are now for cars. Pedestrians and people riding bicycles in the streets are subjected to noise, pollution, stress, and danger.Motor vehicles are the largest source of air pollution, p

29、roducing a haze of smog over the worlds cities. In the United States, they produce at least 500% of the countrys air pollution.（分数：10.00）(1).Most people think that cars represent peoples _.（分数：2.00）A.occupationB.wealthC.life styleD.fame(2).According to the passage, the average number of people kille

30、d annually in traffic accidents around the world is _.（分数：2.00）A.18 millionB.250 000C.10 millionD.60 billion(3).A serious environmental problem resulting from automobiles is _.（分数：2.00）A.tragic loss of lifeB.traffic jamsC.air pollutionD.mental stress(4).It can be inferred from this passage that auto

31、mobiles _.（分数：2.00）A.are an important part of the worlds economyB.are becoming less dangerousC.will produce less air pollution in the futureD.are killing more people in recent years than in the past(5).The title that suits the passage best is _.（分数：2.00）A.Automobile and EconomyB.Automobile and the E

32、nvironmentC.The Problems with the AutomobileD.Advantages and Disadvantages of the Automobile八、Text 2(总题数：1，分数：10.00)After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. During this time, the body recovers from the activities of the previous day. The rest tha

33、t you get while sleeping enables your body to prepare itself for the next day.There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level,

34、your body shifts back and forth from one level of sleep to the other.Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly (although your eyelids are closed). This stage of sleep is called

35、 REM, which stands for Rapid Eye Movement.If you have trouble falling asleep, some people recommend breathing very deeply. Other people believe that drinking warm milk will help make you drowsy. There is also an old suggestion that counting sheep will put you to sleep!（分数：10.00）(1).A good title for

36、this passage may be _.（分数：2.00）A.SleepB.Good HealthC.DreamsD.Work and Rest(2).The word “drowsy“ in the last paragraph means _.（分数：2.00）A.sickB.stand upC.asleepD.a little sleepy(3).This passage suggests that not getting enough sleep might make you _.（分数：2.00）A.dream more oftenB.have poor healthC.nerv

37、ousD.breathe quickly(4).During REM, _.（分数：2.00）A.your eyes move quicklyB.you dreamC.you are restlessD.both and (5).The average number of hours of sleep that an adult needs is _.（分数：2.00）A.approximately six hoursB.around ten hoursC.about eight hoursD.not stated here九、Text 3(总题数：1，分数：10.00)Hardly a we

38、ek goes by without some advance in technology that would have seemed incredible 50 years ago. And we can expect the rate of change to accelerate rather than slow down within our lifetime. The developments in technology are bound to have a dramatic effect on the future of work. By 2010, new technolog

39、y will have revolutionized communications. People will be transmitting messages down telephone lines that previously would have been sent by post. Not only postmen but also clerks and secretaries will vanish in a paper-free society. All the routine tasks they perform will be carried on a tiny silico

40、n chip so that they will be as obsolete as the horse and cart after the invention of the motor car. One change will make thousands, if not millions, redundant.Even people in traditional professions, where expert knowledge has been the key, are unlikely to escape the effects of new technology. Instea

41、d of going to a solicitor, you might go to a computer which is programmed with all the most up-to-date legal information. Doctors, too, will find that an electronic competitor will be able to carry out a much quicker and more accurate diagnosis and recommend more efficient courses of treatment. In e

42、ducation, teachers will be largely replaced by teaching machines far more knowledgeable than any human being. Most learning will take place in the home via video conferencing. Children will still go to school though, until another place is created where they can make friends and develop social skill

43、s.What can we do to avoid the threat of unemployment? We shouldnt hide our heads in the sand. Unions will try to stop change but they will be fighting a losing battle. People should get computer literate as this just might save them from professional extinction. After all, there will be a few jobs l

44、eft in law, education and medicine for those few individuals who are capable of writing and programming the software of the future. Strangely enough, there will still be jobs like rubbish collection and cleaning as it is tough to programme tasks which are largely unpredictable.（分数：10.00）(1).Accordin

45、g to the writer, the rate of change in technology _.（分数：2.00）A.will remain the sameB.will slow downC.will speed upD.can not be predicted(2).The writer expects that by 2010 new technology will have revolutionized communications and _.（分数：2.00）A.bookshops will not existB.the present postal system will

46、 have disappearedC.people will no longer send lettersD.the postmen will have been replaced by the motor cars(3).From the passage, we can infer that _.（分数：2.00）A.professionals wont be affected by new technologyB.doctors wont be as efficient as computers in the futureC.computers can not replace lawyer

47、s in the futureD.experts will know less in the future(4).The passage tells us that in the future _.（分数：2.00）A.children will not be taught in schoolsB.no teachers will be neededC.teachers will be less knowledgeableD.children will learn life skills at school(5).In the writers view, _.（分数：2.00）A.people

48、 should be prepared for the futureB.there exists no threat of unemploymentC.unions can stop the unfavorable changeD.people had better become cleaners十、Part B(总题数：1，分数：5.00)Lisa:Sometimes I think that successful marriages are an endangered societal species. It seems as though every time I turn around

49、 another couple I know is getting divorced. Its a shame because marriage is very important. I believe that if people put more effort into making their marriages work, there would be fewer divorces. Marriage takes certain qualities to make it a success, such as responsibility and a sense of humor. If partners all understand this, more happy marriages will be maintained.Elizabeth:One thing I think that is important to a successful marriage is that you should not always think