公共英语五级-50 (1)及答案解析.doc

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1、公共英语五级-50 (1)及答案解析(总分:110.00,做题时间:90 分钟)一、BSection Liste(总题数:1,分数:10.00)BPart A/BI You will hear a monologue about loneliness. As you listen, answer Questions 1 to 10 by circling True or False. You will hear the conversation ONLY ONCE.You now have 1 minute to read Questions 1 to 10./I(分数:10.00)(1).P

2、sychologists say there are two different kinds of loneliness.(分数:1.00)A.正确B.错误(2).All kinds of loneliness last only a short time.(分数:1.00)A.正确B.错误(3).Temporary loneliness is very serious.(分数:1.00)A.正确B.错误(4).Divorce sometimes causes loneliness.(分数:1.00)A.正确B.错误(5).Loneliness can cause sleeplessness

3、and headache.(分数:1.00)A.正确B.错误(6).Chronic loneliness usually lasts more than two years.(分数:1.00)A.正确B.错误(7).Lonely people have no social contacts.(分数:1.00)A.正确B.错误(8).The loneliest people are over 50 years old.(分数:1.00)A.正确B.错误(9).Habitual loneliness can cause serious illness.(分数:1.00)A.正确B.错误(10).T

4、emporary and situational loneliness are also considered as an unhealthy but normal part of life.(分数:1.00)A.正确B.错误二、BPart B/B(总题数:3,分数:10.00)I Questions 11 to 14 are based on the following talk on manufacturing. You now have 15 seconds read Questions 11 to 14./I(分数:4.00)(1).What role do most people i

5、n the manufacturing trades play?(分数:1.00)A.Designers.B.Supervisors.C.Assistants.D.Employees.(2).Which of the following best characterizes the job of a semiskilled worker?(分数:1.00)A.Repetitive.B.Consistent.C.Exceptional,D.Complicated.(3).How are the working conditions for most manufacturing jobs?(分数:

6、1.00)A.Disgraceful.B.Forceful.C.Harsh.D.Monotonous.(4).Who are responsible for panning and directing the manufacturing process?(分数:1.00)A.Scientists and engineers.B.Management workers.C.Technicians.D.Public relation workers.I Questions 15 to 17 are based on a talk on student housing. You now have 15

7、 seconds to read Questions 15 to 17./I(分数:3.00)(1).Which are not a regular part of the student dorms?(分数:1.00)A.Desks.B.Suites.C.Kitchens.D.Closets.(2).What do the married student apartments not allow?(分数:1.00)A.Children.B.Cooking.C.Spouses.D.Single students.(3).Which of the following is most likely

8、 required in Spanish House during some periods?(分数:1.00)A.Spanish nationals.B.Spanish majors.C.Spanish speaking.D.Spanish cooking.I Questions 18 to 20 are based on the following monologue about rainwater. You now have 20 seconds to read Questions 18 to 20./I(分数:3.00)(1).What is the main topic of the

9、 talk?(分数:1.00)A.How quartz sand is formed.B.How underground water differs.C.How rain is formed.D.How water tables change.(2).What characteristics of hard water does the speaker mention?(分数:1.00)A.It is undrinkable.B.It has minerals in it.C.It is slightly colored.D.It only tastes horrible.(3).What d

10、oes the speaker say about quartz?(分数:1.00)A.It usually absorbs mineral impurities.B.It is rarely found in sand dunes.C.It does not dissolve in water.D.It wears away other rocks.三、BPart C/B(总题数:1,分数:10.00)(1).When was the organization of Red Cross established?(分数:1.00)填空项 1:_(2).What did several coun

11、tries take part in in 1864?(分数:1.00)填空项 1:_(3).What happened to the Geneva Convention in 1949?(分数:1.00)填空项 1:_(4).How many members did the International Red Cross Society consist of?(分数:1.00)填空项 1:_(5).What are sent to the family members of both prisoners-of-war and civilians through Red Cross?(分数:1

12、.00)填空项 1:_(6).What work is the Red Cross also responsible for in time of peace in many countries?(分数:1.00)填空项 1:_(7).What were the Voluntary Detachments of Men trained for in Britain?(分数:1.00)填空项 1:_(8).When were the junior Red Cross Sections first formed?(分数:1.00)填空项 1:_(9).What did Clara Baron se

13、t up during the U. S. Civil War?(分数:1.00)填空项 1:_(10).When did Miss Barton retire from the leading office of Red Cross in U.S.A.?(分数:1.00)填空项 1:_四、BSection Use o(总题数:20,分数:20.00)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:_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

14、1:_填空项 1:_填空项 1:_五、BSection Readi(总题数:5,分数:5.00)21.The phrase “biological carbon copies“ (para. 4) refers to_ .(分数:1.00)A.physical characteristics of real market valueB.body tissuesC.cloned animalsD.stem cells22.When stem cells specialize, they _ .(分数:1.00)A.grow into body partsB.are destroyedC.are

15、set back to a pristine stateD.turn nose into kidney23.The author would most likely agree with which of the following statements?(分数:1.00)A.Human cloning is a technical impossibility.B.Human cloning may cause ethical concerns.C.Cloning contributes to understanding of stem cells.D.The potential medica

16、l values of cloning have been exaggerated.24.The reason a nose is not likely to turn into a kidney is that_ .(分数:1.00)A.cells in the nose do not contain instructionsB.a nose does not contain brain cellsC.instructions in a nose cell are inactivatedD.the stern cells have not been specialized25.The pas

17、sage mainly discusses _ .(分数:1.00)A.the cloning technologyB.types of body cellsC.stem ceilsD.methods of growing body tissues六、BTEXT 2/B(总题数:5,分数:5.00)26.The word “assembling“ in line 13 is closest in meaning to _ .(分数:1.00)A.announcingB.motivatingC.gatheringD.contracting27.Which of the following sta

18、tements about early American hotels is NOT mentioned in the passage?(分数:1.00)A.Travelers from abroad did not enjoy staying in them.B.Conventions were held in them.C.People used them for both business and pleasure.D.They were important to the community.28.The word “bound“ in line 1 is closest in mean

19、ing to_ .(分数:1.00)A.ledB.protectedC.tiedD.strengthened29.The National Republican Party is mentioned in line 7 as an example of a group _ .(分数:1.00)A.from BaltimoreB.of learned peopleC.owning a hotelD.holding a convention30.It can be inferred from the passage that early hotelkeepers in the United Sta

20、tes were_ .(分数:1.00)A.active politiciansB.European immigrantsC.professional buildersD.influential citizens七、BTEXT 3/B(总题数:5,分数:5.00)31.The main idea of the passage is about_ .(分数:1.00)A.the movement of glaciersB.icebergs as a source of fresh waterC.future water shortagesD.the future of the worlds ri

21、vers32.How are icebergs formed?(分数:1.00)A.They break off from glaciers.B.Seawater freezes.C.Rivers freeze.D.Small pieces of floating ice converge.33.According to the author, most of the worlds fresh water is to be found in_ .(分数:1.00)A.oceansB.riversC.glaciersD.reservoirs34.The word “it“ in line 2 r

22、efers to_ .(分数:1.00)A.an iceberg that is towedB.obtaining fresh water from icebergsC.the population of arid areasD.real life35.The word “desalination“ in the last sentence may mean_ .(分数:1.00)A.river freezingB.iceberg formingC.removing salt from waterD.iceberg floating八、BPart B/B(总题数:5,分数:10.00)填空项

23、1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_九、BPart C/B(总题数:10,分数:10.00)41.the climate affects the future sustainable agricultural development?(分数:1.00)填空项 1:_42.environmental control is related with the national revenues?(分数:1.00)填空项 1:_43.the environmental problems are not caused overnight?(分数:1.00)填空项 1:_44.a

24、 variety of species are on the decrease?(分数:1.00)填空项 1:_45.agriculture is also a factor for file degradation of environment?(分数:1.00)填空项 1:_46.pollution can be controlled by increasing the production cost of polluting goods?(分数:1.00)填空项 1:_47.pollution control needs the support of technology and tec

25、hniques?(分数:1.00)填空项 1:_48.pollution control needs the support of technology and techniques?(分数:1.00)填空项 1:_49.the degradation of environment causes the change of climate?(分数:1.00)填空项 1:_50.the approaches to research should be adjusted to the changing situation?(分数:1.00)填空项 1:_十、BSection Writi(总题数:1

26、,分数:25.00)51.It has been more than 30 years since man first landed on the moon. Some people think that space research is a waste of money. Discuss. You should write no less than 250 words. Write your article on ANSWER SHEET 2.(分数:25.00)_公共英语五级-50 (1)答案解析(总分:110.00,做题时间:90 分钟)一、BSection Liste(总题数:1,分

27、数:10.00)BPart A/BI You will hear a monologue about loneliness. As you listen, answer Questions 1 to 10 by circling True or False. You will hear the conversation ONLY ONCE.You now have 1 minute to read Questions 1 to 10./I(分数:10.00)(1).Psychologists say there are two different kinds of loneliness.(分数

28、:1.00)A.正确B.错误 解析:听力原文1-10 Most people feel lonely sometimes, but it usually lasts only between a few minutes and a few hours. This kind of loneliness is not serious. In fact, it is quite normal. For some people, though, loneliness can last for years. Psychologists are studying this complex phenonme

29、non in an attempt to better understand long-term loneliness. These researchers have already indentified three different types of loneliness. The first kind of loneliness is temporary, This is the most common type. It usually disappears quickly and does not require any special attention. The second k

30、ind, situational loneliness, is a natural result of a particular situation, for example, a divorce, the death of a loved one, or moving to a new place. Although this kind of loneliness can cause physical problems, such as headaches and sleeplessness, it usually does not last for more than a year. Si

31、tuational loneliness is easy to understand and to predict. The third kind of loneliness is the most severe. Unlike the second type, chronic loneliness usually lasts more than two years and has no specific cause. People who experience habitual loneliness have problems socializing and becoming close t

32、o others. Unfortunately, many chronically lonely people think there is little or nothing they can do to improve their condition. Psychologists agree that one important factor in loneliness is a persons social contacts, i. e. , friends, family members, coworkers, etc. We depend on various people for

33、different reasons. For instance, our families give us emotional support, our parents and teachers give us guidance, and our friends share similar interests and activities. However, psychologists have found that the number of social contacts we have is not the only reason for loneliness. It is more i

34、mportant how many social contacts we think or expect we should have. In other words, though lonely people may have many social contacts, they sometimes feel they should have more. They question their own popularity. Most researchers agree that the loneliest people are between the ages of 18 and 25,

35、so a group of psychologists decided to study a group of college freshmen. They found that more than 50 percent of the freshmen were situationally lonely at the beginning of the semester as a result of their new circumstances but had adjusted after a few months. Thirteen percent were still lonely aft

36、er seven months due to shyness and fear. They felt very uncomfortable meeting new people, even though they understood that their fear was not rational The situationally lonely freshmen overcame their loneliness by making new friends, but the chronically lonely remained unhappy because they were afra

37、id to do so. Psychologists are trying to find ways to help habitually lonely people for two reasons. First of all, they are unhappy and unable to socialize. Secondly, researchers have found a connection between chronic loneliness and serious illnesses such as heart disease. While temporary and situa

38、tional loneliness can be a normal, healthy part of life, chronic loneliness can be a very sad, and sometimes dangerous condition.(2).All kinds of loneliness last only a short time.(分数:1.00)A.正确B.错误 解析:(3).Temporary loneliness is very serious.(分数:1.00)A.正确B.错误 解析:(4).Divorce sometimes causes loneline

39、ss.(分数:1.00)A.正确 B.错误解析:(5).Loneliness can cause sleeplessness and headache.(分数:1.00)A.正确 B.错误解析:(6).Chronic loneliness usually lasts more than two years.(分数:1.00)A.正确 B.错误解析:(7).Lonely people have no social contacts.(分数:1.00)A.正确B.错误 解析:(8).The loneliest people are over 50 years old.(分数:1.00)A.正确B.

40、错误 解析:(9).Habitual loneliness can cause serious illness.(分数:1.00)A.正确 B.错误解析:(10).Temporary and situational loneliness are also considered as an unhealthy but normal part of life.(分数:1.00)A.正确B.错误 解析:二、BPart B/B(总题数:3,分数:10.00)I Questions 11 to 14 are based on the following talk on manufacturing. Yo

41、u now have 15 seconds read Questions 11 to 14./I(分数:4.00)(1).What role do most people in the manufacturing trades play?(分数:1.00)A.Designers.B.Supervisors.C.Assistants.D.Employees. 解析:听力原文11-14 Manufacturing includes all occupations that are involved in making products by hand or by machine. These pr

42、oducts range from simple plastic or wooden objects, such as clothespins or toothpicks, to highly complicated electronic computers. Manufactured goods also vary in size, from microscopic electronic parts to giant aircraft carriers and supertankers. About two-thirds of the workers in manufacturing act

43、ually make products. These employees include craft-workers, skilled and semiskilled workers, and unskilled laborers. Craft-workers are highly skilled in such trades as tool designing, tool and die making, and tailoring. Many craft-workers supervise other employees. Skilled workers, who include engra

44、vers, machinists, printers, and welders, use special job skills to make items or to operate machinery. Semiskilled workers include machine operators and assistants to skilled workers. Many semiskilled occupations require workers to repeat the same task again and again. Unskilled laborers perform job

45、s that require no special skills, such as sorting, packing, or moving materials. Most employees in manufacturing work in factories or shops. Common working conditions include high levels of dust, heat, or noise. Some factory jobs require great strength or standing for long periods. Many scientists,

46、engineers, and technicians also work in manufacturing. Scientists perform laboratory testes and other research to develop new products and improve old ones. Engineers design and test airplanes, automobiles, household appliances, machine parts, and countless other products. They also design production equipment and improved manufacturing techniques. Some technicians assist scientists and engineers. Others plan or su

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