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    公共英语四级-27及答案解析.doc

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    公共英语四级-27及答案解析.doc

    1、公共英语四级-27 及答案解析(总分:100.00,做题时间:90 分钟)一、BSection Liste(总题数:1,分数:5.00)BPart A/B I You will hear a passage about women s rights. Listen and complete the sentences in questions 1-5 with the information you have heard. Write not more than 3 words in each box. You will hear the recording twice. You now ha

    2、ve 25 seconds to read the sentences in question./I(分数:5.00)(1)._ make it possible for astronauts to reach the moon.(分数:1.00)填空项 1:_(2).Rockets first used in war in _.(分数:1.00)填空项 1:_(3)._ discovered liquid fuel as a fuel for rockets.(分数:1.00)填空项 1:_(4).The first liquid-fuelled rocket can fly _.(分数:1

    3、.00)填空项 1:_(5).The passage is mainly about _.(分数:1.00)填空项 1:_二、BPart B/B(总题数:1,分数:5.00)(1).How many famous explorers are mentioned in this passage? Who are they?(分数:1.00)填空项 1:_(2).What did Richard Byrd do to become a famous explorer?(分数:1.00)填空项 1:_(3).Who sent unmanned spacecrafts to the moon in t

    4、he 1950s and 1960s?(分数:1.00)填空项 1:_(4).When did the first manned spacecraft leave earth for the moon?(分数:1.00)填空项 1:_(5).What are the planets man might visit someday?(分数:1.00)填空项 1:_三、BPart C/B(总题数:3,分数:10.00)I Questions 11-13 are based on the following passage. You now have 15 seconds to read quest

    5、ions 11-13./I(分数:3.00)(1).According to the talk it is a common sense that _.(分数:1.00)A.Deer are vegetarians.B.Deer are carnivores.C.Deer eat raw foods only.D.Deer are both vegetarians and carnivores.(2).What will be eaten by the white-tailed deer?(分数:1.00)A.Small plants.B.Small animals.C.A kind of f

    6、ish.D.A kind of flower.(3).When were these white-tailed deer introduced to the island?(分数:1.00)A.In 1926.B.In 1826.C.In 1962.D.In 1862.I Questions 14-16 are based on the following dialogue. You now have 15 seconds to read questions 14-16./I(分数:3.00)(1).When did the person suffer from the computer re

    7、lated disease?(分数:1.00)A.At the age of 7.B.At the age of 8.C.At the age of 9.D.At the age of 18.(2).When will the boy probably act?(分数:1.00)A.He receives the instruction from computers.B.He receives the instruction form human beings.C.He can judge the meaning from the ambiguous words.D.He can tolera

    8、te the interactions of human beings.(3).What is the feature of those kids like when they are growing up?(分数:1.00)A.Their health is going to be developed.B.They are going to develop the machine standard.C.They will no linger be computer-obsessed kids.D.They are going to gain a close access to human e

    9、motion.I Questions 17-20 are based on the following passage. You now have 20 seconds to read questions 17-20./I(分数:4.00)(1).How to get over the first step to write a letter?(分数:1.00)A.You consider that you owe somebody a letter.B.You consider that letters are gifts.C.You consider that writing letter

    10、s makes you feel cheerful.D.You should feel shamed that you haven t answered a letter.(2).When should a letter be considered obligatory?(分数:1.00)A.When you make friends.B.When you receive a gift.C.When you want to visit your friends.D.When you havent answered a letter for a long time.(3).What is sug

    11、gested if you want to keep your friends?(分数:1.00)A.Write letters carefully.B.Write letters promptly.C.Write letters with a lot of information.D.Write letters with a proper style.(4).What should be considered the most important when you write a letter?(分数:1.00)A.Clarity.B.Dramatic effect.C.Informatio

    12、n.D.Grammar and style.四、BSection Use o(总题数:20,分数:20.00)A.systemB.shockC.deviceD.operationA.caughtB.sufferedC.passedD.avoidedA.destroyedB.disintegratedC.dismemberedD.damagedA.quicklyB.naturallyC.peacefullyD.comfortablyA.struggleB.surviveC.stayD.endureA.heartB.liverC.brainD.nervesA.deadB.neglectedC.al

    13、iveD.revivedA.paralysedB.authenticateC.intoxicatedD.deliberateA.dislikesB.provesC.supportsD.disputesA.exceptB.butC.andD.insteadA.similarB.criticalC.seriousD.crucialA.had had toB.had toC.has had toD.has toA.peacefulB.unconsciousC.painfulD.harmlessA.not tryB.tryC.not to tryD.to tryA.emergencyB.urgency

    14、C.crucialD.immediacyA.littleB.muchC.someD.suchA.sawB.knewC.admittedD.nursedA.donatedB.chargedC.lentD.sparedA.subsequenceB.influenceC.punishmentD.consequenceA.conditionB.verdictC.preferenceD.wishes五、BSection Readi(总题数:5,分数:5.00)21.The main task now facing ecologists, environmental activists and conse

    15、rvationists is _.(分数:1.00)A.to prevent pollution by legislation, economic incentives and persuasionB.to arouse public awareness of the importance of environmental protectionC.to take radical measures to control environmental pollutionD.to improve the quality of life by enforcing environmental standa

    16、rds22.We can infer from the first two paragraphs that the industrialists disregard environmental protection chiefly because _.(分数:1.00)A.they are unaware of the consequences of what they are doingB.they are reluctant to sacrifice their own economic interestsC.time has not yet come for them to put du

    17、e emphasis on itD.it is difficult for them to take effective measures23.Which of the following is true according to the last paragraph?(分数:1.00)A.Efforts should be exerted on pollution prevention instead of on remedial measures.B.More money should be spent in order to stop pollution.C.Ordinary citiz

    18、ens have no access to technical information on pollution.D.Environmental degradation will be stopped by the end of this decade.24.The word “tunnel-visioned“ (Line 2, Para. 4) most probably means“ _ “.(分数:1.00)A.narrow-mindedB.blind to the factsC.short-sightedD.able to see only one aspect25.Which of

    19、the following, according to the author, should play the leading role in the solution of environmental problems?(分数:1.00)A.Legislation and government intervention.B.The industrys understanding and support.C.The efforts of environmental health professionals.D.The cooperation of ecologists, environment

    20、al activists and conservationists.六、BText 2/B(总题数:5,分数:5.00)26.Conrad and his group of AI researchers have been making enormous efforts to _.(分数:1.00)A.find a roundabout way to design powerful computersB.build a computer using a clever network of switchesC.find out how intelligence developed in natu

    21、reD.separate the highest and most abstract levels of thought27.Which of the following is closest in meaning to the phrase the only game in town“(Line 3, Para. 4) ?(分数:1.00)A.The only approach to building an artificially intelligent computer.B.The only way for them to win a prize in artificial intell

    22、igence research.C.The only area worth studying in computer science.D.The only game they would like to play in town.28.Whats the authors opinion about the new AI movement?(分数:1.00)A.It has created a sensation among artificial intelligence researchers bu will soon die out.B.Its a breakthrough in dupli

    23、cating human thought processed.C.Its more like a peculiar game rather than a real scientific effort.D.It may prove to be in the right direction though nobody is sure of its future prospects.29.The new trend in artificial intelligence research stems from _.(分数:1.00)A.the shift of the focus of study o

    24、n to the recognition of the shapes of objectsB.the belief that human intelligence cannot be duplicated with logical, step-by-step programsC.the aspirations of scientists to duplicate the intelligence of a ten-month-old childD.the efforts made by scientists in the study of the similarities between tr

    25、ansistors and brain cells30.The author says that the powerful computers of today _.(分数:1.00)A.are capable of reliably recognizing the shape of an objectB.are close to exhibiting humanlike behaviorC.are not very different in their performance from those of the 50sD.still cannot communicate with peopl

    26、e in a human language七、BText 3/B(总题数:5,分数:5.00)31.Which of the following is within the capacity of the artificial nose being developed?(分数:1.00)A.Performing physical examinations.B.Locating places which attract terrorists.C.Detecting drugs and water contamination.D.Monitoring food processing.32.The

    27、authors attitude towards Larry Myers work is _.(分数:1.00)A.cautiousB.approvingC.suspiciousD.overenthusiastic33.A potential problem which might be caused by the use of an artificial nose is _.(分数:1.00)A.negligence of public safetyB.an abuse of personal freedomC.a hazard to physical healthD.a threat to

    28、 individual privacy34.The word “logged“ (Line 5, Para. 6) most probably means “_ “.(分数:1.00)A.presetB.enteredC.processedD.simulated35.To produce artificial noses for practical use, it is essential _.(分数:1.00)A.to develop microchips with thousands of odor receptorsB.to invent chips sensitive to vario

    29、us chemicalsC.to design a computer program to sort out smellsD.to find chemicals that can alter the electrical current passing through八、BText 4/B(总题数:5,分数:5.00)36.It was claimed that the new laws passed during the Roosevelt Administration were aimed at _.(分数:1.00)A.reducing the cost of farmingB.cons

    30、erving soil in the long-term interest of the nationC.lowering the burden f farmersD.helping farmers without shifting the burden onto other taxpayers37.The Agricultural Adjustment Act encouraged American farmers to _.(分数:1.00)A.reduce their scale of productionB.make full use of their landC.adjust the

    31、 prices of their farm productsD.be self-sufficient in agricultural production38.What brought about the decline in the demand for American farm products?(分数:1.00)A.The impact of the Great Depression.B.The shrinking of overseas markets.C.The destruction caused by the First World War.D.The increased ex

    32、ports of European countries.39.The chief concern of the American government in the area of agriculture in the 1920s was_.(分数:1.00)A.to increase farm productionB.to establish agricultural lawsC.to prevent farmers from going bankruptD.to promote the mechanization of agriculture40.The Supreme Court rej

    33、ected the Agricultural Adjustment Act because it believed that the Act _.(分数:1.00)A.might cause greater scarcity of farm productsB.didn t give the Secretary of Agriculture enough powerC.would benefit neither the government not the farmersD.benefited one group of citizens at the expense of others九、BP

    34、art B/B(总题数:5,分数:15.00)_十、BSection Writi(总题数:1,分数:25.00)46.Outline:Your essay should be based on the information given below 乘飞机旅行有许多长处(方便、快捷、省时、舒适等)。 空中旅行也有许多不足之处(机票价格贵,有的旅客不适应空中旅行,常常感到身体不适,甚至有人还担心发生空难)。请你简单阐述上述两个方面。 最后请你说明你的看法。(分数:25.00)_公共英语四级-27 答案解析(总分:100.00,做题时间:90 分钟)一、BSection Liste(总题数:1,分

    35、数:5.00)BPart A/B I You will hear a passage about women s rights. Listen and complete the sentences in questions 1-5 with the information you have heard. Write not more than 3 words in each box. You will hear the recording twice. You now have 25 seconds to read the sentences in question./I(分数:5.00)(1

    36、)._ make it possible for astronauts to reach the moon.(分数:1.00)填空项 1:_ (正确答案:Rockets)解析:听力原文Questions-The astronauts could not have reached the moon without the invention of rockets. We live in the age of rockets, but do you know that rockets are not a modem invention? For centuries, rockets were us

    37、ed to entertain people. The Chinese used rockets for fireworks. In the 13th certury, rockets were first used in war. The Mongols used rockets to attack a Chinese city in 1232. These early rockets could not travel very far. However, in 1885 a Russian scientist discovered a better fuel for rockets. Th

    38、is liquid fuel gave rockets much more power. Then in 1919 a new age of rockets began. In that year an American scientist, Robert Goddard, said that it was possible to send a rocket to the moon! Goddard launched his first liquid-fuelled rocket in 1923. It flew 184 feet. Al most 12 years later, he sen

    39、t a rocket 7,500 feet into the air in 1935. Russian rockets sent the first satellite into orbit in 1957. Just 12 years later the first man walked on the moon thanks to rockets! Where will rockets take us next?(2).Rockets first used in war in _.(分数:1.00)填空项 1:_ (正确答案:1232)解析:(3)._ discovered liquid f

    40、uel as a fuel for rockets.(分数:1.00)填空项 1:_ (正确答案:A Russian scientist)解析:(4).The first liquid-fuelled rocket can fly _.(分数:1.00)填空项 1:_ (正确答案:184 feet)解析:(5).The passage is mainly about _.(分数:1.00)填空项 1:_ (正确答案:The Development of Rockets)解析:二、BPart B/B(总题数:1,分数:5.00)(1).How many famous explorers are

    41、mentioned in this passage? Who are they?(分数:1.00)填空项 1:_ (正确答案:Three: Marco Polo, Christopher Columbus and Richard Byrd.)解析:听力原文Qustions-Through history there have been many great explorers. Have you, for example, heard of Mar co Polo, the famous Italian traveller? He was one of the first Europeans

    42、to travel to China. He arrived in China in the late 13th century. About 200 years later Christopher Columbus sailed from Spain by ship. He was looking for a new way to reach India. However, as you probably know, he did not reach India. He landed in America. Five hundred years after Columbus, in the

    43、1930s, a famous explorer named Richard Byrd was one of the first persons to fly over both the North and the South Poles.Today we continue to explore this world, and are starting to explore other worlds, too. In the late 1950s and the 1960s Russian and American scientists sent many unmanned spacecraf

    44、ts to the moon. These spacecrafts sent back valuable information about the moon. Then on July 16,1969, the first manned spaceship to the moon left earth. On that day Apollo 11 blasted off with three American astronauts on board. Four days after blast-off, two of the astronauts landed on the moon. Th

    45、ey then explored the surface of the moon. About two days after landing on the moon, they started back to earth. They arrived safely back to earth a few days later.Today we are sending unmanned spacecrafts to other planets. In the future we might walk in Mars or Venus the way we did on the moon. We m

    46、ight even travel to other galaxies! Who knows? One thing we know for sure is that we will continue to explore this world and other worlds, too.(2).What did Richard Byrd do to become a famous explorer?(分数:1.00)填空项 1:_ (正确答案:He flew over both the North and the South Poles in the 1930s.)解析:(3).Who sent unmanned spacecrafts to the moon in the 1950s and 1960s?(分数:1.00)填空项 1:_


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