专业英语四级-40及答案解析.doc
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1、专业英语四级-40及答案解析 (总分:100.00,做题时间:90分钟)一、完形填空(总题数:3,分数:100.00)The way that people spend their money, and the objects 1 which they spend it, are the last areas where free choice and individuality can be expressed. The choice reflects personal taste, 2 the way people see themselves and the fantasies they
2、 3 about their lives, the restrictions on money available 4 them, the presence of others in the family with a 5 on that money, and the influence of current convention, 6 surroundings and locality. Shopping is an important human activity. Yet shoppers are 7 with a confusing situation and a(n) 8 chang
3、ing one. The confusion arises from the claims 9 advertising, from inadequate information about new products, new materials, new places to shopa 10 enhanced by rising prices and a(n) 11 choice of goods than ever before. The search 12 the right purchase is based on ignorance of 13 own needs and ignora
4、nce of the products 14 for those needs. When choosing any particular 15 , there are several lines of communication which might provide some guidance. 16 none of these is entirely satisfactory. 17 , you can ask a shop assistant initially. 18 you find one, she may quite 19 not know the answers. She ma
5、y be a schoolgirl with a Saturday job, or a housewife 20 part-time.(分数:40.00)A.inB.toC.atD.onA.inB.toC./D.onA.imagineB.possessC.haveD.ownA.toB.forC.withD.ofA.rightB.demandC.requestD.claimA.growthB.upbringingC.cultivationD.expansionA.dealtB.facedC.copedD.greetedA.suddenlyB.instantlyC.rapidlyD.readily
6、A.made byB.seen inC.hinted atD.set inA.confusionB.pleasureC.depressionD.lonelinessA.amplerB.largerC.broaderD.widerA.fromB.intoC.forD.withA.theirB.onesC.hisD.herA.fitnessB.useC.valueD.worthA.propertyB.itemC.merchandiseD.belongingA.AndB.StillC.YetD.EvenA.As a resultB.For exampleC.YetD.AlsoA.Even ifB.A
7、lthoughC.BecauseD.WhileA.generallyB.automaticallyC.innocentlyD.genuinelyA.studyingB.practicingC.workingD.shoppingOur ape-men forefathers had no obvious natural weapons in the struggle 21 survival in the open. They had neither the powerful teeth nor the strong claws of the big cats. They could not 22
8、 with the bear, whose strength, speed and claws 23 an impressive small-fire weaponry. They could not even defend themselves 21 running swiftly like the horses, zebras or small animals. If the ape-men had attempted to compete on those terms 25 , they would have been 26 to failure and extinction. But
9、they were 27 with enormous concealed advantages of a kind not possessed by any of their competitors. In the search 28 the pickings of the forest, the ape-men had 29 efficient stereoscopic vision and a sense of colour that the animals of the grasslands did not possess. The ability to see clearly at c
10、lose range permitted the ape-men to study practical problems 30 that lay far 31 the reach of the original inhabitants of the grassland. Good long-distance sight was 32 another matter. Lack of long-distance vision had not been a problem for forest-dwelling apes and monkeys because the higher the view
11、point, the greater the range of sightso 33 they had had to do was climb a tree. Out in the open, however, this simple solution was not 34 . Climbing a hill would have helped, but in many places the ground was 35 . The ape-men 36 the only possible solution. They reared up as high as possible on their
12、 hind limbs and began to walk upright. This vital change of physical position brought about considerable 37 . It was extremely unstable and it meant that the already slow ape-men became slower still. 38 , they persevered and their bone structure gradually became 39 to the new, unstable position that
13、 40 them the name Homo Erectus, upright man.(分数:40.00)A.ofB.withC.forD.atA.matchB.compareC.rivalD.equalA.becameB.equippedC.posedD.providedA.inB.uponC.byD.withA.in the openB.in openC.at the openD.at openA.drivenB.doomedC.forcedD.ledA.bestowedB.givenC.presentedD.endowedA.forB.ofC.onD.atA.progressedB.g
14、eneratedC.developedD.advancedA.in a wayB.in wayC.in the wayD.in this wayA.fromB.apartC.beyondD.aboveA.ratherB.quiteC.muchD.reallyA.anythingB.thatC.everythingD.whatA.availableB.enoughC.sufficientD.convenientA.lowB.flatC.lowlandD.levelA.choseB.adoptedC.acceptedD.tookA.advantageB.advantagesC.disadvanta
15、geD.disadvantagesA.HoweverB.ThereforeC.MeanwhileD.SubsequentlyA.accustomedB.familiarizedC.adaptedD.suitedA.obtainedB.calledC.deservedD.earnedThe difference between a liquid and a gas is obvious 41 the conditions of temperature and pressure commonly found 42 of the Earth. A liquid can be kept in an o
16、pen container and 43 it to the level of a free surface. A gas forms no free surface but 44 to diffuse throughout the space available; it must 45 be kept in a closed container, as 46 a planets atmosphere. The distinction was a 47 feature of early theories 48 the phases of matter. In the nineteenth ce
17、ntury, for example, one theory maintained that a liquid could be dissolved in a vapor without losing its identity, and another theory held that the two phases are 49 different kinds of molecules. The theories now prevailing 50 a quite different approach by emphasizing 51 liquids and gases have in co
18、mmon. They are both forms of matter that have no permanent structure, and they both 52 easily. They are fluid. The 53 similarity of liquids and gases becomes clearly apparent when the temperature and pressure are raised somewhat. 54 a closed container partially filled with a liquid is heated. The li
19、quid expands, or 55 , becomes less dense; some of it evaporates. 56 , the vapor above the liquid surface becomes denser as the evaporated molecules are 57 it. The combination of temperature and pressure 58 the densities become equal is 59 the critical point. Above the critical point the liquid and t
20、he gas can no longer be 60 ; there is a single, undifferentiated fluid phase of uniform density.(分数:20.00)A.inB.onC.underD.beyondA.on the surfaceB.at the surfaceC.on surfaceD.at surfaceA.fillsB.be filledC.fillingD.to fillA.intendsB.tendsC.inclinesD.contendsA.howeverB.neverthelessC.soD.thereforeA.in
21、the event ofB.in the case ofC.with a view toD.with reference toA.notoriousB.leadingC.prominentD.outstandingA.having describedB.describedC.describingD.to have describedA.made up ofB.consisted ofC.constituted ofD.made fromA.applyB.adaptC.takeD.conductA.whichB.whatC.thatD./A.alterB.dissolveC.transformD
22、.flowA.elementaryB.crucialC.rudimentaryD.fundamentalA.SupposeB.To supposeC.Being supposedD.SupposedA.in a wordB.in the meantimeC.in other wordsD.in that caseA.SimilarlyB.In contrastC.FurthermoreD.InsteadA.added toB.added up toC.adding toD.adding up toA.on thatB.on whichC.at thatD.at whichA.knownB.de
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- 专业 英语四 40 答案 解析
