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大学英语四级模拟题三(含答案)VIP免费

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大学英语四级模拟题三一二三四五六试卷总得分核查人PartOneReadingComprehension(2’×10=20’)Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecentre.PassageOneScientistsaretryingtomakethedesertsintogoodlandagain.Theywanttobringwatertothedesertssothatpeoplecanliveandgrowfood.Evenso,moreandmoreoftheearthisbecomingdesertallthetime.Why?Scientiststhinkthatpeoplemakedeserts.Peoplearedoingbadthingstotheearth.Somepeopleontheearthdonotgetverymuchrain.Yet,theystilldonotbecomedeserts.Thisisbecausetherearesomesmallgreenplantsgrowingthere.Plantshelpkeepwaterintheearth.Plantsdonotletthewindblowthedirtaway.Withoutplants,thelandcanbecomeadesertmuchmoreeasily.Amandecidestomakeafarminaverydryplace.Hedigsintheearthandtakesawaythegrassandplantsthatarealreadygrowingonthedryland.Hemakesafarm.Heputsplantsinrows.Thesunisveryhot.Itmakesthelandevendrier.Whentheraincomes,itrunsbetweentherowofplants.Itwashesthegooddirtaway.Whenthewindcomes,itblowsbetweentherowsofplants.Itblowsthegooddirtaway.Soonthelandisnotgoodenoughforafarmanymore.Themanletshisanimalseatalltheplantsonit.Nowthelanddoesnothaveanyplantsonit.Thesunandwinddrythelandandallofthegooddirtaway.Nowthelandisadesert.1.Adesertisprobably_____________.A.grassyB.wetC.treelessD.muddy2.Landisbecomingdesertbecauseoflackof_____________.A.rainB.peopleC.windD.plants3.WhichofthefollowingisNOTthereasonwhysmallgreenplantsareveryimportanttodryplaces?A.Theykeeptheearthfrombecomingevendrier.B.Theydonotletwindblowtheearthaway.C.Theyaddcolortothedryplaces.D.Theyholdwater.4.Itcanbeinferredfromthepassagethat_____________.A.itisbadtoplantinrowsinadryplaceB.itisbettertoraiseanimalsondrylandthantomakeafarmC.itisbadtomakeafarminadryplace,butitisgoodtoraiseanimalsthereD.alllandsthatdon’tgetverymuchrainaredeserts5.What’sthewriter’spurposeingivinganexampleoftheman?A.Tocriticizehim.B.Totellaninterestingstory.C.Toprovemanmakesdeserts.D.Toprovethehotsunmakesadesert.PassageTwoForyears,internationalswimminghasbeencontrolledbyasmallnumberofpowerfulnations.TheU.S.,Russia,GermanyandAustraliahaveproducedsomeofthesport’sfinestplayersandhavewonmostofthetopcompetitionsandmedals.Buttheresultsofthismonth’sworldchampionships,whicharebeingheldintheAustraliancityofPerth,willnotbesoeasytopredict.Sincethe1996OlympicsinAtlanta,manynewnamesandnationalitieshaveemergedtotakeontheworldleaders.The1996OlympicsshouldhavebeenanopportunityfortheU.S.todisplayitsgreatswimmingpower,butinsteaditfacedsomeembarrassingdefeats.Thesurprisesstartedonthefirstdayofthecompetitions,whenFredofBelgium(比利时)setaworldrecordinthecompetitionfor100-metresbreast-stroke(蛙泳).NeverbeforehadBelgiumproducedanOlympicchampionswimmer.Twoothercountriesalsowonswimminggoldmedalsforthefirsttimeontheopeningday.Ireland’sMichellSmithdelightedhercountrywithherfirstofherthreegoldmedals.NewZealandalsocelebratedwithDanyonLoader’sgoldinthemen’s200-metrefreestyle.Loaderwentontowinthe400meterslaterinthecompetition.Bylateonthesecondday,theU.S.team’sofficialsandcoacheswerestartingtobesurprised.PennyHeynsofSouthAfricahadbrokenthewomen’s100-metrebreast-strokerecordinthemorningcompetitionsbeforeclaiminggoldinthefinal.6.Itishardtopredi...

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大学英语四级模拟题三(含答案)

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