雅思模拟试题6-阅读.docx

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1、ReadingTestALLANSWERSMUSTBEWRITTENONTHEANSWERSHEET.Thetestisdividedasfollows:ReadingPassage1Questions1to13ReadingPassage2Questions14to27ReadingPassage3Questions28to40Startatthebeginningofthetestandworkthroughit.Youshouldanswerallthequestions.Ifyoucannotdoaparti

2、cularquestionleaveitandgoontothenextone.Youcanreturntoitlater.TIMEALLOWED:60MINUTESNUMBEROFQUESTIONS:40READINGPASSAGE1Youshouldspendabout20minutesonquestions1-13.VinesintheskyAThefarmsofthefuturemaybebuiltrightinthecentreofyourcity.Suburbansprawlcombinedwiththe

3、vasteconomiesofscaleinoperationinagriculture,havetypicallydrivenfoodproductionfarfrompopulatedcentres,withanincreaseinthecostoftransportandriskofspoilageenroute.However,thedaysofmarketgardensontheedgesofurbanareassupplyingfreshfoodstraighttoyourtablemaysoonbeov

4、ermasscity-centrefarmingmaysoonreplacethem.Avisionarymicrobiologistandenvironmentallecturer,DicksonDespommierfromColumbiaUniversityinNewYorkseesourfuturecitiespopulatedbyanewkindofmarketgarden.Thecreatorofthisradical‘verticalfarming'ideadescribestheevolutionoft

5、heconceptfromanolderprojectinvolvingrooftopgardeninginManhattan.Whilethatwasinteresting,itcouldn'tbesustainedonamassscale.ButitplantedtheseedofanotherideaLookingatgreenhouseprojectsinNewYork.theresultingconceptwaslarge-scale,indoorurbanagricultureinskyscrapers.

6、BFollowingthis,DespommiersetupJaboratoryprojectsaimedatdifferentdesignchallengesandattractedawiderangeofenthusiasticcollaboratorsandcontributors.Hebelievesthisverticalfarmingmethodcouldbeasolutiontosomeoftheworld'smostpressingissues.Theworldpopulationisexpected

7、togrowbythreebillionto8.6billionoverthenexthalfcentury.Bythen,some80percentoftheworld'spopulationwillliveincities,andtheywillneedtoeat.Atthesametime,conventionalfarmandgrazinglandtakesupanenormousamountofspace,withoverone-thirdoftheworld'ssurfacecurrentlyusedfo

8、ragriculture.DespommierfiguresthatinthenextfivedecadesanareaofnewarablelandroughlythesizeofBrazilwillberequiredtofeedtheworld'sgrowingpopulation-landthatsimplydoesn'texist.C