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1、1989年全国硕士研究生入学统一考试英语试卷SectionICloseTestForeachnumberedblankinthefollowingpassagetherearefourchoiceslabeled［A］,［B］,［C］and［D］.ChoosethebestoneandputyourchoiceintheANSWERSHEET.Readthewholepassagebeforemakingyourchoice.(10points)①Onedaydroughtmaybeathingofthepastatleastinc
2、oastalcities.②Vastareasofdesertthroughouttheworldmayforthefirsttime1andprovidemillionsofhectaresoflandwherenownothinggrows.③Bytheendofthiscenturythismaynotbemere2.④ScientistsarealreadylookingintothepossibilityofusingsomeoftheavailableiceintheArcticandAntarctic.⑤Inthese
3、regionstherearevastice-capsformedbysnowthathasfallenoverthepast50,000years.⑥Layer3layerofdeepsnowmeansthat,whenmelted,thesnowwaterwouldbepure,notsaltyassea-icewouldbe.⑦Thereissomuch4purewaterherethatitwouldneedonlyafractionofittoturnmuchofthedesertorpoorlyirrigatedpart
4、softheworldintorichfarmland.⑧Andwhatusefulpackagesitwouldcomein!⑨Itshouldbepossibletocutoffabitoficeandtransportit!⑩Alternativelyperhapsapassingicebergcouldbe5.Theyarealwaysbreakingawayfromthemaincapsandfloatingaround,pushedbycurrents,untiltheyeventuallymeltandarewaste
5、d.Manyicebergsare,ofcourse,fartoosmalltobetowed6distance,andwouldmeltbeforetheyreachedacountrythatneededthemanywhere.Itwouldbenecessarytolocateonethatwas7andthatwasbigenoughtoprovideagoodsupplyoficewhenitreachedus.Engineersthinkthataniceberguptosevenmileslongandoneanda
6、halfmileswidecouldbetransportedifthetugpullingitwasasbigasasupertanker!Eventhentheywouldcoveronlytwentymileseveryday.However,8theicebergwasatitsdestination,morethat7,000millioncubicmetresofwatercouldbetakenfromit!Thatwouldprobablybemorethanenoughforanymedium-sizedcitye
7、veninthehottestsummer!Butnodoubtausecouldbefoundforit.9,scientistsay,therewouldnotbetoomuchwastageinsuchajourney.Thelargertheiceberg,thesloweritmelts,evenifitistowedthroughthetropics.Thisisbecausewhenthesunhasabiggerareatowarm10,lessheatactuallygetsintotheiceberg.Theva
8、stfrozencentrewouldbeunaffected.[394words]1.［A］cometolife［B］comeintoexistence［C］comeintoactivity［D］comeround2.［A］spec
