完形突破Passage Ten

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1、完形突破PassageTen　　Theamountofusablewaterhasalwaysbeenofgreatinterestintheworld.1springsandstreamssometimesmeanscontrol，particularlyinthe2areaslikethedesert.Thecontrolispossibleevenwithoutpossessionoflargeareasof3land.IntheearlydaysoftheAmericanWest，gunfightswerenot4forthewaterr

2、esources.Andlawshadtobe5toprotectthewaterrightsofthe6andtheuseofthewaterresourcesaccordingly.　　7isknowntousall，thereisnot8waterinallplacesforeveryonetouseasmuchashelikes.Decidingonthe9ofwaterthatwillbeusedinanyparticularperiod10carefulplanning，sothatpeoplecanmanageandusewater

3、more11.Farmershavetochangetheiruseofordemandforwater12thewatersupplyforecast.　　The13watersupplyforecastisbasedmoreonthewaterfromthe14thanfromthebelow.Interestis15inthewaystoincreaserainfallbyman-mademethods，andtogetwaterfromthewintersnowonmountain16.Withspecialequipment，somes

4、cientistsarestudyingthewaysinwhichthemountainsnowcanbe17，andwiththehelpofarepeaterstation，theysendthe18datatothebasestation.Theoperatoratthebasestationcangetthedataatany3timeby19abutton.Inthenearfuture，theforecastanduseofwater20probablydependontheadvanceknowledgeofsnowonmount

5、ains，notofwaterunderground.　　1.A.UsingB.HoldingC.OwningD.Finding　　2.A.dryB.distantC.desertedD.wild　　3.A.fineB.beautifulC.richD.farming　　4.A.unlawfulB.unacceptableC.unpopularD.uncommon　　5.A.madeB.designedC.signedD.written　　6.A.winnersB.settlersC.fightersD.supporters　　7.A.ThatB

6、.ItC.WhatD.As　　8.A.manyB.enoughC.anyD.much　　9.A.typeB.qualityC.amountD.level　　10.A.requestsB.requiresC.meansD.suggests　　11.A.effectivelyB.easilyC.convenientlyD.actively　　12.A.leadingtoB.duetoC.owingtoD.accordingto　　13.A.correctB.furtherC.averageD.early　　14.A.cloudsB.skyC.airD

7、.above　　15.A.raisingB.risingC.buildingD.lasting　　16.A.rocksB.tipsC.topsD.trees　　17.A.takencareofB.madeuseofC.piledupD.savedup　　18.A.pickedB.producedC.usedD.gathered　　19.A.touchingB.knockingC.pressingD.turning3　　20.A.mightB.canC.willD.should3