高三英语限时阅读训练（一）完形填空(共20小题，每小题1分，满分20分)Thesedays,itiscommontosee5-gallonbottlesofwaterbeingsenttohomes.Supermarket41arefilledwithallkindsofbottledwaterfromsimple42bottlescontaining“purespringwater”toexpensiveforeigntypesofmineralwateringlassbottles.InEurope,bottledwaterisas43assoftdrinksareintheUnitedStates.Peoplearenotonlyinterestedinthedifferentchoicesofdrinks,butalsointhetasteofbottledwaterandits44value.Allbottledwatermust45thecontentofthewateronthebottle.Somecompanies46mineralstogivethewaterabettertaste.Butthetermmineralwateris47,becauseallwater—exceptspeciallypurifiedwater—containsminerals.48mustbemadetotellpeopleclearlywhatkindofwaterpeopleareexactlybuying:springwater,mineralwater,orpurifiedwater.Forexample,“springwater”willhavetocomefroma(n)49spring.Manypeoplechoosebottledwater50tapwater,becausethey51thesafetyofpublicdrinkingwater.Somepeopleworryaboutcitywater52.Weneedtopaycloseattentiontothecleanlinessofourdrinkingwater.Thegovernmentshouldberesponsiblefortapwater53.Itshouldbetestedandchecked54.Keepinmindthatbottledwateris55.Inmanycases,youarepayingforwaterthatisnotmuchdifferentfromtapwater.Ifyouarenotsureofthesafetyofyourtapwater,haveit56.Alocalhealthdepartmentcanbeof57.Comparedwiththecostofbottledwater,thetestingcostwillbelessexpensive.Lettingcoldwater58foraminuteorsobeforetakingadrinkorusingitinpreparingamealisagoodwayto59possiblewaterpollution,especiallyifthewaterhasbeen60foranhourormore.41.A.basketsB.windowsC.shelvesD.carts42.A.largeB.plasticC.coolD.cheap43.A.popularB.expensiveC.freshD.good44.A.natureB.trueC.faceD.health45.A.studyB.stickC.listD.print46.A.findB.addC.exploreD.mix47.A.mistakenB.misunderstoodC.misleadingD.misreading48.A.LawsB.NoticesC.ProductsD.Inventions49.A.nearbyB.hotC.undergroundD.overflowing50.A.withB.besidesC.beforeD.over51.A.considerB.trustC.doubtD.ensure52.A.suppliesB.pipesC.pollutionD.shortage53.A.producersB.riskC.elementsD.quality54.A.normallyB.regularlyC.repeatedlyD.instantly55.A.enoughB.excellentC.expensiveD.id