七年级英语阅读理解试题及答案解析1教学文稿.doc

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1、七年级英语阅读理解试题及答案解析阅读理解(20分) 　　　　　　　　　　　　　　　　　　　　　　　A. 　　Theworldisnothungry,butitisthirsty.Itseemsstrangethatnearly3/4oftheearthiscoveredwithwaterwhilewesayweareshortof(短缺)water.Why?Becauseabout97%ofwaterontheearthisseawaterwhichwecan'tdrinkoruseforwateringplantsdirectly(直接地).Mancanonlydrinkandus

2、ethe3%-thewaterthatcomesfromriversandlakes.Andwecan'tevenuseallofthat,becausesomeofithasbeenpolluted(污染). 　　Nowmorewaterisneeded.Theproblemis:Canweavoid(避免)aseriouswatershortagelateron?First,weshouldalllearnhowtosavewater.Secondly,weshouldfindoutthewaystoreuseit.Scientistshavealwaysbeenmakingst

3、udiesinthefield.Today,inmostlargecitieswaterisusedonlyonceandthenrunstotheseaorrivers.Butitcanbeusedagain.Evenif(即使)everylargecityreuseditswater,stilltherewouldnotbeenough.Whatcouldpeopleturntonext? 　　Theseaseemstohavethebestanswer.Thereisalotofwaterinthesea.Allthatneedstobedoneistogetthesaltou

4、toftheseawater.Thisisexpensive,butit'salreadyusedinmanypartsoftheworld.Scientistsaretryingtofindacheaperwayofdoingit.Soyousee,ifwecanfindawayout,we'llbeinnodangerofdryingup. 　　1.Theworldisthirstybecause________. 　　A.3/4oftheearthiscoveredwithwater 　　B.wehaveenoughseawatertousedirectly 　　C.wehav

5、en'tusedallthewaterinriversandlakes 　　D.about97%ofwaterontheearthcan'tbedrunkorusedforwateringplantsdirectly 　　2.Whichofthefollowingistrue? 　　A.3%ofwaterontheearthisinriversandlakes. 　　B.75%ofwaterontheearthisthesea. 　　C.97%oftheearthiscoveredwithwater. 　　D.3%ofwaterontheearthisseawater.　　3.Fro

6、mthepassagewelearn_________. 　　A.ifeverycityreusesitswater,we'llbeinnodangerofdryingup 　　B.mancanonlydrinkanduseabout25%ofwaterontheearth 　　C.todayinmostlargecitieswaterisusedonlyonce 　　D.watercanbeusedonlyonce　　4.Toavoidtheseriouswatershortage,whichofthefollowingisthemostimportant? 　　A.Savewat

7、erandtrytomakegooduseofthewaterinriversandlakes. 　　B.Don'tpollutewaterandkeepallriversandlakesclean. 　　C.Makedirtywatercleanandthenreuseit. 　　D.Trytofindacheaperwaytogetthesaltoutoftheseawater.　　5.Thenameofthepassagewouldbe_______