中考英语考前阅读理解强化训练题

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1、中考英语考前阅读理解强化训练Readingmaterial阅读理解(一)1.Unlesswespendmoneytospot(认出，发现)andpreventasteroids(小行星)now,onemightcrashintoEarthanddestroylifeasweknowit,saysomescientists.Asteroidsarebiggerversionsofthemeteoroids(流星体)thatraceacrossthenightsky.MostorbitthesunfarfromEarthanddon’tthreatenus.Buttherear

2、ealsothousandsofasteroidswhoseorbitsputthemonacollisioncoursewithEarth.But$500millionworthofnewtelescopesrightnow,thenspend$10millionayearforthenext25yearstolocatemostofthespacerocks.Bythetimewespotafatalone,thescientistssay,we’llhaveawaytochangeitscourse.Isitworthit?Twothingsexpertsconsid

3、erwhenjudginganyriskare(i)Howlikelytheeventis;(2)Howbadtheconsequencesiftheeventoccurs.ExpertsthinkanasteroidbigenoughtodestroylotsoflifemightstrikeEarthonceevery500,000years.Soundsprettyrarebutifonedidfall.Itwouldbetheendoftheworld.“Ifwedon’ttakecareofthesebidasteroids,they’lltakecareofus

4、,”saysonescientist.“it’sthatsimple.”Thecure,though,mightbeworsethanthedisease.Dowereallywantfleets(舰队，车队)ofnuclearweaponssittingaroundonEarth?“theworldhaslessfearfromdoomsday(毁灭性)rocksthanfromagreatnuclearfleetsetagainstthem.”SaidaNewYorkTimesarticle.1.Whatdoesthepassagesayaboutasteroidsan

5、dmeteoroids?A.Theyareheavenlybodiesdifferentincomposition.B.Theyareheavenlybodiessimilarinnature.C.Theyaremoreasteroidsthanmeteoroids.D.Asteroidsaremoremysteriousthanmeteoroids.2.WhatdoscientistssayaboutthecollisionofanasteroidwithEarth?A.Itisveryunlikelybutthedangerexists.B.Suchacollision

6、mightoccuronceevery25years.C.CollisionsofsmallerasteroidswithEarthoccurmoreoftenthanexpected.D.It’sstilltooearlytosaywhethersuchacollisionmightoccur.3.Whatdopeoplethinkofthesuggestionofusingnuclearweaponstoalterthecourseofasteroids?A.Itsoundspracticalbutitmaynotsolvetheproblem.B.Itmaycreat

7、emoreproblemsthanitmightsolve.C.ItisawasteofmoneybecauseacollisionofasteroidswithEarthisveryunlikely.D.Furtherresearchshouldbedonebeforeitisprovedapplicable.1.Wecanconcludefromthepassagethat__A.Whilepushingasteroidsoffcoursenuclearweaponswoulddestroytheworld.B