中考英语考前阅读理解强化训练题.doc

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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.MostorbitthesunfarfromE

2、arthanddon’tthreatenus.ButtherearealsothousandsofasteroidswhoseorbitsputthemonacollisioncoursewithEarth.But$500millionworthofnewtelescopesrightnow,thenspend$10millionayearforthenext25yearstolocatemostofthespacerocks.Bythetimewespotafatalone,thescientistssay

3、,we’llhaveawaytochangeitscourse.Isitworthit?Twothingsexpertsconsiderwhenjudginganyriskare(i)Howlikelytheeventis;(2)Howbadtheconsequencesiftheeventoccurs.ExpertsthinkanasteroidbigenoughtodestroylotsoflifemightstrikeEarthonceevery500,000years.Soundsprettyrare

4、butifonedidfall.Itwouldbetheendoftheworld.“Ifwedon’ttakecareofthesebidasteroids,they’lltakecareofus,”saysonescientist.“it’sthatsimple.”Thecure,though,mightbeworsethanthedisease.Dowereallywantfleets(舰队，车队)ofnuclearweaponssittingaroundonEarth?“theworldhasless

5、fearfromdoomsday(毁灭性)rocksthanfromagreatnuclearfleetsetagainstthem.”SaidaNewYorkTimesarticle.1.Whatdoesthepassagesayaboutasteroidsandmeteoroids?A.Theyareheavenlybodiesdifferentincomposition.B.Theyareheavenlybodiessimilarinnature.C.Theyaremoreasteroidsthanme

6、teoroids.D.Asteroidsaremoremysteriousthanmeteoroids.2.WhatdoscientistssayaboutthecollisionofanasteroidwithEarth?A.Itisveryunlikelybutthedangerexists.B.Suchacollisionmightoccuronceevery25years.C.CollisionsofsmallerasteroidswithEarthoccurmoreoftenthanexpected

7、.D.It’sstilltooearlytosaywhethersuchacollisionmightoccur.3.Whatdopeoplethinkofthesuggestionofusingnuclearweaponstoalterthecourseofasteroids?A.Itsoundspracticalbutitmaynotsolvetheproblem.B.Itmaycreatemoreproblemsthanitmightsolve.C.Itisawasteofmoneybecauseaco

8、llisionofasteroidswithEarthisveryunlikely.D.Furtherresearchshouldbedonebeforeitisprovedapplicable.1.Wecanconcludefromthepassagethat__A.Whilepushingasteroidsoffcoursenuclearweaponswoulddestroytheworld.B