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托福考试模拟预料题「最新」20xx托福考试模拟预料题「最新」20xx导语下面是为大家搜寻整理的关于托福考试最新模拟预料题,欢迎参考学习,希望对大家有所帮助!In Julyof1994,an astoundingseries ofevents tookplace.The worldanxiously watchedas,every fewhours,a hurtlingchunk of com#et plungedinto the atmosphereof Jupiter.All of the twenty-odd fragments,collectivelycalled com#et Shoemaker-Levy9after itsdiscoverers,were oncepart of the sameobject,now dismemberedandstrung outalong thesame orbit.This com#etarytrain,glistening likea stringof pearls,had beenfirstglimpsed only a fewmonths beforeits fatefulimpactwith Jupiter,and ratherquickly scientistshad predictedthatthe fragmentswere on a collisioncourse withthegiant planet.The impactcaused anexplosion clearlyvisiblefrom Earth,a brightflaming firethat quicklyexpandedas eachicy massincinerated itself.When eachfragmentslammed at60kilometers persecond into thedense atmosphere,its immensekinetic energywastransformed intoheat,producing asuperheated fireballthatwas ejected back through the tunnelthe fragmenthadmade afew secondsearlier.The residuesfrom theseexplosionsleft hugeblack markson theface of Jupiter,some ofwhich havestretched outto formdark ribbons.Although thisimpact eventwas ofconsiderablescientific import,it especiallypiqued publiccuriosity andinterest.Photographs ofeach collisionmade theeveningtelevision newscastand wereposted onthe Internet.This waspossibly themost openscientific endeavorinhistory.The faceof thelargest planetin thesolar systemwaschanged beforeour veryeyes.And forthe veryfirsttime,most ofhumanity cameto fullyappreciate thefactthat weourselves liveonasimilar target,a worldsubjectto catastropheby randomassaults fromcelestial bodies.That realizationwas asurprise tomany,but itshould nothavebeen.One ofthe greattruths revealedby thelastfewdecades ofplanetary explorationis thatcollisionsbetween bodiesof allsizes arerelatively commonplace,at leastin geologicterms,and wereeven morefrequentin theearly solarsystem.
1.The passagementions whichofthe following withrespecttothefragments ofcom#et Shoemaker-Levy9A Theywere oncecom#bine ina largerbody.B Someof themburned upbefore enteringtheatmosphere of Jupiter.C Someof themare stillorbiting Jupiter.D Theyhave anunusual orbit.
2.The wordcollectively in line3is closestinmeaning toArespectivelyB popularlyCalsoDtogether
3.The authorcom#pares thefragments ofcom#etShoemaker-Levy9to allofthefollowing EXCEPTAa dismemberedbodyB atrainC apearl necklaceDa giantplanet
4.Before com#et Shoemaker-Levy9hit JupiterinJuly1994,scientistsA hadbeen unawareof itsexistenceB hadbeen trackingit foronlyafew monthsChad observedits breakupinto twenty-oddfragmentsD haddecided itwould notcollide withthe planet
5.Before the com#et fragmentsentered theatmosphereofJupiter,they weremost likelyAinvisibleB blackCfrozenD exploding
6.Superheated fireballswere producedas soonasthe fragmentsofcom#et Shoemaker-Levy9A hitthe surfaceof JupiterBwere pulledinto JupitersorbitC wereejectedbackthroughthetunnelD enteredtheatmosphereofJupiter
7.The phraseincinerated itselfin line9is closestinmeaning toAburned upBbroke intosmaller piecesCincreased itsspeedD grewin size
8.Which ofthefollowingis mentionedas evidenceofthe explosionsthat isstill visibleon Jupiter⑻ice massesAfireballsC blackmarksD tunnels
9.Paragraph2discusses theimpact ofthecom#etShoemaker-Levy9primarily interms ofAits importanceas anevent ofgreat scientificsignificanceBits effecton publicawareness ofthe possibilityofdamage toEarthC thechanges itmade tothe surfaceofJupiterD theeffect ithad ontelevision broadcasting
10.The targetinline20most probablyreferredtoA EarthBJupiterC thesolar systemDa com#et ADDBCDACBA。