江苏南通市2016高考英语阅读理解（二轮）基础题（4）及答案

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1、江苏南通市2016高考英语阅读理解（二轮）基础题（4）及答案2016高考英语阅读理解集训。阅读下列短文，从每题所给的四个选项（A、B、C、D）中，选出最佳选项。Washington:NASAhasannouncedevidencethatJupiter’slargestmoon，Ganymede,hasasaltwateroceanunderitsicysurface.TheoceanseemstohavemorewaterthanallthewateronEarth’ssurface，accordingtonewHubbleo

2、bservation.NewHubbleobservationsofGanymede'smagneticfieldstronglysuggestthatthemoon，whichisthelargestinourwholesolarsystem，ishometoasubsurfaceocean.Scientistsestimatetheoceanis95kilometresthick，whichisabout10timesdeeperthanEarth'soceans.Butunlikeoursaltywaters,Ganyme

3、de’soceanisburiedunder150kilometresofice.Whilescientistshavespeculated（推测）since1970saboutthepresenceofanoceanonGanymedethelargestmooninoursolarsystemuntilnowtheonlyobservationalevidencecamefromabriefflybybytheGalileospacecraft,whichdidn’tobservethemoonlongenoughtocon

4、firmaliquidocean.Thisdiscoverymarksanimportantmilestone,highlightingwhatonlyHubblecanaccomplished.Inits25yearsinorbit,Hubblehasmademanyscientificdiscoveriesinourownsolarsystem.AdeepoceanundertheicysurfaceofGanymedeopensupfurtherexcitingpossibilitiesforlifebeyondEarth

5、.ScientistshavealreadyconfirmedtheexistenceofanoceanonEuropa，anothermoonorbitingJupiter，andNASAhasannouncedplanstosendanunmannedmissiontheresearchingforthelifethatmightcomewithliquidwater.HubbleisatelescopethatorbitsEarth,butbecauseofitsimpressivegravitationalanalyse

6、sitcanbeusedtostudytheinsideoffardistantplanets.Usingthesesameprinciples，scientistscouldtheoreticallydetectoceansondistantplanetsaswell.28.WhatcanwelearnabouttheGanymedefromthepassage?A.Itisaplanetwiththelargestmooninourwholesolarsystem.B.Itsoceanaddstopeople’sexcite

7、mentaboutlifebeyondEarth.A.ItwillbeusedbyNASAasabasefortheHubbletelescope.B.ItsliquidoceanwasfirstprovedbytheGalileospacecraft.28.Whichofthefollowingbestdescribesthewriter’sattitudetowardsHubble?A.CautiousB.DoubtfulC.NegativeD.Favourable28.Whatdoestheunderlinedpartin

8、Paragraph6mean?A.AnundergroundoceanhasbeenfoundinEurope.B.ThepresenceofanundergroundoceaninEuropeisnotpossible.C.Itisnowcertainthat