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1、2019-2020年高考英语一轮复习话题语篇专攻练13史地博览二外研版Ⅰ.阅读理解A Nottoobig,nottoosmall.Nottoohot,nottoocold.Anewlydiscoveredplanetlooksjustrightforlifeasweknowit,accordingtoaninternationalgroupofastronomers.Circlingastarabout500lightyearsaway,theplanetcalledKepler-186fisaboutthes
2、amesizeasEarth.Itgoesrounditsstarattherightdistanceforliquidwateronthesurface.Thatisanecessaryconditionforlife.ButitisnotexactlylikeEarth,it’smoreofanEarth’scousin.It’snotanEarth’stwin.ItsharesthesamecharacteristicsasEarth,buttheirparentstarsareverydifferent.
3、Kepler-186fcirclesastarthatissmallerandcoolerthanoursun.Buttheplanetappearstobeacloserrelativethanmostofthehundredsofothersdiscoveredsofar.Somearehugegas-coveredgiantswiththickatmospheres.Otherscircletoocloselytotheirstarsandaretoohotforlife.Forthefirsttime,w
4、ecanactuallysaywenowhaveaplanetthatisbothEarth-sizedandcirclesinitsstar’slivablezone.Thenextstepwouldbetolookforsignsoflifeintheatmospheresofthesedistantworld.Thatwouldtakeamoreadvancedtelescope.Butbudgetcutsthreatenthattask,saysUniversityofCaliforniaatLosAng
5、elesastrophysicistBen.“Intheory,wecoulddothisinthenextcoupleofdecades.Butinpractice,becausethere’snomoney,it’snotgoingtohappen.It’snotgoingtohappeninmylifetime,forexample,”saidBen.However,NASA’sElisaQuintanabelievesthatwhenthenext-generationspacetelescopeisus
6、ed,itwillfindthatwearenotaloneintheuniverse.Inthemeantime,thesearchcontinuesforotherworldswherelifemayfindahome.【文章大意】本文介绍了一个新发现的适合生命生存的星球。1.Whatdoweknowaboutthenewlydiscoveredplanet?A.Itwasdiscoveredbychance.B.Ithassomeformoflifeonit.C.Ithassuitablecondition
7、sforlife.D.Itisanordinaryplanetlikeothers.【解析】选C。细节理解题。根据第一段Anewlydiscoveredplanetlooksjustrightforlifeasweknowit...可知,这个星球适合生命生存。2.ThedifferencebetweenEarthandKepler-186fisthat______.A.theycircledifferentparentstarsB.theycameintobeingatdifferenttimesC.theymo
8、veinspaceatadifferentspeedD.theyorbittheirstarsatadifferentdistance【解析】选A。细节理解题。根据第二段ItsharesthesamecharacteristicsasEarth,buttheirparentstarsareverydifferent.可知它们的不同在于——它们围绕着不同的恒星旋转。3.Th
