浙江瑞安县高考英语二轮阅读理解精练1及答案

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1、浙江瑞安县2016高考英语（二轮）阅读理解精练（1）及答案【2016模拟题】阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。NASAhasrecentlyfoundatwinEarthintheMilkyWay.ScientistssaidtheplanetwastheclosesttoEarththathasbeenseen.Kepler452b,whichhasbeennamedEarth2,issixbillionyearsold.Ithasa385-dayyearandorbitsitsstaratthesamedistanceas

2、us.ItissolikeEarththatNASAbelievesitispossiblethatlifeonceinhabitedtheplanet.Kepler452bis60percentlargerindiameter（直径）thanEarth.ScientistssaythattheplanetreceivedthesamekindofsunshineaswedoonEarth・Thus,plantscouldsurviveiftakentotheplanet.Sincetheplanetis1.5billionyearsolderthanEarth

3、,scientistssayitcanshowapossiblefutureforearth."IfKepler452bisindeedarockyplanets,itslocationcouldmeanthatitisjustenteringanuncontrollablegreenhouseperiodofitsclimatehistory/SaidDougCaldwell,ascientistworkingontheKeplerMission.AccordingtoCaldwell,theincreasingenergyfromitsagingsunmig

4、htbeheatingthesurfaceandevaporatinganyoceans.Kepler452bcouldbeexperiencingnowwhatEarthwillundergomorethanabillionyearsfromnow,astheSunagesandgrowsbrighter.Thediscoveryalsogivesnewhopethatalien（夕卜星人）civilizationsmayexistbeyondtheSolarSystem・"Wewon'tbegoingtothisplanetbutourchildren'sc

5、hildrerfschildrenmightbe."saidJeffCoughlin,anotherresearchscientistontheKeplerMission.TheKeplerspacetelescope（太空望远镜）hasbeenlookingforsignsofnewworldsoutsidetheSolarSystemsinceMay2009,andhassofarfoundmorethan4,000planets・Butthoseplanetsareeithertoohotortoocoldtosustainlife.（注：KeplerMi

6、ssionNASA设计的发现类地行星的太空探索任务）1.ThefollowingstatementsaboutKepler452b（Earth2）areallcorrectexcept•A.Ithasexistedforsixbillionyears.A.Itis60%largerindiameterthantheearth.B.IthasalreadyenteredanuncontrollablegreenhouseperiodofitsclimatehistoryD・Itistheclosestplanettotheearth・1.Theimportsnee

7、ofthediscoveryofEarth2liesinthefactthatEarth2・①canshowalikelyfuturefortheearth②givesnewhopethataliencivilizationsmayexistbeyondtheSolarSystem③provesthatlifeonceinhabitedtheplanet④provesthatplantscansurviveonotherplanetsapartfromtheeartth・⑤isgoingthroughnowwhattheearthwillundergomoret

8、hanabilliony