吉林白城市2016高考英语二轮阅读理解训练及答案

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1、吉林白城市2016高考英语二轮阅读理解训练及答案2016高考训练题。阅读理解。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。Anewplanet-huntingtechniquehasdetectedthemostearth-likeplanetyetaroundastarotherthanoursun,raisinghopesoffindingaspacerockthatmightsupportlife,astronomers（天文学家）reportedrecently.“Thisisanimportantdiscoveryto

2、answerthequestion‘Arewealone?”’saidMichaelTurneroftheNationalScienceFoundation.“Theteamhasdiscoveredthemostearth-likeplanetyet，andmoreimportantly,hasprovedthepowerofanewtechniquethatissensitive（灵敏的）todelectingplanetsthatarefitforpeopletoliveon，”Turnersaidinastatement.Inthelastdec

3、ade，astronomershavedetectedmorethan160planetsmovingaroundstarsoutsideoursolarsystem.MostofthesehavebeengasgiantplanetslikeJupiter,whichareunfitforlife.Butaninternationalteamhasdetectedacoldplanetabout5.5timesmoremassivethantheearth—stillsmallenoughtobeconsideredearth-like—movinga

4、roundastarabout20,000lightyearsaway，closetothecenteroftheMilkyWay.Tofindthisnewplanet，theteamusedatechniquecalledgravitationalmicrolensing（引力微观透镜去）.Whenaplanetiscirclingthecloseststar，theplanet’sgravitycanadditsownsignaturetothelight.ThiskindoflightsignaturewasobservedonJuly11bya

5、groupoftelescopesinaprojectknownasOGLE，shortforOpticalGravitationalLensingExperiment.“Themainadvantageofmicrolensingisthesignalsforlow-massplanets:They’renotweaksignals.They’rejustrare，”BennettoftheUniversityofNotreDameinIndianasaidbytelephone.“Iftherehappenstobeastraightlinebetw

6、eenaforegroundstarwithitsplanetandthebackgroundsourcestar，thenyou’reabletodetectthatplanet.”1.Theunderlinedword“detected”inParagraph1probablymeans“A.discoveredB.destroyedC.createdD.searched2.Theauthor’spurposeinwritingthispassageisto.A.provethatscientistshavealotofdifficultiesind

7、oingscientificresearchB.explainwhythisplanetmovesaroundastarlikeoursunC.teachthereaderssomebasicknowledgeabouttheuniverseD.tellpeopleaboutanewtechniquethatfindsthemostearth-likeplanetmovingroundanotherstar3.Fromthenewsreportwecaninferthat.A.theplanetisliketheearthbecauseitisclose

8、tothecenteroftheMilkyWayB.itisquitepossi