2022年职称英语考试《理工类》C类真题（阅读判断）.docx
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2022年职称英语考试《理工类》C类真题（阅读判断）.docx
2022年职称英语考试理工类C类真题（阅读判断）SoManyEarthsTheMilkyWay(银河)containsbillionsofEarth-sizedplanetsthatcouldsupportlife.That'sthefindingofnewstudy.ItdrawsondatathatcamefromNASA'stopplanet-huntingtelescope.AmechanicalfailurerecentlyputthatKepterspacetelescopeoutofservice.Keplerhadplayedabigroleincreatingacensusofplanetsorbitingsome170,000stars.Itsdatehavebeenhelpingastronomerspredicthowcommonplanetsareinourgalaxy.ThetelescopefocusedonhuntingplanetsthatmighthaveconditionssimilartothoseonEarth.TheauthorsofastudypublishedinTheProceedingsoftheNationalAcademyofSciencesconcludethatbetween14and30outofevery100starswithamassandtemperaturesimilartotheSunmayhostaplanetthatcouldsupportlifeasweknowit.SuchaplanetwouldhaveadiameteratleastaslargeasEarth'sbutnomorethantwicethatbig.Theplanetalsowouldhavetoorbitinastor'shabitablezone.That'swherethesurfacetemperaturewouldallowanywatertoexistasliquid.Thenewestimateofhowmanyplantesmightfittheseconditionscomesfromstudyingmorethat42,000starsandidentifyingsuitableworldsorbitingthem.Thescientistsusedthosenumberstoextrapolate(推算)totherestofthestarsthatthetelescopecouldnotsee.Theestimateisrough，theauthorsadmit.Ifappliedtothesolarsystem，itwoulddefineashabitableazonestartingascloseottheSunasVenusandrunningtoasfarawayasMars.NeitherplanetisEarthlike(althougheithermighthavebeeninthedistantpase).Usingtighterlimitstheresearchersestimatethebetween4and8outofevery100sunlikestarscouldhostanEarth-sizedworld.Theseareonesthatwouldtake200to400daystocompleteayearlyorbit.Fouroutofevery100sunlikestarsdoesn'tsoundlikeabignumber.ItwouldmeanhoweverthattheMilkyWaycouldhostmorethanabillionEarth-sizedplanetswithachanceforlife.1TheKeplerspacetelescpehasbeeninservicefor15yearsARightBWrongCNotmentioned查看原文2ThemaintaskoftheKeplerspacetelescopeistofindoutplanetswithsimilarconditionstoEarth's.ARightBWrongCNotmentioned查看原文3TheplanetthatcouldsupportlifemightbealittlebitsmallerthanEarth.ARightBWrongCNotmentioned查看原文4TheEarthisaplanetorbitingintheSun'shabitablezone.ARightBWrongCNotmentioned查看原文5Thenewfindingisbasedonathoroughstudyof170,000starsontheMilkyWay.ARightBWrongCNotmentioned查看原文6Theestimateofthenumberofplanetsthatcouldsupportlifeisnotveryaccurate.ARightBWrongCNotmentioned查看原文7Thisisthefirstresearchfindingabouttheplanetswithachanceforlife.ARightBWrongCNotmentioned查看原文第5页 共5页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页第 5 页 共 5 页
