2014年雅思阅读模拟试题及答案解析（6）.docx

2014年雅思阅读模拟试题及答案解析（6）.docx

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　　1.AEuropeanspacecrafttookofftodaytospearheadthesearchforanother"Earth"amongthestars.

　　2.TheCorotspacetelescopeblastedoffaboardaRussianSoyuzrocketfromtheBaikonurcosmodromeinKazakhstanshortlyafter2.20pm.

　　3.Corot，shortforconvectionrotationandplanetarytransits，isthefirstinstrumentcapableoffindingsmallrockyplanetsbeyondthesolarsystem.Anysuchplanetsituatedintherightorbitstandsagoodchanceofhavingliquidwateronitssurface，andquitepossiblylife，althoughaleadingscientistinvolvedintheprojectsaiditwasunlikelytofind"anylittlegreenmen".

　　4.DevelopedbytheFrenchspaceagency，CNES，andpartneredbytheEuropeanSpaceAgency（ESA），Austria，Belgium，Germany，BrazilandSpain，Corotwillmonitoraround120，000starswithits27cmtelescopefromapolarorbit514milesabovetheEarth.Overtwoandahalfyears，itwillfocusonfivetosixdifferentareasofthesky，measuringthebrightnessofabout10，000starsevery512seconds.

　　5."Atthepresentmomentwearehopingtofindoutmoreaboutthenatureofplanetsaroundstarswhicharepotentialhabitats.Wearelookingathabitableplanets，notinhabitedplanets.Wearenotgoingtofindanylittlegreenmen，"ProfessorIanRoxburgh，anESAscientistwhohasbeeninvolvedwithCorotsinceitsinception，toldtheBBCRadio4Todayprogramme.

　　6.ProfRoxburghsaiditwashopedCorotwouldfind"rockyplanetsthatcoulddevelopanatmosphereand，iftheyaretherightdistancefromtheirparentstar，theycouldhavewater".

　　7.Tosearchforplanets，thetelescopewilllookforthedimmingofstarlightcausedwhenanobjectpassesinfrontofastar，knownasa"transit".Althoughitwilltakemoresophisticatedspacetelescopesplannedinthenext10yearstoconfirmthepresenceofanEarth-likeplanetwithoxygenandliquidwater，Corotwillletscientistsknowwheretopointtheirlenses.

　　8.MeasurementsofminutechangesinbrightnesswillenablescientiststodetectgiantJupiter-likegasplanetsaswellassmallrockyones.Itistherockyplanets-thatcouldbenobiggerthanabouttwicethesizeoftheEarth-whichwillcausethemostexcitement.Scientistsexpecttofindbetween10and40ofthesesmallerplanets.

　　9.Corotwillalsoprobeintostellarinteriorsbystudyingtheacousticwavesthatrippleacrossthesurfaceofstars，atechniquecalled"asteroseismology".

　　10.Thenatureoftheripplesallowsastronomerstocalculateastar’sprecisemass，ageandchemicalcomposition.

　　11."Aplanetpassinginfrontofastarcanbedetectedbythefallinlightfromthatstar.Smalloscillationsofthestaralsoproducechangesinthelightemitted，whichrevealwhatthestarismadeofandhowtheyarestructuredinternally.Thisdatawillprovideamajorboosttoourunderstandingofhowstarsformandevolve，"ProfRoxburghsaid.

　　12.Sincethediscoveryin1995ofthefirst"exoplanet"-aplanetorbitingastarotherthantheSun-morethan200othershavebeenfoundbyground-basedobservatories.

　　13.Untilnowtheusualmethodoffindingexoplanetshasbeentodetectthe"wobble"theirgravityimpartsonparentstars.ButonlygiantgaseousplanetsbiggerthanJupitercanbefoundthisway，andtheyareunlikelytoharbourlife.

　　14.Inthe2010s，ESAplanstolaunchDarwin，afleetoffourorfiveinterlinkedspacetelescopesthatwillnotonlyspotsmallrockyplanets，butanalysetheiratmospheresforsignsofbiologicalactivity.

　　15.Ataroundthesametime，theUSspaceagency，Nasa，willlaunchTerrestrialPlanetFinder，anotherspacetelescopedesignedtolocateEarth-likeplanets.　ChoosetheappropriateletterfromA-Dforquestion1.

　　1.Corotisaninstrumentwhich

　　（A）canhelptosearchforcertainplanets

　　（B）isusedtofindplanetsintheorbit

　　（C）canlocateplanetswithhumanbeings

　　（D）canspotanyplanetswithwater.

　　Dothefollowingstatementsagreewiththeinformationgiveninthereadingpassage？

Forquestions2-5write

　　TRUEifthestatementagreeswiththeinformation

　　FALSEifthestatementcontraictstheinformation

　　NOTGIVENifthereisnoinformationonthisinthepassage

　　2.Scientistsaretryingtofindoutabouttheplanetsthatcanbeinhabited.

　　3.BBCRadio4recentlyfocusesonthebroadcastingofCorot.

　　4.Passingobjectsmightcauseafallinlight.

　　5.CorotcantellwhetherthereisanotherEarth-likeplanet.

　　Basedonyourreadingofthepassage，completethesentencesbelowwithwordstakenfromthepassage.UseNOMORETHANTHREEWORDSforeachanswer.

　　Withmeasurements，scientistswillbeabletosearchforsomegaseousandrockyplanets.Theywillbeextremelyexcitediftheycandiscoversomesmall6.__________，theexpectednumberofwhichcouldbeupto7.__________.

　　Corotwillenablescientiststostudythe8.__________ofstars.