雅思阅读考试真题20.docx

雅思阅读考试真题20.docx

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雅思阅读考试真题20

雅思考试阅读模拟试题及答案解析六

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".Althoughitwilltakemoresophisticatedspacetelescopesplannedinthenext10years

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toconfirmthepresenceofanEarth-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,wi

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lllaunchTerrestrialPlanetFinder,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.Inthisway,astar’smass,ageandchemicalcompositioncanbecalculated.

AccordingtoProfRoxburgh,changesinlightcanbecausedbypassingplanetsorstar9.__________.Therelatedstatisticscangainusabetter10._

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_________ofthestarformationandevolvement.

Observatorieshavefoundmanyexoplanets,whichare11.__________otherstarsthantheSun.Thecommonwayusedinfindingexoplanetscanonlydetecthugegasplanets,whichdonot12.___________.

WiththelaunchingofDarwin,astronomerswillbeabletoanalysewhetherthoserockyplanetshave13.__________forlife.

Answerkeys:

1.答案:

A（第3段第1句:

Corot,shortforconvectionrotationandplanetarytransits,isthefirstinstrumentcapableoffindingsmallrockyplanetsbeyondthesolarsystem.A项中的certainplanets指smallrockyplanetsbeyondthesolarsystem.）

2.答案:

TRUE（第5段第1、2句:

Atthepresentmomentwearehopingtofindoutmoreaboutthenatureofplanetsaroundstarswhicharepotentialhabitats.Wearelookingathabitableplanets,notinhabitedplanets.问题中的“thatcanbeinhabited”意思就是inhabitable.）

3.答案:

NOTGIVEN（文中没有提及该信息。

）

4.答案:

TRUE（第7段第1句:

Tosearchforplanets,thetelescopewilllookforthedimmingofstarlightcausedwhenanobjectpassesinfrontofastar,knownasa"transit".）

5.答案:

FASLE（第7段第2、3句:

Althoughitwilltakemoresophisticatedspacetelescopesplannedinthenext10yearstoconfirmthepresenceofanEarth-likeplanetwithoxygenandliquidwater,Corotwillletscientistsknowwheretopointtheirlenses.）

6.答案:

rockyplanets（第8段第2句:

Itistherockyplanets-thatcouldbenobiggerthanabouttwicethesizeoftheEarth-whichwillcausethemostexcitement.）

7.答案:

40（第8段第3句:

Scientistsexpecttofindbetween10and40ofthesesmallerplanets.问题中短语“upto”的意思是“达到,高达”,所以应该选择最高的数字40。

）

8.答案:

interiors（第9段第1句:

Corotwillalsoprobeintostellarinteriorsbystudyingtheacousticwavesthatr

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ippleacrossthesurfaceofstars,atechniquecalled"asteroseismology".单词"probe”的词义是“探查,探索”。

）

9.答案:

oscillations（第11段第2句:

Smalloscillationsofthestaralsoproducechangesinthelightemitted,whichrevealwhatthestarismadeofandhowtheyarestructuredinternally.）

10.答案:

understanding（第11段第3句:

Thisdatawillprovideamajorboosttoourunderstandingofhowstarsformandevolve.）

11.答案:

orbiting（第12段第1句:

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

12.答案:

harbourlife（第13段:

Untilnowtheusualmethodoffindingexoplanetshasbeentodetectthe"wobble"theirgravityimpartsonparentstars.ButonlygiantgaseousplanetsbiggerthanJupitercanbefoundthisway,andtheyareunlikelytoharbourlife.）

13.答案:

atmospheres（第14段:

Inthe2010s,ESAplanstolaunchDarwin,afleetoffourorfiveinterlinkedspacetelescopesthatwillnotonlyspotsmallrockyplanets,butanalysetheiratmospheresforsignsofbiologicalactivity.）

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