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1、2019-2020年高考英语二轮复习历史类阅读理解选练（5）【xx高考英语河南省开封市一模】阅读下列短文，从每题所给的A.B.C和D项中，选出最佳选项。Onaclearnight,theskyisawonderfulthing.Istherelifeouttheresomewhere?IsthereanotherplacelikeEarthwherelifemightexist?Ifso,whereisit?Andhowfarawayisit?Recently,theAmericanKeplerspacecraftfound"22b",aplanetaboutsi
2、xhundredlightyearsaway.Itisthefirstplanetina"habitablezone"outsidethesolarsystem.ThatmeanstheplanetorbitsastarlikeourSun,butitisnottooclosetoit,nortoofaraway.Becauseofthisposition,scientistssayKepler22bmighthavewater,oneofthemainthingsneededforlife.Thenewly-discoveredplanetisabouttwoa
3、ndahalftimeslargerthantheEarth.ItisclosertoitsstarthanwearetotheSun,but22b'ssunissmallerthanours,anddoesn’tproduceasmuchheat.Scientificinstrumentsshowthenewplanetcouldbemadeofgases,rocksorsomekindsofliquids.TheKeplerspacecraftwasnamedinhonorofJohannesKepler,theseventeenthcenturyGerman
4、astronomer.ItwasdesignedtoexamineasmallpartoftheMilkyWaygalaxyandsearchforplacesliketheEarth.Itwasmadetoinspectover150,000starsandmeasurehowbrighttheyare.Itlookstoseeifastar'sbrightnessgetslessoverashorttime.IfaplanetpassesbetweenKeplerandthestar,itblocksoutpartofthelight.Thatiswhatsu
5、ggestedtoscientiststhatthereisatleastoneplanetorbitingthestar.TheinstrumentsonKeplershowthenewplanetasasmall,blackdotmovingacrossitssun.AnimportantpartoftheKeplerexperimentisontheEarth.Afterthespacecraftgathersinformation,scientistsusethespacetelescopesontheground.Scientistshavefoundo
6、ver2,300newplanetssinceKeplerwaslaunched.About200oftheseareaboutthesizeoftheEarth.Mostaremuchlarger,butitisthenewplanet'sdistancefromitsstarthatisimportant.Forlifetopossiblyexistthere,theplanet'stemperaturemustnotbetoohotortoocold.63.WhatcanwelearnaboutKepler-22b?A.Watermusthavebeenex
7、istedonit.B.Ittakeshumansabout600yearstogetthere.C.Itismadeofgases,rocksandmanykindsofliquids.D.Itisthefirstplanetinouterspacewherelifemaysurvive.64.TheKeplerspacecraftwassentintospaceto______.A.showhonortoJohannesKeplerB.lookforEarth-likeplanetsintheskyC.observethechangesofastar'sbri
8、ghtne
