2019_2020学年高中英语Unit4Astronomythescienceofthestars练习新人教版必修3.doc

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1、Unit4　Astronomy：thescienceofthestarsⅠ.阅读理解(共15小题；每小题2分，满分30分)阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。AOfalltheplanets,nonehascapturedtheworld’simaginationlikeMars.Itsreddishcolorandchangesinbrightnessovertimemaketheplanetanunforgettablesight.InCosmos,thetelevisionscienceseri

2、esfromthe1980s,scientistCarlSagantalkedaboutsometraditionalideasaboutMars.SomeoftheseideasarefromtheEnglishsciencefictionwriterH．G.Well’sTheWaroftheWorlds.OthersarefromthemistakenscienceofPercivalLowell,theAmericanastronomerwhobelievedintelligentbeingslivedonMars.Well

3、sdescribedMartiansasthreatening.Lowellimaginedthemasthehopefulengineersofgreatworks.CarlSagansaidthatbothideasinfluencedthepublicdeeply.Today,Marscontinuestoexcitehumans—notastheobjectofsciencefictionbutofscientificstudy.Spacescientistshavecollectedawealthofinformatio

4、nfromspacecraftthathaveorbited,landedonanddugintotheMartiansurface.TheSmithsonian’sMarsDayofferedachanceforpeopleofallagestotouchMars,oratleastapieceofit.AllisonandAlyciafromSilverSpring,Maryland,broughttheirchildren,Grace,Sam,RyanandEmma.TheyheardaboutMarsanditsgeolo

5、gyfromexperts.TheycouldseeatestversionoftheVikingLandersthatreachedMarsinJulyof1976.Theyalsosawmeteorites(陨星)knowntohavecomefromthered,orreddishplanet.EightyearoldSamlearnedthattheancientdescriptionofMarsasredisnotexactlyright.Hesaid，“It’sactuallyorangishmorethanredan

6、dit’salsokindofbrown.”Emmaissix.ShelearnedaboutthevolcanicactivitythathasshapedthesurfaceofMars.Shesaid，“TheclosestthingtoMars—thestuff—isfromvolcanoesmostly.”MarsDayofferedAllisonandAlycia’schildrenachancetolearnmoreaboutaworldthattheyareverylikelytosetfootonwithinth

7、eirlifetimes.(　　)1.WhatisParagraph2mainlyabout?A．WhyMartianswereconsideredthreatening.B．WhyMarshascapturedtheworld’simagination.C．WhatpeoplegenerallythoughtofMarsinthepast.15D．HowH．G.Wellsgottheideaforhissciencefiction.(　　)2.ItisimpliedinParagraph3that______.A．today’s

8、spacescientistsstillknownothingaboutMarsB．today’sspacescientistsareveryinterestedinMarsC．sciencefictionfilmsarenolongersetin