阅读理解.Asweallknow,theMoonisthemoon(卫星)ofEarth,anditgoesaroundtheearth.Scientistshavealreadyknownalotaboutit,(A)butthey'vealwayswantedtoknowmoreaboutit.AndtheydecidedtosendmentotheMoon.They

　　阅读理解. Asweallknow,theMoonisthemoon(卫星)ofEarth,anditgoesaroundtheearth.Scientistshavealready

　　knownalotaboutit,(A)butthey'vealwayswantedtoknowmoreaboutit.Andtheydecidedtosendmento

　　theMoon.Theythinkit'sthebestwaytolearnmoreaboutthemoon.

　　Buthowdotheastronauts(宇航员)gettothemoon?Themoonisabout384,000kilometresawayfromthe

　　earth.Theycan'ttakeaplanetotheMoon.Butsomethingcanflyevenwhenthereisnoair.Thatisamanned

　　spacecraft(载人宇宙飞船).SeveralastronautshavebeentotheMooninthemannedspacecraft.1."it"insentenceArefersto(指得是)_____.[ ]

　　A.theplanets

　　B.theMoon

　　C.thesky

　　D.thestar

　　2.TheMoonis_____awayfromtheearth.[ ]A.over384,000kilometers

　　B.only384,000kilometers

　　C.about384,000kilometers

　　D.about348,000kilometers3.ThebestwaytolearnmoreabouttheMoonisto_____.[ ]A.sendmenthere

　　B.takephotosofit

　　C.liveonit

　　D.findanothermoon4.Theastronautshavebeentothemooninthe_____.[ ]A.plane

　　B.mannedspacecraft

　　C.spacestation

　　D.air5.Thebesttitleforthispassageis_____.[ ]A.TheMoon

　　B.Theexploration(探索)oftheMoon

　　C.MentotheMoon

　　D.Themannedspacecraft