2015河北省高邑县高考英语阅读理解一轮查漏补缺练习（6）及答案阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。InthelongdiscussionofwaterontheMoon,anewstudycontradicts(与……相矛盾)somerecentreportsthatsaytheMoonhadwateratthetimeofitsformation.AgroupofresearchersreportsinthejournalSciencethatwhentheMoonwascreated,some4.5billionyearsago,therewasnotmuchhydrogen(氢气)onit,andthereforenowater.TheresearcherssurveyedandevaluatedthisbyanalyzingchlorineisotopesfoundinlunarrocksamplesfromApollomissions.Therangeofchlorine(氯)isotopesinlunarsampleswas25timesthatfoundinsamplesfromEarth.“IftheMoonhadsignificantlevelsofhydrogen,asEarthdid,thisrangewouldhavebeenfarless,”saidZacharyD.Sharp,ascientistintheDepartmentofEarthandPlanetarySciencesandthestudy’sleadauthor.“Thechlorinewouldhavestucktogetherwithhydrogen,formingcompoundslikehydrogenchloride,andescapedfromtheMoon’ssurface,”hesaid.Theabundanceofchlorineindicatesalackofhydrogenandwater.“TheamountofwaterontheMoonwaswaytoolowforlifetohaveeverhavepossiblyhaveexistedthere,”hesaid.MostscientistsbelievetheMoonwasformedwhenalargeobjectstruckEarth,breakingoffachunk(avastpiece)thathassinceorbitedEarth.OnEarth,goesonetheory,waterwasreleasedassteamfrommoltenbasalts(玄武岩)overtime,eventuallyformingbodiesofwater.“AnunderstandingofwhethertheMoonwasdryorwetwillhelpusunderstandhowwaterappearedonEarth,”Dr.Sharpsaid.1.Anewstudyindicatesthatonthemoon.A.thereisplentyofwaterB.waterisunlikelytoexistC.waterexistedinthepastD.thereisalittlewaternow2.Theauthorwouldliketotellusthroughthesixthparagraph.A.whythereisnowaterontheMoonB.howtheMoonwasformedC.whentheEarthstrucktheMoonD.wheretheMoonorbited3.Whatdoestheunderlinedword“this”standforinthesecondparagraph?A.NeitherhydrogennorwaterontheMoon.B.ToomuchchlorineisotopesontheMoon.C.Notbeingmuchhydrogen,nowaterontheMoon.D.MorechlorineexistsontheMoonthanEarth.4.WhichofthefollowingisNOTTRUEaccordingtothepassage?A.ZacharyD.Sharp,ascientistofNewMexicowasinchargeofthenewstudy.B.Chlorineisotopesare25timesinlunarlargerthanEarth.C.Themoreabundant