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学而思网校初中英语：阅读理解(59)Thewaterandthelandarethoughtpartoftheearthsurface(表面).Theairis1thoughtakindofblanket(毯子)2theearth.Butitis3thanthat.Maybeyouhavebeeninacave(洞穴)4intheearth.Didyouthinkabouttheairthatwasinthecave?Thelandhassomeairmixedinit.Airisevenmixed5thewaterinthesea.Theseexamplesshowthatsomeairis6theearth’ssurfaceaswellasaboveit.Menonce7thattherewerefourbasicthingsfromwhicheverythingelsewasmade.They8thesethings-earth,fire,airandwaterthefourelements(元素).9manmademoreobservations,they10thatfirewasnotanelement.11theyconcluded(得出结论)thatland,airandwaterwerenotelements,12.13,therearemorethan100elementsfromwhichscientistsbelieveallthingsaremade.14land,airandwaterarenotelements,theyarethreemainpartsofman’senvironment(环境).Youwill15moreaboutthemasyoustudytheearth.1.A.usuallyB.seldomC.neverD.sometimes2.A.aboveB.aroundC.acrossD.among3.A.betterB.moreC.lessD.worse4.AwideB.highC.longD.deep5.A.atB.inC.withD.to6.A.belowB.beforeC.betweenD.beside7.A.foundB.thoughtC.knewD.understood8.A.calledB.toldC.nameD.said9.A.ThatB.ForC.AsD.So10.A.believeB.plannedC.decidedD.want11.A.EndB.AtlastC.HardlyD.Nearly12.A.tooB.neitherC.alsoD.either13.A.TrueB.ReadC.InfactD.Correctly14.A.WhenB.AsC.SinceD.Though15.A.examB.studyC.exerciseD.know学而思网校名师点评本篇着重介绍与人们的生活休戚相关的地球、水、空气以及人们对它们的认识过程。这是一篇说明文，文章浅显易懂。答案简析1.A。空气通常被看成是裹在地球外表的毯子。2.B。3.B。morethan固定短语“不仅仅”。4.D。根据常识，洞穴当然在地球的深处。5.C。固定短语bemixedwith。6.A。与下文中above的意思相反，即在地表之下。7.B。人们误以为，事实并非如此。8.A。他们“称之为……”told,said都不准确，而name的时态不对。9.C。这里的as有“随着”的意思，相当于when。10.C。此处decided意为“得出结论”。believe很具有迷惑性，但其时态不对。特别要当心呀。11.B。最终得出结论。另外三个选择都很显然不对。12.D。either用于否定句，“也不”的意思。13.C。无论是语法结构还是意思只有Infact对。14.D。尽管它们不是元素，但他们是人类环境的三个主要部分。15.D。你会对它们了解得更多。