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要求考生理解文章的基本结构是高考阅读理解题中的一个新考点。文章的基本结构就是指文章的文脉，即句与句、段与段之间的逻辑关系，或是前因后果，或是平铺直叙，或是前后通过某条主线按逻辑构成一个整体。文章的结构与作者的写作手法有关，因此有关写作手法的题，我们也归为这一类。提问方式1.Thepassageisdevelopedmainlyby________.2.Whichofthefollowingbestshowsthestructureofthepassage?1.了解文章的主要逻辑结构是解题的前提：①时空顺序。按时间先后叙述某一事物，或说明某一研究成果由过去至现在的发展情况，或按空间顺序说明某一事物。②总分顺序。首段作总的概括，其他段落分别加以说明或具体论述首段的观点。③分总顺序。前面几段分别说明，末段总结。④对比。这类文章通常以对比各事物之间的共同点或差异为主题。2.概括各段内容的主旨，然后分析相互之间的逻辑关系。(1)TheAfricanelephant,thelargestlandanimalremainingonearth,isofgreatimportancetoAfricanecosystem(生态系统).Unlikeotheranimals,theAfricanelephantistoagreatextentthebuilderofitsenvironment.Asabigplant-eater,itlargelyshapestheforest-and-savanna(大草原)surroundingsinwhichitlives,thereforesettingthetermsofexistenceformillionsofotheranimalsthatliveinitshabitat(栖息地).Itistheelephant’sgreatdesireforfoodthatmakesitadisturberoftheenvironmentandanimportantbuilderofitshabitat.Initscontinuoussearchforthe300poundsofplantsitmusthaveeveryday,itkillssmalltreesandunderbushes,andpullsbranchesoffbigtrees.ThisresultsinnumerousopenspacesinbothdeeptropicalforestsandinthewoodlandsthatcoverpartoftheAfricansavannas.Intheseopenspacesarenumerousplantsinvariousstagesofgrowththatattractavarietyofotherplant-eaters…(重庆)70.Thepassageisdevelopedmainlyby__________.A.showingtheeffectandthenexplainingthecausesB.pointingoutsimilaritiesanddifferencesC.describingthechangesinspaceorderD.givingexamplesA(2)Howcanacreatureweighingover5tonsandnormallytaking150kilogramsoffoodand120litersofwaterperdaysurviveinadesertenvironment?InthesouthwestAfricancountryofNamibia,andtheSaharalandsofMalifurthernorth,thedesertelephantdoesjustthat.…Desertelephantscantravelover70kilometersinsearchforfeedinggroundsandwaterholes,andhavealargergroupoffamilies.Theydrinkonlyevery3-4days,andcanstorewaterina“bag”atthebackoftheirthroat,whichisonlyusedwhenbadlyneeded.Desertelephantsarecarefulfeeders-theyseldomrootuptreesandbreakfewerbranches,andthusmaintainwhatlittlefoodsourcesareavailable.Yongelephantsmayeveneatthedung（粪便）ofthefemaleleaderofagroupwhenfacingfoodshortage.Duringdroughttheyareunlikelytogivebirthtotheiryoungbutwithgoodrainsthebirthratewillincreasegreatly.Desertelephantshavesandbaths,sometimesaddingtheirownurine(尿液)tomakethemmuddy!(湖北)67.Theauthoranswersthequestionraisedinthefirstparagraphwith________.A.storiesandexplanationB.factsanddescriptionsC.examplesandconclusionD.evidenceandargumentB(3)Armstrongshowedagreattalentformusicwhenhewastaughttoplaythecornet(短号)ataboy’shome.Inhislateteens,Armstrongbegantolivethelifeofamusician.Heplayedinparades,clubs,andonthesteamboatsthattraveledontheMississippiRiver.Atthattime,NewOrleanswasfamousforthenewmusicofjazzandwashometomanygreatmusicians.Armstronglearnedfromtheoldermusiciansandsoonbecamerespectedastheirequal.(陕西)42.Thisparagraphisdeveloped________.A.byspaceB.byexamplesC.bytimeD.bycomparisonC