新概念英语完整第三册Lesson-42ppt课件

Lesson42ModernCavemanByShelley,精选ppt,WithwhatdoesthewritercomparetheGouffreBerger?,TheGouffreBergerisaFrenchcavediscoveredon24May1953,byJosephBerger,Bouvet,RuizdeArcauteandMarcJouffray.,精选ppt,Contents,Or的含义,1,Itsdifficultforsbtodo升级,2,虚拟条件句的倒装,3,一个summary练习,4,精选ppt,WordsandExpressions,精选ppt,WordsandExpressions,精选ppt,WordsandExpressions,精选ppt,Text,Caveexploration,orpot-holing,asithascometobeknown,isarelativelynewsport.,精选ppt,Text,Perhapsitisthedesireforsolitudeorthechanceofmakinganunexpecteddiscoverythatluresmendowntothedepthsoftheearth.Threepassions,simplebutoverwhelminglystrong,havegovernedmylife:thelongingforlove,thesearchforknowledge,andunbearablepityforthesufferingofmankind.-WhatIHaveLivedforFromBertrandRussell-orthechancethattheymaymakeanunexpecteddiscoverythat,精选ppt,Text,Itisimpossibletogiveasatisfactoryexplanationforapot-holersmotives.,精选ppt,Text,我不能就为什么我爱她给出满意的解释。ItisimpossibleformetogiveasatisfactoryexplanationforthereasonwhyIloveher.,精选ppt,Text,Forhim,caveshavethesamepeculiarfascinationwhichhighmountainshavefortheclimber.Theyarouseinstinctswhichcanonlybedimlyunderstood.对于读者来说，书籍有一种特殊的魅力，就像电影对于影迷有特殊的魅力一样。Forthereaders,caveshavethesamepeculiarfascinationwhichhighmountainshaveforthemoviefans.,精选ppt,Text,ExploringreallydeepcavesisnotataskfortheSundayafternoonrambler.Itsdifficultforsbtodosth.Doingsthisnotataskforsb.L38Thehistoriansattemptingtoreconstructthedistantpastisalwaysfacedwithadifficulttask.,精选ppt,对Sb来说，很难做某事,精选ppt,Exercise,ItisdifficultforSamtofinishhisworkontime.Itisdifficultformetocatertoalltastes.Itisdifficultformanyuniversitygraduatestofindasatisfactoryjob.,精选ppt,Text,Suchundertakingsrequirethepreciseplanningandforesightofmilitaryoperations.involveconsiderableplanning,精选ppt,Text,Itcantakeaslongaseightdaystorigupropeladdersandtoestablishsupplybasesbeforeadescentcanbemadeintoaverydeepcave.Aslongas长达Aslongas只要Aslongagoas早在【L14】L20Overayearpassedbeforethefirstattemptwasmade.,精选ppt,Text,Precautionsofthissortarenecessary,foritisimpossibletoforetelltheexactnatureofthedifficultieswhichwillconfrontthepot-holer.L41Thecitydwellerneverexperiencesanxietiesofthissort.,精选ppt,Text,Thisimmensechasmhasbeenformedbyanundergroundstreamwhichhastunnelledacoursethroughaflawintherocks.TheentrancetothecaveisonaplateauintheDauphineAlps.Asitisonlysixfeetacross,itisbarelynoticeable.TheAlpsisoneofthegreatmountainrangesystemsofEurope,stretchingfromAustriaandSloveniaintheeastthroughItaly,Switzerland,LiechtensteinandGermanytoFranceinthewest.,精选ppt,Text,ThedeepestknowncaveintheworldistheGouffreBergernearGrenoble.Itextendstoadepthof3723feet.L17Thetowersrisetoaheightofnearly700feet.Ithasaspanof4,260feet.Theplatformsextendtoadepthofover100feetunderthesea.,精选ppt,精选ppt,Everest:thehighestmountainintheworld.EverestisintheHimalayas,himleiz喜马拉雅山脉,ontheborderbetweenTibetandNepal.Himalayas:theHimalayasalongrangeofmountainsinsouthernAsiawhichincludesthehighestmountainintheworld,MountEverest,andothermountainswhichonlyveryexperiencedclimberstrytoclimb,精选ppt,精选ppt,Text,ThecavemightneverhavebeendiscoveredhadnottheentrancebeenspottedbythedistinguishedFrenchpot-holer,Berger.Thecavemightneverhavebeendiscoverediftheentrancehadnotbeenspotted,精选ppt,if,靠谱,不靠谱,If+一般现在/过去时，将来时,If+did，情过do,If+过去完成时，情过havedone,If+did/should/weretodo,情过do,情态动词过去时：should/would/could/might,同步,先于,后于,精选ppt,虚拟条件句的倒装,IfIwereatschoolagain,Iwouldstudyharder.WereIatschoolagain,Iwouldstudyharder.Ifyouhadcomeearlier,youwouldcatchthebus.Hadyoucomeearlier,youwouldcatchthebus.Ifitshouldraintomorrow,wewouldnotgoclimbing.Shoulditraintomorrow,wewouldnotgoclimbing.否定形式：直接在主语后面加not,精选ppt,Exercise,_fired,yourhealthcareandotherbenefitswillnotbeimmediatelycutoff.A.WouldyoubeB.ShouldyoubeC.CouldyoubeD.Mightyoube_thisafternoon,youwouldhavetocomeagainnextweek.A.ThebosswerenottoreturnB.ThebossdidntreturnC.DidntthebossreturnD.Werethebossnottoreturn,B,D,精选ppt,Exercise,_forthefactthatshegothitbyacarandbrokeherlegonherwaytoschool,shemighthavepassedtheexam.A.HaditnotbeenB.HadntitbeenC.WereitnotD.Wasitnot,A,精选ppt,Text,Sinceitsdiscovery,ithasbecomeasortofpot-holersEverest.Thoughanumberofdescentshavebeenmade,muchofitstillremainstobeexplored.Friends皮特16:20,精选ppt,Reading-Summary(nomorethan4words),Beforetheteamapproaches1_,theywentdown2_ofthecave.Whattheydidincluded3_and4_.Thentheydiscovered5_.Theysatin6_toreachtheothersideofthelake,wearing7_.8_washeardbythem,createdby9_.By10_,theysawgreatstalgmites.11_wereeverywhereinthecavewithbeautiful