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Lesson43Overthesouthpole单词学习•pole•flight•explorer•lie•serious•point•seem•crash•sack•clear•aircraft•endless•plainn.（地球的）极n.飞行n.探险家v.处于adj.严重的n.地点v.似乎v.坠毁n.袋子v.越过n.飞机adj.无尽的n.平原★polen.（地球的）极•theSouthPole南极•theNorthPole北极•PoleStar北极星★explorern.探险家,探测者,探测器•explorev.探险,探测,探究•explorationn.(科研相关)探险,探求,开发•adventuren.冒险(追求刺激)•venturen.冒险(为了财富)•★liev.处于•①vi.处于,位于(+地点)•现在这条山脉正位于我们的下面。•Themountainsliebelowusnow.•小镇位于伦敦的东部•ThetownliestotheeastofLondon.•②vi.躺，（平）卧•躺在床上•stayinbed=lieinbed•当我坐在篝火旁的时候，我的狗躺在我的旁边。•WhileIsatbythefire,mydoglaybesideme.•③vt.撒谎•tellalie撒谎•Youlied.=Youliedtome.你骗人!你撒谎!•You,liar!你,骗子!•④n.谎言★seemv.似乎，看起来•seem+asif看起来似乎……•他看起来似乎以前从来没有在英国居住过。•HeseemsasifhehadneverlivedinEnglandbefore.•seem+adj.•他看起来很有钱。•Heseemsrich.•seemtobe•Heseemstoberich.•seemthat…看起来似乎……•Itseemsthatheisrich.★clearv.越过•(凌空、不接触地)越过,跳过，没有接触面的飞跃•飞跃山峰•clearthemountain•那匹马越过了栅栏•Thehorseclearedthefence.•overadv.越过(距离)•goover飞跃★plainn.平原•plaingirl平凡的女孩•★crashv.坠毁crash(从上向下掉)aircrash空难strike撞击clash撞击,冲突•听录音，然后回答以下问题。•Howwastheplaneabletoclearthemountains?TheAmericanexplorerorderedhismentothrowouttwoheavyfoodsackssotheplaneroseto10000feet.•In1929,threeyearsafterhisflightovertheNorthPole,theAmericanexplorer,R.E.Byrd,successfullyflewovertheSouthPoleforthefirsttime.Though,atfirst,Byrdandhismenwereabletotakeagreatmanyphotographsofthemountainsthatlaybelow,theysoonranintoserioustrouble.Atonepoint,itseemedcertainthattheirplanewouldcrash.Itcouldonlygetoverthemountainsifitroseto10,000feet.Byrdatonceorderedhismentothrowouttwoheavyfoodsacks.•Theplanewasthenabletoriseanditclearedthemountainsby400feet.ByrdnowknewthathewouldbeabletoreachtheSouthPolewhichwas300milesaway,fortherewerenomoremountainsinsight.Theaircraftwasabletoflyovertheendlesswhiteplainswithoutdifficulty.课文讲解1、In1929,threeyearsafterhisflightovertheNorthPole,theAmericanexplorer,R.E.Byrd,successfullyflewovertheSouthPoleforthefirsttime.•forthefirsttime第一次•time表示“次，回”，还可以说•thistime，lasttime，nexttime，anothertime，eachtime，forthelasttime•我最后一次提醒你，如果你不快点，你就会赶不上火车的。•Iremindyouforthelasttimethatifyoudon’thurry,you’llmissthetrain.•下次你见到他的时候，把这些照片给他。•Givehimthesephotosnexttimeyouseehim.•（1）这句话包含两个同位语。threeyearsafter…为1929的同位语，作插入性的补充说明；R．E．Byrd作theAmericanexplorer的同位语。2、Though,atfirst,Byrdandhismenwereabletotakeagreatmanyphotographsofthemountainsthatlaybelow,theysoonranintoserioustrouble.•连词though引导让步状语从句，其含义是“虽然……，尽管……”。它永远不与but连用。•can...可能性（只用于现在式和过去式）•beableto...可能性,成功地做（可用于各种时态）•takeaphotographof…拍……的照片•在他离开家之前，他给他的房子照了张照片。•Hetookaphotographofhishousebeforehelefthome.•runintotrouble=getintotrouble遇到麻烦，陷入困境•每次他遇到困难了，他都向父母寻求帮助。•Eachtimeheranintotrouble,heaskedhisparentsforhelp.3、Atonepoint,itseemedcertainthattheirplanewouldcrash.•atonepoint在某一地方，在某一时刻（point也指时间上的某一点）•他曾一度下决心要当个画家。•Atonepoint,hemadeuphismindtobecomeapainter.•it为先行主语，真正的主语为that引导的从句。it作先行主语时经常与seem，appear，look等连用：•现在似乎可以肯定会议将被推迟。•Itnowlookscertainthatthemeetingisgoingtobeputoff.4、Itcouldonlygetoverthemountainsifitroseto10,000feet.•riseto…上升至……5、Theplanewasthenabletoriseanditclearedthemountainsby400feet.•by表示“相差，以……之差”的意思•我晚了10分钟，没赶上火车。•Imissedthetrainbytenminutes.•他比我小两岁。•Heisyoungerthanmebytwoyears.•…fortherewerenomoremountainsinsight.……因为前面再没有山了。•for表示“因为”。•insight表示“在看得见的范围内”、“在可看见之处”：•Nomanwasinsight.•一个人也看不见。Can和beableto的区别•can与beableto用法上的区别•口语中,can与beableto在用法上既有相同的一方面,又有不同的地方,这是应该引起注意的。当它们表示能力的时候，是同义的。如：•Hecanspeaktwoforeignlanguages.•Heisabletospeaktwoforeignlanguages.•表示过去通过努力终于做成了某事要用beableto，而不能用can。如：•Iwasabletoswimtothebankaftertheboatturnedover.•can和beableto都可以表示能力.can泛指一般的能力,而且只有两种形式,即:can,could．•beableto则主要指具体做到了某件事的能力，其形式主要是靠be发生变化，所以形式比can多．可以说：•Icanswim.Iamabletoswim.但是不能说：•Allthepeoplecouldescapefromthebigfireintime.只能说：Allthepeoplewereabletoescapefromthefireintime.•can能表猜测，beableto不能。can的这种用法主要用于疑问句和否定句。•Somebodyisknockingatthedoor.•Whocanitbe?•Itcan’tbeourteacherwhoisknockingatthedoor.•其肯定形式是mustbe。如:•Itmustbeourteacherwhoisknockingatthedoor.•.beableto后边接动词不定式表示一种实际情况时，其否定形式不是benotableto，而是cannot。如：•Wereyouabletocatchthefirstbusyesterdaymorning?•No,Icouldn’t.•7.一般说来,beableto后边的动词不定式没有被动语态。如:•I’msureheisabletocorrecthismistakesingrammar.不说:•*I’msurehismistakesareabletobecorrectedbyhim.Homework•1.听课文30分钟•2.朗读背诵43课，•3.抄写43课单词每个1遍,翻译1遍，默1遍完成课后43课课后练习•4.听写第43课，错词5111•5.总结归纳can和beableto的用法