新概念第二册lesson64-The-channel-tunnel(课堂PPT).ppt

Lesson64ThechanneltunnelListenandthenanswerthequestions:(Fora21-miletunnelundertheEnglishChannel.)WhatdidhesayitwouldbepossibletobuildinthecenteroftheChannel?(Aplatform.)Whatwouldthisplatformserveas?(Aportandarailwaystation.)Howwouldthetunnelbeventilated?(Tallchimneyswouldbebuiltabovesealevel.)Whoputforwardabetterplan?(WilliamLowedid.)Hewasn’tFrench,washe?(No,hewasn’t.)Whatdidhesuggestshouldbebuilt?(Adoublerailway-tunnel.)Whenwasatunnelactuallybegun?(In1902.)【Newwordsandexpressions】课文理解4.Thetunnelwouldbewell－ventilatediftallchimneyswerebuiltabovesealevel.如果再建些伸出海面的高大的烟囱状通风管，隧道就具备了良好的通风条件。7.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.drawin(=takein)吸入、吸进如用bring没有drawin形象、贴切Hislectureyesterdaydrewinalargecrowd.昨天他的演讲吸引了大批观众。drawinThetraindrewinandallthepassengersgotoff.火车到站了,所有的乘客都下了车。drawbackSheneverdrawsbackfromwhatshepromises.她从没食言过。drawupAnewwillhasbeendrawnup.新的遗嘱已拟好了。Wesawatruckdrawinguptoourbuilding.我们看到一辆卡车开到我们楼前停住。8.Forty－twoyearslateratunnelwasactuallybegun.42年以后，隧道实际已经开始建了。9.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.虚拟语气(非真实条件句)中，与现在事实相反，从句用一般过去时；与过去事实相反，从句用过去完成时，此时主句格式为wouldhavedone，would/could/should都可以情态动词加havedone表示对过去的推测，如musthavedone，can'thavedone等10.Theworldhadtowaitalmostanother100yearsfortheChannelTunnel.世界不得不再等将近100年才看到海峡隧道竣工。waitforsb.wait(for)sometimesIhavewaitedforyou(for)fiveminutes.Timeandtidewaitfornoman.时不我待。本课所需掌握词组：在中间inthecenterof用作。。。充当serveas在那时atthe/thattime提出计划putforwardaplan解决问题solveaproblem语法讲解虚拟语气虚拟语气在条件状语从句中的用法虚拟语气在非真实条件句中Suggest,demand,order,propose,insistcommand,request,desire后的宾语从句中：（should)+动词原形。Isuggestthatwe(should)setoffatonce.Idemandedthathe(should)answermeimmediately.Nowyoutry