新概念第二册lesson64(共44张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。drawin
Thetraindrewinandallthepassengersgotoff.
火车到站了,所有的乘客都下了车。
drawback
Sheneverdrawsbackfromwhatshepromises.
她从没食言过。drawup
Anewwillhasbeendrawnup.
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)sometimes
Ihavewaitedforyou(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