新概念第二册第71课课件.pptx

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1、AfamousclockBigBen大本钟简介英国伦敦著名古钟或称大本钟(BigBen)，是伦敦的传统地标。大本钟从1859年就为伦敦城报时，根据格林尼治时间每隔一小时敲响一次，至今将近一个半世纪，尽管这期间大本钟曾两度裂开而重铸。现在大本钟的钟声仍然清晰、动听。自从1859年投入使用后，英国政府每隔五年就要对大本钟实施维护，包括清洗钟体、替换大本钟的报时轮系和运转轮系等。名称由来大本钟得名于它在1859年修建时的建造者本杰明爵士(BenjaminHall)，故名“大本”。Onecan’tputbacktheclock.时钟

2、不能倒转。parliamentparliamentn.议会，国会theHousesofParliament国会大厦theBritishParliament英国国会accurateadj.准确的accuratetime准确的时间accuratelyadv.准确地，精确地observatoryn.天文台observevt.toseeornoticesb/sth看到,注意到，观察到Thepoliceobservedamanenterthebank.警察注意到一个男人走进了银行tomakearemark说话；评论Heobserved

3、thatitwasalovelyday.checkn/v.检查n.支票checkin登记Hehasjustcheckedinatthehotel.他刚刚在旅馆办好住宿手续。checkout检查出来v.检查Checkupallthewindowsbeforeyouleavetheoffice.n.检查Youshouldhaveahealthcheckeveryyear.Haveyoupassedthesecuritycheck?n.支票Couldyouhandmethecheckbookplease?towern.塔Langu

4、agepoints:1、WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.when引导的时间状语从句。visitsw.visitShanghaioneof+名词复数（前面可以用序数词，最高级等修饰）oneofthemostfamoussingeryouwillsee是定语从句，作things的定语。省略了that，只能用that.BigBen和thefa

5、mousclock同位语whichcanbeheard定语从句canbeheard情态动词的被动语态allovertheworldontheB.B.C(BritishBroadcastingCorporation)2、IftheHousesofParliamenthadnotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.If引导的非真实条件句对现在事情的虚拟：IfIwereinyourposition,Iwouldactdifferently.Ifyo

6、usawhimnowyouwouldn’trecognizehim.if+从句（一般过去时），主句（woulddo）对过去事情的虚拟：if+从句（过去完成时），主句(wouldhavedone）IfIhadworkedharderatschool,Iwouldhavegotabetterjob.错综时间下的用法：过去条件+现实情况Ifhehadtakenthedoctor’sadvice,heshouldnotbeillnow.要是当初听了医生的话，他现在就不会生病了。Ifthedoctorhadn’tcomeintime,

7、thepatientwouldbedeadbynow.大夫及时到了，病人得救了。“if”的省略条件句中的if在下列情况中可省略：If+主+had/were/shouldHad/were/should+主IfIwereinyourplace,Iwouldn’tdatehim.WereIinyourplace,Iwouldn’tdatehim.IfIhadknowntheplan,Iwouldhavegivenitmorecarefulthought.HadIknowntheplan,Iwouldhavegivenitmorec

8、arefulthought.Wish句IwishthatIwereastallasYaoMing.IwishIhadtoldyouthetruththeotherday.asif/asthough“好像”句HeactedasifhehadneverlivedinEnglandbefore.