新概念第二册-第71课-PPT优秀PPT.pptx

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1、大本钟简介大本钟简介英国伦敦著名古钟或称大本钟英国伦敦著名古钟或称大本钟(Big Ben)，是伦敦的传统地标。是伦敦的传统地标。大本钟从大本钟从1859年就为伦敦城报时，依据格林年就为伦敦城报时，依据格林尼治时间每隔一小时敲响一次，至今将近一个半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旧清晰、好听。自从在大本钟的钟声仍旧清晰、好听。自从1859年年投入运用后，英国政府每隔五年就要对大本钟实投入运用后，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施维护，包括清洗钟体、

2、替换大本钟的报时轮系和运转轮系等。和运转轮系等。名称由来名称由来大本钟得名于它在大本钟得名于它在1859年修建时的建立者本年修建时的建立者本杰明爵士杰明爵士(Benjamin Hall)，故名，故名“大本大本”。One cant put back the clock.时钟不能倒转。parliamentparliament n.议会，国会议会，国会the Houses of Parliament 国会大厦国会大厦the British Parliament 英国国会英国国会accurate adj.精确的精确的accurate time 精确的时间精确的时间accurately adv.精确地，

3、精确地精确地，精确地observatory n.天文台天文台observe vt.to see or notice sb/sth 看到看到,留意到，视察到留意到，视察到The police observed a man enter the bank.警察留意到一个男人走进了银行警察留意到一个男人走进了银行 to make a remark 说话；评论说话；评论 He observed that it was a lovely day.check n/v.检查检查 n.支票支票check in 登记登记 He has just checked in at the hotel.他刚刚在旅馆办好住宿

4、手续。他刚刚在旅馆办好住宿手续。check out 检查出来检查出来v.检查Check up all the windows before you leave the office.n.检查You should have a health check every year.Have you passed the security check?n.支票Could you hand me the checkbook please?tower n.塔塔1、When you visit London,one of the first things you will see is Big Ben,the

5、 famous clock which can be heard all over the world on the B.B.C.when 引导的时间状语从句。引导的时间状语从句。visit sw.visit Shanghai one of+名词复数名词复数（前面可以用序数词，最高级（前面可以用序数词，最高级等修饰）等修饰）one of the most famous singer you will see 是定语从句是定语从句，作，作things 的定语。省的定语。省略了略了that，只能用，只能用that.Big Ben 和和the famous clock 同位语同位语which can

6、 be heard 定语从句定语从句 can be heard 情态动词的被动语态情态动词的被动语态all over the world on the B.B.C(British Broadcasting Corporation)2、If the Houses of Parliament had not been burned down in 1834,the great clock would never have been erected.If 引导的非真实条件句引导的非真实条件句对现在事情的虚拟：对现在事情的虚拟：If I were in your position,I would ac

7、t differently.If you saw him now you wouldnt recognize him.if+从句（一般过去时），主句（从句（一般过去时），主句（would do）对过去事情的虚拟：对过去事情的虚拟：if+从句（过去完成时），从句（过去完成时），主句主句(would have done）If I had worked harder at school,I would have got a better job.l错综时间下的用法：过去条件错综时间下的用法：过去条件+现实状况现实状况 lIf he had taken the doctors advice,he sh

8、ould not be ill now.要是当时听了医生要是当时听了医生的话，他现在就不会生病了。的话，他现在就不会生病了。l lIf the doctor hadnt come in time,the patient would be dead by now.大夫刚大夫刚好到了，病人得救了。好到了，病人得救了。l“ifif”的省略的省略条件句中的条件句中的if在下列状况中可省略：在下列状况中可省略：If+主+had/were/shouldHad/were/should+主If I were in your place,I wouldnt date him.Were I in your pla

9、ce,I wouldnt date him.If I had known the plan,I would have given it more careful thought.Had I known the plan,I would have given it more careful thought.lWish句I wish that I were as tall as Yao Ming.I wish I had told you the truth the other day.las if/as though“似乎”句He acted as if he had never lived i

10、n England before.3、Big Ben takes its name from Sir Benjamin Hall who was responsible for the making of the clock when the new Houses of Parliament were being built.take its name from 以以命名命名The Hubble telescope takes its name from Hubble.Sir Benjamin Hall sir+人的全名人的全名 表示表示爵士。爵士。Sir Walter Scott who引导

11、的定语从句引导的定语从句be responsible for 为为负责负责She is my child,and I am responsible for her.她是我的孩子她是我的孩子,我对她负责。我对她负责。the making of the clock=making the clock when 引导的时间状语从句引导的时间状语从句4、It is not only of immense size,but is extremely accurate as well.not only but as well 不但不但而且而且be+of+n.用来表示人或物的特征。用来表示人或物的特征。We

12、are of the same age.This letter is of great importance.extremely accurate 极其精确极其精确 （副词修饰形容词）（副词修饰形容词）quite sure 特别确信特别确信5、On the B.B.C.you can hear the clock when it is actually striking because microphones are connected to the clock tower.Big Ben has rarely gone wrong.Once,however,it failed to give

13、 the correct time.strike v.敲钟，打，打击（敲钟，打，打击（struck,struck)connect to the clock tower 钟塔钟塔rarely adv.几乎不几乎不 go wrong（with sth.)出错，出故障出错，出故障 fail to do sth.没有做某事，未履行做某事，没有做某事，未履行做某事，失败做某事失败做某事give the correct time 赐予正确的时间赐予正确的时间go wronggo wrong（机器等）发生故障（机器等）发生故障/出毛病出毛病 My My watch/the watch/the engine

14、engine of of the the car car has gone wrong.has gone wrong.Something Something has has gone gone wrong wrong with with my my car.car.6、A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!who 引导的定语从句引导的定语从句had been doing 过去完成进行时过去完成进行时hang sth.on sth

15、.a pot of paint one of the hands slow down He slowed his car down while driving in heavy traffic.1.Big Ben was built _A.for the B.B.C.B.after a fireC.In honour of Sir Benjamin HallD.long before 18342.Accuracy is maintained _A.By microphones in the clock towerB.By workmenC.Because the clock is at Gre

16、enwich ObservatoryD.By officials who check the clock frequentlyWhich radio station can it be heard on?What happened to the Houses of Parliament in 1843?How big is the clock?official n.官员，高级官员官员，高级官员official from sw.来自来自的官员的官员officials from Greenwich Observatory 来自于格林尼治天文台的官员们来自于格林尼治天文台的官员们have sth.d

17、one 使使被被I have my hair cut.I have the car repaired.twice a day 一天两次一天两次 official,employee,shop assistant official:官员，公务员，高级官员，公务员，高级官员官员 employee:雇员，雇工雇员，雇工 （包括各个阶层）（包括各个阶层）shop assistant:零售店的零售店的“店店员员”salesclerk (美美)1.The Customs _ asked me several questions.2.Over a thousand factory _ went on stri

18、ke.3.She works as a _in a clothing store.4.The _ who served me was very helpful.officialemployeesshop assistant hang-hanged-hanged v.绞死，吊死，上吊绞死，吊死，上吊 hang-hung-hung v.悬挂悬挂 Im hanging this picture on the wall.I wonder why she hanged herself.1.all over the world 2.the B.B.C.3.the Houses of Parliament 4.burn down 5.take its name from 6.be responsible for 7.not onlybut also/as well 8.Greenwich Observatory 9.twice a day 10.connect to 11.sth goes wrong 12.fail to do sth 13.a pot of paint 14.slow down