新概念第二册第71课ppt课件.pptx
A famous clock,Big Ben,大本钟简介英国伦敦著名古钟或称大本钟(Big Ben)，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(Benjamin Hall)，故名“大本”。,One cant put back the clock.时钟不能倒转。,parliament,parliament n.议会，国会,the Houses of Parliament 国会大厦,the British Parliament 英国国会,accurate adj.准确的,accurate time 准确的时间,accurately adv.准确地，精确地,observatory n.天文台,observe vt.to see or notice sb/sth 看到,注意到，观察到The police observed a man enter the bank.警察注意到一个男人走进了银行 to make a remark 说话；评论 He observed that it was a lovely day.,check n/v.检查 n.支票,check in 登记 He has just checked in at the hotel.他刚刚在旅馆办好住宿手续。check out 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,Language points:,1、When you visit London,one of the first things you will see is Big Ben,the 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。visit sw.visit Shanghai one of+名词复数（前面可以用序数词，最高级等修饰）one of the most famous singer you will see 是定语从句，作things 的定语。省略了that，只能用that.Big Ben 和the famous clock 同位语which can be heard 定语从句 can be heard 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,对现在事情的虚拟：If I were in your position,I would act differently.If you saw him now you wouldnt recognize him.if+从句（一般过去时），主句（would do）,对过去事情的虚拟：if+从句（过去完成时），主句(would have done）,If I had worked harder at school,I would have got a better job.,错综时间下的用法：过去条件+现实情况 If he had taken the doctors advice,he should not be ill now.要是当初听了医生的话，他现在就不会生病了。If the doctor hadnt come in time,the patient would be dead by now.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/should,Had/were/should+主,If I were in your place,I wouldnt date him.Were I in your place,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.,Wish句,I wish that I were as tall as Yao Ming.,I wish I had told you the truth the other day.,as if/as though“好像”句,He acted as if he had never lived in 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 以命名The Hubble telescope takes its name from Hubble.Sir Benjamin Hall sir+人的全名 表示爵士。Sir Walter Scott who引导的定语从句be responsible for 为负责She is my child,and I am responsible for her.她是我的孩子,我对她负责。the making of the clock=making the clock when 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 不但而且be+of+n.用来表示人或物的特征。We are of the same age.This letter is of great importance.extremely accurate 极其精确（副词修饰形容词）quite sure 十分确信,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 the correct time.,strike v.敲钟，打，打击（struck,struck)connect to the clock tower 钟塔rarely adv.几乎不 go wrong（with sth.)出错，出故障 fail to do sth.没有做某事，未履行做某事，失败做某事give the correct time 给予正确的时间,go wrong（机器等）发生故障/出毛病 My watch/the engine of the car has gone wrong.Something has gone wrong with my 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had been doing 过去完成进行时hang sth.on sth.a pot of paint one of the hands slow down He slowed his car down while driving in heavy traffic.,Whats the name of the famous clock in London?,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 Greenwich ObservatoryD.By officials who check the clock frequently,Which radio station can it be heard on?What happened to the Houses of Parliament in 1843?How big is the clock?,Special difficulties:,official n.官员，高级官员official from sw.来自的官员officials from Greenwich Observatory 来自于格林尼治天文台的官员们have sth.done 使被I have my hair cut.I have the car repaired.twice a day 一天两次,official,employee,shop assistant official:官员，公务员，高级官员 employee:雇员，雇工（包括各个阶层）shop assistant:零售店的“店员”salesclerk(美),1.The Customs _ asked me several questions.2.Over a thousand factory _ went on strike.3.She works as a _in a clothing store.4.The _ who served me was very helpful.,Practise:,official,employees,shop assistant,hang-hanged-hanged v.绞死，吊死，上吊 hang-hung-hung v.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,Phrases:,
