人教版高中英语必修2 Unit3 Learning about language精品课件

1、Unit3 ComputersLearning about languagethe second generation (1956-1963)the third generation (1964-1971)the fourth generation (1971- )The first generation (1945-1956)calculating machinePc(desktop/notebook)analytical machineuniversal machineartificial intelligenceInternet Listen, Read and TalkRevision

2、 Translation1.依你们看,我该怎么办?2.他们无共同之处.3.他是一个头脑简单的人.4.他跑得太快,我赶不上他.In your opinion, what should I do?They have nothing in common.He is a simpleminded man.He ran so fast that I couldnt catch up with him.5.你将怎样处理这场车祸?How will you deal with the car accident?PresentationActive voice or Passive voice?1.The ol

3、d man has been dead for two years.2.They have done the job.3.The house has been built for 3 years.Passive Voice-现在完成时被动语态谓语: has/have+been+past participleGrammarHow? *They have read 20 books.-20 books_have been readby them. 方法找宾作主,看时定式*I have bought a car.A car has been bought(by me)Please do the fo

4、llowing: Active voice Passive voice1.We have bought a new personal computer.2.We have found many problems with our new computer.3.They have built a PC the way we wanted.A new personal computer has been bought by us.Many problems have been found with our new computer.A PC has been built the way we wa

5、nted. 4.They have just joined our computer to the Internet.5.We have used the computer every day since we bought it. 6.We have written a lot of e-mails on the computer in the past year.A lot of e-mails have been written on the computer in the past year.Our computer has just been joined to the Intern

6、et.The computer has been used every day since we bought it.Choice1.You can see the house_ for years.A.isnt painted B. B.hasnt paintedC.hasnt been paintedD.hadnt been paintedC2.-How long_ at this jobs? -Since 1990.A.were you employed B.have you been employedC.had you been employed D.will you be emplo

7、yedB3.Great changes_in the city, and a lot of factories_. A.have been taken place; have been set up B.have taken place; have been set up C.have taken place; have set up D.were taken place; were set up4.She has_ by her classmates. A.laughed B.laughed at C.been laughed D.been laughed atBD5.Both my bri

8、thers work at the power station that_in 1996.A.has set up B.has been set upC.was set up D.is set up6.Rainforests_ and burned at such a speed that they wll disappear from the earth in the near future.A.cut B.are cutC.are being cut D.had been cutCCDiscovering useful words and expreessions1._ completel

9、y (p19)2._ completely change3._ to make something happen4._ when a baby or anomal is born5._unable to understand difficult thingstotallyrevolutionSothatbirthsimple-minded6_pass7._take correct action8._broadcast on several different channels9._indeed10._used to show that sth.happens in spite of a pro

10、blemgo bydeal withnetworktrulyanywayComplete the passage with the words:One day I decided I would change the way I work and make a_in the office. So I bought a computer and made sure it was joined to a _. And it was _ exciting_my letters became neat and tidy and everybod y could read my writing. But

11、 as time_I begain to feel that my idea had been_ wrong. Now I was no longer able to feel that my work was_my own. When I became unhappy, my_ _colleagues thought I needed a more advanced model of computer._ they bought me a new one.So I have never been able to escape from technology and_ my work as I

12、 think fit!revolutionnetworksothatwent bytotallytrulysimple-mindedAnywaydeal withTick the right word1.Life (total/totally) changed when I went to university.2.I was (amazing/amazed) to find that I won the competition to design a new computer.3.The competition was so (excited/exciting) that we cheered all evening.4.I was so (excited/exciting) at the thought of meeting Yang Liwei that I could not sleep.5.Robots can be bought so (cheap/cheaply) that I