高中英语 Unit3 Learning about language课件 新人教必修2

1、2021/8/11 星期三1Unit 3 ComputersLearning About Language2021/8/11 星期三2The history of computersthe second generation (1956-1963)the third generation (1964-1971)the fourth generation (1971- )The first generation (1945-1956)2021/8/11 星期三3calculating machinePc(desktop/notebook)analytical machineuniversal m

2、achineartificial intelligenceInternet. Listen, Read and TalkRevision2021/8/11 星期三4 .Translation:1.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.2021/8/11 星期三55.你将怎

3、样处理这场车祸?How will you deal with the car accident?PresentationActive voice or Passive voice?1.The old 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 participleGrammar2021/8/11 星期三6How? *They have read 20 boo

4、ks. -20 books_have been readby them. 方法找宾作主,看时定式*I have bought a car .A carhas been bought(by me)2021/8/11 星期三7Please do the following: 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 ne

5、w personal computer has been bought by usMany problems have been found with our new computer.A PC has been built the way we wanted. 2021/8/11 星期三84.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 c

6、omputer 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 Internet.The computer has been used every day since we bought it.2021/8/11 星期三9Choice1.You can see the house_ for years.isnt painted B.hasnt paintedC.hasnt been paint

7、edD.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 employedB2021/8/11 星期三103.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

8、 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 at(B)D2021/8/11 星期三115.Both my brithers 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 b

9、urned 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 cutCC2021/8/11 星期三12Discovering useful words and expreessions1._ completely (p19)2._ completely change3._ to make something happen4._ when a baby or anomal is born5._unable to un

10、derstand difficult thingstotallyrevolutionSothatbirthsimple-minded2021/8/11 星期三136_pass7._take correct action8._broadcast on several different channels9._indeed10._used to show that sth.happens in spite of a problemgo bydeal withnetworktrulyanyway2021/8/11 星期三14Complete the passage with the words:On

11、e 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 as time_I begain to feel that my idea had been_ wrong. Now I was no longe

12、r 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 think fit!revolutionnetworksothatwent bytotallytrulysimple-mindedAnywayde

13、al with2021/8/11 星期三15Tick 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.2021/8/11 星期三164.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 gave one to each of my friends.6.It wa