《高一英语人教版必修2精选课件《Unit 3 Computers》Learning about language课件》由会员分享，可在线阅读，更多相关《高一英语人教版必修2精选课件《Unit 3 Computers》Learning about language课件（20页珍藏版）》请在金锄头文库上搜索。
1、Unit 3 ComputersLearning About LanguageThe history of computersthe 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. Lis
2、ten, Read and TalkRevision .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.5.你将怎样处理这场车祸?How will you deal with the car accident?PresentationActive voi
3、ce 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 participleGrammarHow? *They have read 20 books. -20 books_have been readby them. 方法方法找找宾宾作作主主, ,看看时时定定式式*I have bought a car .A
4、carhas been bought(by me)Please 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 new personal computer has been bought by usMany problems have been found with our new co
5、mputer.A PC has been built the way we wanted. 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 com
6、puter has just been joined to the Internet.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.ha
7、d you been employed D.will you be employedB3.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 l
8、aughed D.been laughed at(B)D5.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 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 cutC CC CDiscoveri
9、ng useful words and expreessions1._ completely (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._us
10、ed to show that sth.happens in spite of a problemgo 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 t
11、idy and everybod y could read my writing. But 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 abl
12、e to escape from technology and_ my work as I 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 competi
13、tion 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 gave one to each of my friends.6.It was so (unlucky/unluckily) that you lost your watch at the concert.Homework Using words and expressions(EX.1. and EX.2.) P56p57 Using structures(EX.1. and EX.2.) 同学们来学校和回家的路上要注意安全同学们来学校和回家的路上要注意安全
