Learning about Language国家优质课一等奖

Unit 3 Computers 教学设计

Learning About Language Step 1 Warming up To introduce the history of computers The first generation(1945-1956)——the second generation(1956-1963——the third generation(1964-1971)——the fourth generation (1971-

) Step 2 Revision To revise the development of computers calculating machine——analytical machine——universal

machine——artificial intelligence——Pc(desktop/notebook)——Internet Step 3

Translation: To translate the following sentences into English

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.

5.你将怎样处理这场车祸? Step 4

Grammar

Passive Voice Active 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. 现在完成时被动语态谓语: has/have+been+past participle Please trun the following Active voice

into

Passive voice 1.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.

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. Choice 1.You can see the house_____ for years. A.

isn’t painted

B.hasn’t painted

C.hasn’t been painted

D.hadn’t been painted 2.---How long_____ at this jobs?

---Since 1990. A.were you employed

B.have you been employed C.had you been employed

D.will you be employed 3.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 up 4.She has______ by her classmates.

A.laughed

B.laughed at

C.been laughed

D.been laughed at 5.Both my brithers work at the power station that___in 1996. A.has set up

B.has been set up C.was set up

D.is set up 6.Rainforests_____ and burned at such a speed that they wll

disappear from the earth in the near future. A.cut

B.are cut C.are being cut

D.had been cut Discovering useful words and expressions 1._______________ completely

2._______________ completely change 3.________________ to make something happen 4.________________ when a baby or anomal is born 5.________________unable to understand difficult things 6_________________pass 7._________________take correct action 8.______________broadcast on several different channels 9.______________indeed 10.______________used to show that sth.happens in spite

of a problem Complete 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 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 think fit! Tick the right word 1.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 gave one to each of my friends. 6.It was so (unlucky/unluckily) that you lost your watch at

the concert. Step 5

Homework Using words and expressions(EX.1. and EX.2.)

P56—p57

Using structures(EX.1. and EX.2.)