2. invent inventor invention calculator be used for scoop adjustable v. 发明；创造 发明家 发明 n. 计算器 用来做 …… v. 用勺舀 adj. 可调整的 Words and expressions

3. heel battery operate battery-operated slipper heat heated n. （鞋、袜等的）后跟，足跟 n. 电池 v. 操作；作业 电池供电的 n. 拖鞋 v. 加热；使变热 可加热的 Words and expressions

4. What are the Four Great Inventions in ancient China? Do you know?

5. paper-making 造纸术 compass 指南针 printing 印刷术 gunpowder 火 药

6. car What’s this called in English? televisiontelephone computer calculator microwave oven light bulb battery

7. Look at the things. In what order do you think they were invented? A: I think the calculator was invented before the computer. B: Well, I think the calculator was invented after the computer.

8. A: I think the calculator was invented before the computer. B: well, I think the calculator was invented after the computer. Talk about with your partner.

9. Edison invented the light bulb. The light bulb was invented by Edison. Who was the light bulb invented by ?

10. The telephone _____________by Bell. was invented Bell invented the telephone.

11. _______was invented by _________. Karl Benz invented the car.

12. A: What is the car used for? B: The car is used for traveling. be used for 被用做于 ……

13. A: What is the _______ used for? B: I think it is used for __________________. A: What is the _______ used for? B: I think it is used for __________________. talking with people

14. When was the calculator invented? What is it used for? It is used for counting. (1971)

15. What are they used for? They are used for giving light. light bulbs

16. InventionsWhen was it invented? Who was it invented by What is it used for? 1976two Americans Getting information from the world 1876Belltalking with people 1879EdisonGiving us light Ask and answer in pairs. computer light bulb telephone

17. A: When was …invented? B: It was invented in… A: Who was it invented by? B: It was invented by… A: What is the … used for? B: The … is used for doing… 1924 Beld 1976 two Americans 1885 Carl Benz 1876 Bell 1879 Edison

18. Sample dialogues: A: When was the telephone invented? B: I think it was invented in 1876. A: When was the car invented? B: I think it was invented in 1885. I think it was invented after the telephone. Sample dialogues: A: When was the telephone invented? B: I think it was invented in 1876. A: When was the car invented? B: I think it was invented in 1885. I think it was invented after the telephone. Pairwork 1c

19. It’s used for scooping really cold ice cream. 【经典习题】完成句子： 邮票是用来发送信件的。 Stamps are ____ ___ ______ letters. 【要点点拨】 be used for doing sth. 表示 “ 被用于干某事 ” ，意思与 be used to do sth. 相同。 如： The camera is used for taking photos. = The camera is used to take photos. used for sending

20. 【拓展延伸】 ◆ be used as sth. 表示 “ 被用作某物 ” 。如： English is used as the second language in many countries. ◆ be used by sb. 表示 “ 被某人使用 ” ，后接动 作的执行者。如： These textbooks are used by students. ◆ be / get used to do sth. 表示 “ 习惯于做某 事 ” 。如： She is used to running every morning. ◆ used to do sth. 表示 “ 过去常常做某事 ” 。如： Miss Li used to dance after work.

21. 1. The names of some inventions. 2. 句型① When was...invented? It was invented in... I think... was invented before / after... ② Who was it / were they invented by? It was / They were invented by... ③ What is it / are they used for? It is / They are used for... 课时重点回顾

22. 2.The telephone was invented by Bell. 对划线部分提问： 1.The computer was invented in 1976. ______ was the telephone invented ? ____ was the telephone invented ___? 3.Light bulbs are used for giving us light. ______ ___ light bulbs used for?

23. 2.The telephone was invented by Bell. 对划线部分提问： 1.The telephone was invented in 1876. ______ was the telephone invented ? ____ was the telephone invented ___? When Whoby 3.Light bulbs are used for giving us light. ______ ___ light bulbs used for?What are

24. 把下列句子改为被动语态。 1. They made these computers in Shenzhen. These computers ____ _____ in Shenzhen. 2. She bought a new bike yesterday. A new bike ____ ______ by her yesterday.

25. 把下列句子改为被动语态。 1. They made these computers in Shenzhen. These computers ____ _____ in Shenzhen. 2. She bought a new bike yesterday. A new bike ____ ______ by her yesterday. were made was bought

26. 3. The students clean the room every day. The room ___ ______ by the students every day. 4. He will sing a new song at the party. A new song ____ __ _____ by him at the party. 5. Students can’t take the books out of the library. The books ____ ___ _____ out of the library by students.

27. 3. The students clean the room every day. The room ___ ______ by the students every day. 4. He will sing a new song at the party. A new song ____ __ _____ by him at the party. 5. Students can’t take the books out of the library. The books ____ ___ _____ out of the library by students. is cleaned will be sung can’t be taken

28. 中考真题链接中考真题链接 1. — I feel very happy that I ____ to be the host. — Congratulations! (07’ 江西 ) A. choose B. am chosen C. was chosen D. haven chosen 2. Today Chinese ________ by more and more people around the world. (07’ 北京 ) A. was spoken B. is spoken C. spoke D. speak

29. 中考真题链接中考真题链接 1. — I feel very happy that I ____ to be the host. — Congratulations! (07’ 江西 ) A. choose B. am chosen C. was chosen D. haven chosen 2. Today Chinese ________ by more and more people around the world. (07’ 北京 ) A. was spoken B. is spoken C. spoke D. speak

30. 3 ． (07’ 重庆 ) — Your hometown has changed a lot ． — Yes. Take a look at these tall buildings. They ______ last year ． A. build B. built C. was built D. were built — Why is the classroom so dirty? — Sorry, sir. It _______ yesterday ． We forgot to do it ． A. don’t clean B. didn’t clean C. weren’t cleaned D. wasn’t cleaned

31. 3 ． (07’ 重庆 ) — Your hometown has changed a lot ． — Yes. Take a look at these tall buildings. They ______ last year ． A. build B. built C. was built D. were built — Why is the classroom so dirty? — Sorry, sir. It _______ yesterday ． We forgot to do it ． A. don’t clean B. didn’t clean C. weren’t cleaned D. wasn’t cleaned

32. 1.Recite the key words and phrases. 2.Make up three conversations.