2. Unit 9 When was it invented ? Section A

3. Talk about the history of inventions. The passive voice. Grammar Focus: Language Goals:

4. invent [in'vent] v. 发明，创造 calculator ['kælkjuleitə] n. 计算器 be used for 用来做 …… scoop [sku:p] v. 用勺舀 n. 勺子，长柄勺 adjustable [ə'd ʒʌ stəbəl] adj. 可调整的 heel [hi:l] n. （鞋袜等的）后跟 battery ['bætər ɪ ] n. 电池 operate [' ɔ pəreit] v. 操作，作业 battery-operate 电池供电的 slipper ['slipə] n. 拖鞋 heat [hi:t] v. 加热，是变热 New wods

5. light bulbs invention Edison inventor Edison invented the light bulb. The light bulb was invented by Edison.

6. Karl Benz invented the car. ______ was invented by _______. The carKarl Benz

7. Bell invented the telephone. ___________ was invented by ___. The telephoneBell

8. Karl Benz Bell Edison. Who was ______invented by ? It was invented by _________. the car Karl Benz

9. 1b Listen and match the inventions with the dates. a b e d c 1876 1885 1927 1971 1976 d a b e c calculator

10. When was the telephone invented ? I think it was invented in 1876. 1885 1976 1971 1927

11. What is/are … used for? It’s/They’re … used for… 某物被用来做什么 ….

12. Let’s discuss What are the computers used for ? The computers are uesd for ……. (be used for+v-ing 被用于 ……) play games search information read stories chat with friends ting ing

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 car computer calculator light bulbs counting bringing light insteading of walking studying

14. 1. Amy used ________ glass. A. wear B. to wear C. to wearing D. use to be 2. The knife is used ______ fruits. A. to cutting B. for cutting C. cut 3. I used _____ late, but now I _________ early. A. to getting up; am used to getting up B. to get up; am used to get up C. to get up; am used to getting up 4. They’re used for seeing in the dark. ( 改为同义句 ) They’re used ____ _____ in the dark. B B C to see used to do 过去常常做某事，只 用于过去时态 be used to doing 习惯做某事， 用于一般现在时和过去时 be used for doing / to do 被用于做某事，表示被动语态

16. interesting inventions New words scoop v. 用勺舀 n. 勺子 adjustable adj. 可调整的 heel n. 后跟 battery n. 电池 operate v. 操作 battery-operated 电池供电的 slipper n. 拖鞋 heat v. 加热 battery-operated slippers 电池供电的拖鞋 heated ice cream scoop 加热的冰激凌勺 shoes with adjustable heels 可调节后跟的鞋

17. 2a Listen and number the inventions in the order that you hear. 31 2

18. 2b Listen again. Match the inventions with their inventors and uses. Invention shoes with adjustable heels battery- operated slippers heated ice cream scoop Who was it/ were they invented by? Chelsea Lanmon Jayce Coziar and Jamie Ellsworth Julie Thompson What is it/ are they used for? scooping really cold ice cream seeing in the dark changing the style of the shoes

19. camera 1839 Daguerre 达盖尔 planeThe Wright Brothers 莱特兄弟 1903 Writing take photos For example A: When was _____ invented? B: The _______ was invented in ______. A: Who was ____ invented by ? B: It was invented by ______. I think It is very useful. It was used for _____. carry people to someplace

20. 造纸术 paper-making 印刷术 printing 火药 gunpowder the four great inventions of ancient China invention time inventorbe used for 指南针 the compass

21. It was invented in 1350. It was invented by a German. It is used for telling us the time, And telling us to get up on time. Guessing game

22. alarm clock It’s an annoying invention. Because it wakes me up when I’m sleeping.

23. Guessing: What is it? what is it used for? Microwave oven It is used for cooking and heating food ( 加热 )

24. I think computer is the most helpful invention. Because it helps me search the information that I need.

25. More inventions in the future ? Please design an invention with your imagination, work in groups and draw it on a piece of paper,then introduce it in front. 1.Who was it invented by? 2.What was it used for? 3. What do you think of it ?

26. 1. --- When ____ the telephone ____, do you know? --- Yes. In 1876. A. was; invented B. is invented C. did, invent D. had, invented 2. I think it is one of ____ in the world. A. the helpful invention B. the helpful inventions C. the most helpful inventions D. the most helpful invention 3. （ 2010 年河北省 37 题） Hong Kong ____ to be a good place for eating today. A. knows B. knew C. is known D. was known C A C

27. 5. （ 2008 年河北省 35 题） Last year, Li Hua, a college student, ___to work for the Olympic Games. A. is choosing B. is chosen C. was choosing D. was chosen 4. （ 2007 年河北省 42 题） We ____to close the windows before we left the lab. A. tell B. told C. are told D. were told 6. （ 2006 年河北省 37 题） The children _____to swim last month and they can swim very well now. A.are taught B. were taught C. have taught D. taught 7. （ 2009 年河北省 34 题） Don’t put off today’ s work for tomorrow. I mean,today’s work ____ today. A. may do B. must do C. may be done D. must be done 连接中考： B D D D