初中九年级（上） 人教新目标

1. 初中九年级（上） 人教新目标

2. Unit9 When was it invented?

3. Section A Language Goal: 1. Talk about the history of some inventions. 2.Grasp the structure of passive voice: be done.

4. Warming up Can you tell when were they invented?

5. 1885年

6. 1876年

7. 1927年

8. 1976年

9. 1927年

10. 1a GROUPWORK Look at the things below. Number them [1—5] according to the order they were invented. 2 1 5 4 3

11. 1a GROUPWORK Model A: I think the telephone was invented before the car. B: Well, I think the telephone was invented after the car.

12. 1b Listen and match the inventions with the dates. e e b b ___ 1876 ___ 1885 ___ 1927 ___ 1971 ___ 1976 a a d d c c

13. 1c PAIRWORK Student A, cover the dates and ask student B when were the things in the picture above were invented. Model 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 1930. I think it was invented after the telephone.

14. 2a Listen and number the inventions in the order that you hear them. 3 1 2

15. 2b Listen again and match the items in columns A, B, and C.

16. 2c PAIRWORK Role play the conversations using the information in the chart above. Model A: Who was / were it / they invented? B: They was / were invented by …. A: What is / are it / they used for? B: It / they is / are used for …. be used for被动语态, “被用来做……”。介词 for表目的用途, 可接名词或动名词形式。

17. Oral Practice A: What is this? B: This is a heated ice cream scoop. A: What is it used for? B: It is used for scooping really cold ice cream. A: Who was it invented by? B: It was invented by Chelsea Lanmon.

18. Grammar Focus The passive voice被动语态 表达意义： 主语是谓语动作的承受者。 语法构成： 主语 + be 动词 + done (动词的过去分词)

19. 一般现在时 am / is / are + done e.g. Chinese is spoken in by the most people in the world. 世界上讲汉语的人最多。 一般过去时 was / were + done e.g. Paper was invented in China. 纸是中国发明的。

20. 一般将来时 shall / will + be+ done e.g. My homework will be finished in half an hour. 我的作业将在半小时后被完成。 过去将来时 would / should + be + done e.g. They would be sent to the army when theyfinished the training. 他们结束训练时将被派往部队。

21. 现在进行时 am / is / are + being + done e.g. The project is being carried out. 这个计划正在执行中。 过去进行时 was / were + being + done e.g. The case was being investigated then. 那时这案子正在调查中。

22. 现在完成时 have / has + been + done e.g. This novel has been translated into several languages. 这本小说已被译成了几种语言。 过去完成时 had + been + done e.g. They said that production costs had been reduced. 他们说生产成本已经下降了。

23. 3a PAIRWORK Make a list of five helpful inventions and five annoying inventions. car ice cream fax machine air-conditioner hair dryer vacuum cleaner computer truck junk food television

24. Explanation: 1. annoying adj. 讨厌的, 恼人的 (往往指事物) e.g. Electric hair dryer is an annoying invention. 电吹风是个讨厌的发明物。 annoyed adj. 生气的, 恼怒的 (往往指人) e.g. My father is annoyed with me. 爸爸在生我的气。

25. 2. helpful adj. 有用的，有帮助的 e.g. Computer is very helpful in modern society. 电脑在当今社会非常有用。

26. Model 1 A:What is this? B: It is an alarm clock. A: What is it used for? B: It is used for waking people up in the morning. A: Do you think it is annoying? B: Sometimes, when I want to go on sleep.

27. Model 2 A: What is this? B: It is a light bulb. A: What is it used for? B: It is used for giving light. A: Do you think it is helpful? B: Yes, I think so. Because I always do homework and read books in the evening by its light.

28. Model 3 A: What is this? B: It is a microwave oven. A: What is it used for? B: It is used for heating cold food and cooking meals. A: Do you think it is helpful? B: Yes, I think so. Because my parents are very busy and I can use it to cook meals by myself.

29. 3b PAIRWORK Discuss your opinion in activity 3a with your partner. A: What do you think is the most helpful invention? B: I think the most helpful invention is the vacuum cleaner. A: Why is that? B: Well, it can help me clean the floor when mother asks me to do the cleaning. Model 1

30. Model 2 A: What do you think is the most annoying invention? B: I think the most annoying invention is the air-conditioner. A: Why is that? B:Well, I feel uncomfortable in the room with an air-conditioner.

31. 4 GROUPWORK Choose five inventions you would like to have if you are alone on an island. Model 1 A: I’d like to have a radio because I could listen to music all day. B: Yes, but that’s not going to help you leave the island. I think it would be better to have …

32. Model 2 A: I’d like to have some matches because I could light a fire to keep warm. B: Yes, but that’s not going to help you leave the island. I think it would be better to have a cell phone.

33. Model 3 A: I’d like to have a telescope because I could look far. B: Yes, but that’s not going to help you leave the island. I think it would be better to have a signal lamp.

34. HOMEWORK Write an article according to the information in part 4.

35. Exercise

36. I. 请把下列主动句变为被动句: 1. They produced that kind of car. 2. The workers built a bridge over the river. 3. Mother tells me a story every day. That kind of car was produced by them. A bridge was built by the workers over the river. I am told a story by Mother every day.

37. II. 用所给动词的适当形式填空： was invented 1. The TV ___________ (invent) around 1927. 2. They are used for ______ (see) in the park. 3. This kite _________ (make) by Uncle Wang. 4. Tea _____________ (discover) a long time ago. 5. Our classroom ________________ (should clean) every day. seeing was made was discovered should be cleaned

38. III. 根据汉语完成句子： When was invented 1. ______ ____ the computer ________ (什么时候发明的)？ 2. ____ was the car ________ ___ (谁发明的)？ 3. A pen ___ ____ ____(用来做) writing. 4. What do you think is ____ _____ _______ _________ (最有帮助的发明)？ 5. He said the fish was ____ ______(足够咸)。 by invented Who is used for the most helpful invention salty enough

39. 英语辅导报倾情奉献!