Unit 9

2. Unit 9 When was it invented ? Section A

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

4. 1b Listen and match the inventions with the dates. b b e e 1876 1885 1927 1971 1976 a a d d c c

5. PAIRWORK 1c

6. 1c PAIRWORK A :When was the telephone invented ? B :I think it was invented in 1876.

7. battery-operated slippers Julie Thompson heated ice cream scoop Chelsea Lanmon Jayce Coziar and Jamie Ellsworth shoes with adjustable heels

8. 2a Listen and number the inventions in the order that you hear. 3 1 2

9. 2b PAIRWORK Who was it / were they invented by ? It was/ They were invented by Chelsea Lanmon.

10. 2c Pairwork Sentence pattern: What is it / are they used for? They’re used for seeing in the dark.

11. 3a Pairwork Helpful inventions: vacuum cleaner, soundproof door and window, car, computer, fax machine Annoying inventions: air-conditioner, truck, telephone, junk food, ice cream

12. Sentence pattern: What is this in the picture? What is it used for? Do you think it is helpful / annoying?

13. Dialogue 1: A: What is this?

14. 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.

15. Dialogue 2: A: What is this?

16. 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.

17. Dialogue 3: A: What is this?

18. 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.

19. 3b Pairwork Dialogue 1: A: What do you think is the most helpful invention? B: I think the most helpful invention is the light bulb.

20. A: Why is that? B: Well, it gives people more time to work and play every day.

21. 4 Groupwork Imagine you are alone on a tiny island. choose five inventions you would like to have on the island with you.

22. 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 ...

23. Make sentences 1. 世界上许多国家都讲英文。 English is spoken in many countries all over the world . 2. 纸是中国发明的。 Paper was invented in China. 3. 这栋大楼是去年建造的。 The building was built last year.

24. 4. 他父亲不会让他娶玛丽为妻的。 He won’t be allowed, by his father, to marry Mary. 5. 他们结束训练时将被派往部队。 They would be sent to the army when they finished the training. 6. 这个计划正在执行中。 The project is being carried out.

25. 7. 那时这案子正在调查中。 The case was being investigated then. 8. 这本小说已被译成了几种语言。 This novel has been translated into several languages. 9. 他们说生产成本已经下降了。 They said that production costs had been reduced.

26. Dialogue 1: 4 Groupwork 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. 移动电话

27. Dialogue 2: 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 signallamp. n.望远镜 n.信号灯

28. am (is, are) + done was (were) + done { The passive voice. 被动语态 英语中动词有主动语态和被动语态两种语态，主动语 态表示主语是动作的执行者,被动语态表示主语是动作的 承受者, 在被动语态中动作的执行者有时用by短语表示 出来。 被动语态的构成: 助动词be+ (及物动词的) 过去分词 一般现在时 一般过去时

29. The passive voice 被动语态 被动语态的用法: • 不知动作执行者时,常用被动语态。 • eg. My bike was stolen yesterday. • This car is made in America. • 2. 不必要说出动作执行者时,常用被动语态。 • eg. Rome was not built in a day. • 3. 为了突出强调动作的承受者时,常用被动语态。 • eg. Thousands of beaches are polluted (污染).

30. 被动语态 The passive voice 主动语态变为被动语态的步骤: • 把原主动句中的宾语转换为被动语态的主语。 • 2.把动词改为被动形式,即 “be + 过去分词” ， 注意 be • 动词要按新的主语的人称和数进行变化,时态要和原来 • 的主动语态的时态保持一致。 • 3. 原来主动语态句中的主语,如果需要,就放在by后面 • 以它的宾格形式出现； 如果没有必要就可以省略，其他的 • 成分 (定语,状语) 不变, 句式也不能变。

31. The passive voice 被动语态 主动语态变被动语态的结构图: Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语 谓语动词过去时 宾语 时间状语 宾语 时间状语 主语 谓语动词的过去分词

32. 被动语态 The passive voice 主动语态改被动语态: the telephone in 1876. Bell invented was by

33. HOMEWORK Students’ book P 70, part 4.

34. GoodBye!

35. Section B What was it invented?

36. Describe how food tastes. crispy and salty

37. sour

38. sweet

39. salty: in the end: by mistake: by accident: according to: 咸的,含盐的. 名词,salty 加 y 构成形容词 最后,终于 eg. Everything will be all right in the end. 弄错的,错误地eg. He took the umbrella by mistake. 偶然,意外, 无意中eg. I met her by accident in a crowded bus. 根据……, 按照…… eg. We’ll be paid according to the amount of work we do.

40. crispy sour salty sweet sweet sweet

41. Listen and circle “T” (for true) or “F” (for false). T F T F T F T F T F T F • The potato chips were invented by mistake. • They were invented in 1863. • The customer thought the potatoes weren’t thin enough. • The customer said they weren’t salty enough. • George wanted to make the customer happy. • The customer was happy in the end.

42. The history of chips that potato chips were invented by mistake? Chips by a chef called George Crum. They were invented in .George Crum cooked them for a long time until they . And he sprinkled lots of salt on them so they were Did you know were invented 1853 were crispy really salty

43. Who invented tea? Did you know that tea, the most popular drink in the world (after water), was invented by accident? Although tea wasn’t brought to the Western world until 1610, this beverage was discovered over three thousand years before that. According to an Ancient Chinese legend, the emperor Shen Nong Discovered tea when he was boiling drinking water over an open fire. Some leaves from a nearby bush fell into the water and remained there for some time. The emperor noticed that the leaves in the water produced a pleasant smell. Later he decided to taste the hot mixture. It was quite delicious. And in this way, one of the world’s favorite drinks was invented.

44. Read the article and write answers to the questions. • What is the article about ? It is about the invention of tea. 2. When was it invented? It was invented over three thousand years ago. 3. Who was it invented by? It was invented by the Chinese emperor Shen Nong. • 4. How was it invented? It was invented by accident.

45. Explanation 1.The custom said they weren’t salty enough. 这个顾客说菜不够咸。 (1)said后是宾语从句, 省略了that。当 宾语从句主句用一般过去时, 从句也要 用过去的某种时态。 He asked me whom I was waiting for. 他问我在等谁。

46. 但enough修饰名词时, 可以放在名词之前, 也可以放在名词之后。如: I have enough money to buy it. ( I have money enough to buy it.) 2.The potato chips were invented by mistake. 薯片是无意中被发明的。 mistake做名词, 意为 “弄错, 误解”

47. You have made a foolish mistake. 你犯了一个愚蠢的错误。 mistake作动词, 意为 “弄错,误解” She didn’t speak very clearly so I mistook what she said. 她讲的不清楚, 所以我误解了她的话。

48. by mistake意为 “错误地,无意地” I took his backpack by mistake. 我错拿了他的书包。 He put salt in her cup of tea by mistake. 他错把盐放进她的茶里。

49. New invention: a pen that listens and writes Use: It can listen to the writer and write by itself. Price : $ 50

50. music candle activity glasses temperature cup