1. Unit 6 When was it invented?

2. 时髦的 过时的 通电运行 被用来舀冰激凌。 按门铃 调高 / 调低后跟 在日常生活中 有道理 在适当的地点 / 时间 突然 通过仪器传音符 不用谢；没关系 非常乐意 不用谢；我的荣幸 in style out of style run on electricity be used for scooping/serving ice-cream ring the bell raise / lower the heel in the daily life have a point at the right point all of a sudden/suddenly send musical notes through an instrument don’t mention it. with pleasure (It’s) my/a pleasure.

3. n. 冰箱 /frid ʒ / adj. 低的；矮的 /ləu/ pron. 某人 n. 重要人物 / ' s ʌ mbədi/ v. 翻译 /træns ' leit/ v. 锁上；锁住 n. 锁 /l ɔ k/, /la:k/ n. 地震 / ' ə:(r) θkweik/ adj. 突然（的） / ' s ʌ dən/ 突然；猛地 n. 钟（声）；铃（声） /bel/ fridge low somebody translate lock earthquake sudden all of a sudden bell Words and expressions

4. n. 饼干 /'biskit/ n. 曲奇饼 /'kuki/ adj. 音乐的；有音乐天赋的 /'mju:zikl/ n. 器械；仪器；工具 /'instrəmənt/ adj. 脆的；酥脆的 /'krispi/ adj. 咸的 /'s ɔ :lti/ adj. 酸的；有酸味的 /'sauə(r)/ 错误的；无意的 n. 顾客；客户 /'k ʌ stəmə(r)/ biscuit cookie musical instrument crispy salty sour by mistake customer Words and expressions

5. When were the following things invented? Who were they invented by? What were they used for?

6. 1876 Bell Talk with people When was the telephone invented? Who was it invented by? What was it used for? It was invented in 1876. It was invented by Bell. It was used for talking with people.

7. 1885 Karl Benz travel

8. hot ice-cream scoop shoes with lights shoes with special heels What are these and what are they used for? changing the style of the shoes seeing in the dark serving really cold ice-cream

9. When was the zipper invented?It was invented in 1893. Who was it invented by? It was invented by Whitcomb Judson. When was tea brought to Korea? It was brought to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for? It’s used for serving really cold ice-cream. Passive voice in the simple past tense Active: Alexander Graham Bell invented the telephone in 1876. Passive: The telephone was invented (by Alexander Graham Bell) in 1876. Grammar Focus

10. 1. 一般过去时的被动语态的句式结构 肯定句 主语 +was/were+ 及物动词的过去分词（ + by… ） 否定句 主语 +was/were + not+ 及物动词的过去分词 （ + by…) 疑问句 Was/Were+ 主语 + 及物动词的过去分词（ +by …)? 特殊疑问词 +was/were+ 主语 + 及物动词的过 去分词（ + by...)?

11. 2. 一般过去时的被动语态的基本用法 用法示例 表示过去某一具体时间发 生的动作，且句子的主 语是谓语动词动作的承受 者 The house was built in 1990. 这所房子建于 1990 年。 讲述发生在过去的动作， 且不知道动作的执行者 He was honored with the name “ Father of Hybrid Rice”. 他被授予 “ 杂交水稻之父 ” 的称号。

12. ①含有双宾语的主动句变为被动语态时，通常 把指 “ 人 ” 的间接宾语变为主语，而指 “ 物 ” 的 直接宾语则不变 He gave me a book yesterday. I was given a book (by him) yesterday 3. 含双宾语和复合宾语的主动句变为被动语 态的方法

13. ②如果要把指 “ 物 ” 的直接宾语变为主语，则在 间接宾语前加 to 或 for I brought him some food Some food was brought to him (by me). ③含有复合宾语的主动句变为被动语态时，要 将其中的宾语变成主语，宾语补足语不变 Jim asked Tom to go for a walk. Tom was asked (by Jim) to go for a walk.

14. ④ 如果宾语补足语是不带 to 的动词不定式， 主动语态变成被动语态时要加上不定式符 号 to We often heard Kate sing in the room. Kate was often heard to sing in the room (by us).

15. 4a Rewrite the sentences using the passive voice. 1.They sold the fridge at a low price. The fridge was sold at a low price. 2. Somebody stole my camera from my hotel room. My camera was stolen from my hotel room.

16. What kind of food do you like?

17. Sweet food

18. salty food

19. Sour food

20. Crispy food

21. 1a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. sweet crispy salty sour _____ _____ crispy salty soursweetsalty

22. 1b Write the name of a different food after each word. sweet ________ crispy ________ salty ____________ sour ________ banana biscuit potato chips orange

23. 1c Listen and circle T for true or F for false. 1. Potato chips were invented by mistake. T F 2. They were invented in 1863. T F 3. The customer thought the potatoes were not thin enough. T F 4. The customer said they were not salty enough. T F 5. George wanted to make the customer happy. T F 6. The customer was happy in the end. T F

24. 1d Listen again. Complete the sentences. The History of Potato Chips Do you know how potato chips were invented? Potato chips _____________by a cook called George Crum. They were invented in _____. George Crum cut the potatoes really, really ______ and then cooked them for a long time until they were _______. Finally he put lots of salt on them so they were __________. were invented 1853 thin crispy really salty

25. 1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d. A: Did you know potato chips were invented by mistake? B: Wow, I didn’t know that. Who invented them? A:...

26. Exercises

27. 1.(2013. 陕西 )The mobile phone has influenced people’s life a lot since it ____. A. invents B. invented C. is invented D. was invented 2. (2013. 上海 ) _____ is waiting for you at the gate. He wants to say thanks to you. A. Somebody B. Anybody C. Everybody D. Nobody D I. 单项选择。 A

28. 3. At the end of the meeting Miss Green ___ two minutes to decide whether she should join the project or not. A. gave B. give C. was given D. was giving 4. The mixture smelt terrible but Tom ____ taste it. A. was made toB. was made C. made to D. made C A

29. 5.—Did you go to Jack’s birthday party? —No, I____. A. am not invited B. wasn’t invited C. haven’t invited D. didn’t invite 6.The book Business @ the Speed of Thought _____ in 1999. A. writes B. is written C. wrote D. was written B D

30. 7. ___a new library ____ in your school last year? A. Is; built B. Was; built C. Does; built D. Did; built 8. The earth is our home. It ______well. A. must be protected B. should protect C. need protect D. should protected. B A

31. 1.The young man saved the lives of the children. The lives of the children were saved by the young man. 2. The villagers didn’t find the lost boy at last. The lost boy wasn’t found by the villagers at last. II. 将下列句子改为被动语态。

32. 3. Did you clean up your room last night? Was your room cleaned up last night? 4. My mother bought me a new CD player. I was bought a new CD player by my mother. / A new CD player was bought for me by my mother. 5. We saw Jim come in. Jim was seen to come in.

33. Homework Master what you have learned In this lesson. Learn to talk about The history of inventions with the Passive voice in the simple past tense.