2. Section A 1a-2d Unit6 When was it invented ?

3. Do you know the following intentions ? When were they invented ?

4. paper 105 A. D. printing 1041-1045 It was invented …

5. compass 11th Century gunpowder 9th Century It was invented …

6. Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4]. 1a 2 3 1 4

7. Listen and match the inventions with the years. 1b ___ 1876 ___ 1885 ___ 1927 ___ 1971 d a c b

8. Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. 1c When was the telephone invented? I think it was invented in 1876.

9. When was the car invented? It was invented in 1885. When was the TV invented? It was invented in 1927.

10. When was the computer invented? It was invented in 1971.

11. heel n. 鞋跟 ; 足跟 She is wearing high heels.

12. scoop n. 勺 ; 铲子 She is scooping by using the scoop.

13. electricity n. 电 ; 电能

14. e.g. I like the style of the skirt. 我喜欢这条裙子的款式。 style n. 样式 ; 款式

17. Listen and number the inventions [1-3] in the order you hear them. 2a ___ shoes with special heels ___ shoes with lights ___ hot ice-cream scoop, runs on electricity 1 3 2

18. Invention What is it / are they used for? shoes with special heels ________ the style of the shoes shoes with lights seeing ___________ hot ice-cream scoop________ really cold ice-cream Listen again and complete the chart. 2b changing serving in the dark

19. The first invention is shoes with ________. People always hit their toes on __________ on the way to the bathroom at night. So people can use them for ________ in the ______. Listen again and fill in the blanks. something seeingdark lights

20. The second invention is a special ice- cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream. scoop electricity used cold The last invention is shoes with special _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a ______ or ______ them if you are just going out for _________. heels down up raise party lower shopping

21. Make conversations using the information in 2b. What are the shoes with lights used for? 2c They’re used for seeing in the dark.

22. What are hot ice- cream scoop used for? They’re used for serving for really cold ice-cream. What are shoes with special heels used for? They’re used for changing the style of the shoes.

23. Read the passage quickly and answer the questions. 1.What is the subject for their school project? 2. What kind of invention does Roy think of? 3. Why does Roy think it is a great invention? 4. Who and when was the zipper invented? 5. When did the zipper become popular? Small inventions that changed the world. The zipper. Because it is often used in our daily lives. Whitcomb Judson in 1893. Around 1917. 2d

24. Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention? 2d My pleasure! Let me think… hmm… I know! The zipper! n. 项目 ; 工程 n. 高兴 ; 愉 快 n. 拉链 Role-play the conversation.

25. The zipper? Is it really such a great invention? Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags… almost everywhere! adj. 每日的； 日常的

26. Well, you do seem to have a point… Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. n. 网站 n. 先锋 ; 先驱 v. 列表 ; 列清单 n. 名单 ; 清单

27. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely. v. 提到 ; 说到

28. Really? So when did it become popular? Around 1917.

29. 单项选择 1.Sweaters are used for ___ warm. A. to give B. to keep C. giving D. keeping 2. ___ do you think the computer was invented by? A. When B. What C. Who D. Why 3. She’d like to have a mobile phone ___ she could communicate with her friends. A. though B. until C. unless D. because D C D

30. 14. Does the boy enjoy __ music with his MP4 all day? A. to hear B. hearing to C. to listen D. listening to 5. What is a telephone used ___, class? A. to B. in C. for D. about D C

31. 6. Was a car invented ___ March 4, 1876? A. on B. in C. at D. of 7. Can you tell me ___ the train was invented? A. what B. who C. when D. which 8. I think the ___ invention is a mobile phone. What about you? A. Helpful B. most helpful C. Helpfully D. most helpfully A C B

32. 9. The bridge ___ by the workers in 2009. A. built B. build C. was build D. was built 10. Rice is grown in South China ___ farmers. A. by B. in C. with D for D A

33. 1. Recite the new words and 2d. 2. Preview 3a-3b. 3. Finish the workbook of Section A 1a-2d.