英语人教版九年级全册u6sectiona 1a.ppt

1、Unit 6 When was it invented?,Section A 1a-2d,What are the Four Great Inventions in ancient China?,Do you know?,paper-making 造纸术,compass 指南针,printing 印刷术,gunpowder 火 药,Do you know when they were invented?,?,Look at the things below. In what order do you think they were invented? Discuss them with you

2、r group. Then number them 1-4.,1a,1,2,3,4,Well, I think the TV was invented after the car.,I think the TV was invented before the car.,Well, I agree with you.,I think the telephone was invented before the computer.,Listening,1b,Listen and match the inventions with the years.,_ 1876 _ 1885 _ 1927 _ 1

3、971,d,a,c,b,1c,Practicing,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.,When was the telephone invented?,I think it was invented in 1876.,When was the car invented?,It was invented in 1885.,When was the

4、TV invented?,It was invented in 1927.,When was the computer invented?,It was invented in 1971.,Do you know what other interesting inventions?,shoes with special heels,hot ice-cream scoop, runs on electricity,shoes with lights,/hi:lz /,/sku:p/,/ilektristi/,Do you know what other interesting invention

5、s?,Listening,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,Listen again and complete the chart.,2b,changing,serving,in the dark,Make conversations using the information in 2b.,What a

6、re the shoes with lights used for?,2c,Theyre used for seeing in the dark.,What are hot ice-cream scoop used for?,Theyre used for serving for really cold ice-cream.,What are shoes with special heels used for?,Theyre used for changing the style of the shoes.,Whats this?,zipper,/zp /,拉链,Read 2d and answer the questions,Who invented the zipper? When was the zipper invented? 3. When was it used widely?,Reading,It w