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,Section A 1a-2d,Unit6,When was it invented ?,Do you know what these inventions are?,Do you know who these inventors are?,Karl Benz,Alexander Bell,J. L. Baird,Karl Benz invented the first car in 1885.,The first car was invented (by Karl Benz) in 1885.,The first telephone was invented (by Bell) in 1876.,Bell invented the first telephone in 1876.,The first television was invented (by J. L. Baird) in 1927.,J. L. Baird invented the first television in 1927.,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,I think the TV was invented before the car.,Well, I think the TV was invented after the car.,I think the telephone was invented before the computer.,Well, I agree with you.,Listen and match the inventions with the years.,1b,_ 1876 _ 1885 _ 1927 _ 1971,d,a,c,b,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.,When was the car invented?,It was invented in 1885.,When was the TV invented?,It was invented in 1927.,heel n. 鞋跟; 足跟,scoop n. 勺; 铲子,electricity n. 电; 电能,style n. 样式; 款式,Presentation,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 below.,2b,changing,serving,in the dark,Make conversations using the information in 2b.,What are 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.,Read the dialogue and answer the questions.,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,Role-play the conversation.,Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention?,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.,The zipper? Is it really such a great invention?,Think about how often its used in our daily lives. You can see zippers on dresses, trousers, shoes, bags almost everywhere!,adj. 每日的；日常的,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,For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasnt used widely.,v. 提到; 说到,Really? So when did it become popular?,Around 1917.,单项选择,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. Shed like to have a mobile phone _ she could communicate with her friends. A. though B. until C. unless D. because,D,C,D,4. 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 _ ? A. at B. in C. for D. about,D,C,Homework,Recite the new words and 2d. Preview 3a-3b. Finish the workbook of Section A 1a-2d.,
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