1、Section A (1a-2d),学练优九年级英语（RJ） 教学课件,Unit 6 When was it invented?,学习目标,Key words: heel, scoop, electricity, style, project, pleasure, zipper, daily, website, pioneer, list, mention, Key sentences: 1.When was the telephone invented? I think it was invented in 1876. 2.What are they used for? They are u
2、sed for Passive voice (past tense),What are the Four Great Inventions in ancient China?,Do you know?,Lead in,Chinese four great ancient inventions,compass,gun powder,printing,Paper making,Modern inventions,calculator,Talk about the inventions(发明). Which one do you think is the most helpful in our da
3、ily life?,computer,car,calculator,laptop,telephone,cell phone,radio,A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car.,Talk about with your partner.,A: I think the calculator was invented before the computer. B: Well, I think the calculator was invente
4、d after the computer.,Talk about with your partner.,Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them 1-4(1=first,4=last),1,2,3,4,Presentation,Listen and match the inventions with the years.,a,b,c,d,When was the .invented?,1876 18
5、85 1927 1971,a,c,b,d,1b,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.,1c,When was the car invented?,It was invented in 1885.,When was the
6、 TV invented?,It was invented in 1927.,When was the computer invented?,It was invented in 1971.,Listen and number the inventions1-3 in the order you hear them.,3,1,2,_ shoes with special heels,_ shoes with lights,_ hot ice-cream scoop runs on electricity,2a,Listen again and complete the chart.,chang
7、ing,serving,in the dark,2b,Make conversations using the information in 2b.,What are the shoes with lights used for?,Theyre used for seeing in the dark.,2c,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
8、 for changing the style of the shoes.,Role-play the conversation.,Read the passage quickly and answer the questions.,What is the subject for their school project? 2. What kind of invention does Roy think of?,Small inventions that changed the world.,The zipper.,2d,3. Why does Roy think it is a great
9、inven- tion? 4. Who and when was the zipper invented? 5. When did the zipper become popular?,Because it is often used in our daily lives.,Whitcomb Judson in 1893.,Around 1917.,1. Well, you do seem to have a point have a point 有道理 e.g. I admit (that) you have a point. 我承认你有理。,Language Points,2. They
10、are used for seeing in the dark. be used for doing sth.表示“被用来做某 事”。与be used to do sth. 同义。表示用途、 目的。 e.g. This computer is used to control all the machines. 这台电脑是用来控制所有机 器的。 Do you know what this tool is used for? 你知道这个工具是用来做什么的?,3. Think about how often its used in our daily lives. think about 表示“考虑
11、，想起”。 e.g. He is thinking about travelling in the summer holidays. 他正在考虑暑假旅游的事。 She was thinking about her childhood days. 她正回想她的童年时期。,【拓展】有关think的短语,1.用所给单词的正确形式填空：,When the telephone (invent) ? The computer can us do math problems (help).,invented,was,help,Exercises,3. In those day, the woman coul
12、dnt _(afford) a TV because they were really expensive. 4. A friend of (I) came to see me last week. 5. I think you need (take) a history class.,afford,mine,to take,2.单项选择,( ) 1. The kind of cup is used _ drinking. A. to B. as C. by D. for ( ) 2. My mother and my sister kept on talking, but my father
13、 _ silent all the time. A. got B. kept C. turned D. looked,D,B,( )3.I think the short story _by Lu Xun. A. is writing B. is written C. written D. was written ( )4.Who _ the electric light lamp_? Edison. A. was; invented B. is; invented C. was; invented by D. did; invented by,D,C,Summary,Talked about the invented time, inventors and the usage of some inventions. Used the Passive Voice (past tense) to talk about the history of some inventions.,Homework,Preview the passage in 3a. Look up some information about some famous inventions.,Thank you!,
