人教版九年级英语《Whenwasitinvented-》课件-2.pptx

1、人教版九年级英语When-was-it-invented_PPT课件 Do you know what these inventions are?Karl Benz Do you know who these inventors are?Alexander Bell J.L.BairdCan you match the inventions with the right inventors?Karl Benz invented the first car in 1885.The first car was invented(by Karl Benz)in 1885.The first tele

2、phone 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

3、.1a2314I 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 dacbStudent B,cover the dates.Student A,ask Student

4、 B when the things in the picture in 1b were invented.Then change roles and practice again.1cWhen 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.When was the computer invented?It was invent

5、ed in 1971.heel n.鞋跟鞋跟;足跟足跟scoop n.勺勺;铲子铲子electricity n.电电;电能电能e.g.I like the style of the skirt.我喜欢这条裙子的款式。我喜欢这条裙子的款式。style n.样式样式;款式款式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 electricity123Invention

6、What is it/are they used for?shoes with special heels_ the style of the shoesshoes with lightsseeing _hot ice-cream scoop _ really cold ice-cream Listen again and complete the chart.2bchangingservingin the darkThe first invention is shoes with _.People always hit their toes on _ on the way to the ba

7、throom at night.So people can use them for _ in the _.Listen again and fill in the blanks.somethingseeingdarklightsThe second invention is a special ice-cream _.It runs on _ and becomes hot.Its _ for serving really _ ice-cream.scoopelectricityusedcoldThe last invention is shoes with special _.People

8、 can move the heels _ and _.You can _ the heels if you are going to a _ or _ them if you are just going out for _.heelsdownupraisepartylowershoppingMake conversations using the information in 2b.What are the shoes with lights used for?2cTheyre used for seeing in the dark.What are hot ice-cream scoop

9、 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.Hey Roy,the subject for my school project is“Small inventions that changed the world.”Can you help me think of an invention?Role-play the conversatio

10、n.2dMy pleasure!Let me think hmm I know!The zipper!n.项目项目;工程工程n.高兴高兴;愉快愉快n.拉链拉链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；日常的每日的；日常的Well,you do seem to have a pointOf co

11、urse!I thought about it because I saw a website last week.The pioneers of different inventions were listed there.n.网站网站n.先锋先锋;先驱先驱v.列表列表;列清单列清单 n.名单名单;清单清单 For example,it mentioned that the zipper was invented by Whitcomb Judson in 1893.But at that time,it wasnt used widely.v.提到提到;说到说到Really?So when

12、 did it become popular?Around 1917.1.Well,you do seem to have a point have a point 有道理有道理 e.g.I admit(that)you have a point.我承认你有理。我承认你有理。2.They are used for seeing in the dark.be used for doing sth.表示表示“被用来被用来 做某事做某事”。与。与be used to do sth.同义。同义。表示用途、目的。表示用途、目的。e.g.This computer is used to control a

13、ll the machines.这台电脑是用这台电脑是用 来控制所有机器的。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 表示表示“考虑，想起考虑，想起”。e.g.He is thinking about travelling in the summer holidays.他正在考虑暑假旅游的事。他正在考虑暑假旅游的事。She was thinking abou

14、t her childhood days.她正回想她的童年时期。她正回想她的童年时期。【拓展有关拓展有关think的短语的短语】think of 指指“考虑考虑,记忆记忆,记起记起”e.g.You think of everything!你全都提到了。你全都提到了。I cant think of his name at the moment.我一时想不起他的名字。我一时想不起他的名字。think sth.over指指“仔细想仔细想,审慎思考审慎思考,作进一步考虑作进一步考虑”。e.g.Please think over what I said.请仔细考虑我说的话。请仔细考虑我说的话。I want to think it over.我想仔细考虑一下这件事。我想仔细考虑一下这件事。think sth.out 指指“想通想通,想出想出,熟思熟思”。e.g.He thought out a new idea.他想出了一个新主意。他想出了一个新主意。That wants thinking out.那件事需要仔细考虑。那件事需要仔细考虑。Recite the conversation in 2d.