When-was-it-invented-Unit-6-Section-A-第一课时-初中英语-九年级英语课件.ppt

1、Section A (1a-2d)Unit 6 When was it invented?学习目标学习目标 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 used for Passive voice(past tense)

2、What are the Four Great Inventions in ancient China?Do you know?Lead inChinese four great ancient inventionscompassgun powderprintingPaper makingcalculatorTalk about the inventions(发明发明).Which one do you think is the most helpful in our daily life?computercarcalculatorlaptoptelephonecell phoneradioA

3、: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 invented after the computer.Talk about with your partner.Look at the things below.In w

4、hat order do you think they were invented?Discuss them with your group.Then number them 1-4(1=first,4=last)1 2 34Presentation Listen and match the inventions with the years.abcdWhen was the.invented?1876188519271971acbd1b1b Student B,cover the dates.Student A,ask Student B when the things in the pic

5、ture in 1b were invented.Then change roles and practice again.PracticingWhen was the telephone invented?I think it was invented in 1876.1c1cWhen 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 invented in 1971.Listen

6、 and number the inventions1-3 in the order you hear them.312 _ shoes with special heels_ shoes with lights_ hot ice-cream scoop runs on electricity2a2aInventionWhat is it/are they used for?shoes with special heels_ the style of the shoesshoes with lightsseeing _hot ice-cream scoop _ really cold ice-

7、cream Listen again and complete the chart.changingservingin the dark2b2bMake conversations using the information in 2b.What are the shoes with lights used for?Theyre used for seeing in the dark.2c2cWhat are hot ice-cream scoop used for?Theyre used for serving for really cold ice-cream.What are shoes

8、 with special heels used for?Theyre used for changing the style of the shoes.Role-play the conversation.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?Small inventions that changed the world.The zipper.2d2d3

9、.Why does Roy think it is a great 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 有道理有道理 e.g.I admit(that)you have a point.我承认你有理。我承认

10、你有理。Language Points2.They are used for seeing in the dark.be used for doing sth.表示表示“被用来做某被用来做某 事事”。与。与be used to do sth.同义。表示用途、同义。表示用途、目的。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这台电脑是用来控制所有机 器的。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.Th

11、ink 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 about her childhood days.她正回想她的童年时期。她正回想她的童年时期。【拓展拓展】有关有关think的短语的短语think of 指指“考虑考虑,记记忆忆,记起记起”I cant think of his name at

12、the moment.我一时想不起我一时想不起他的名字。他的名字。think sth.over指指“仔细想仔细想,审慎思考审慎思考,作作进一步考虑进一步考虑”Please think over what I said.请仔细考虑我说的话。请仔细考虑我说的话。think sth.out指指“想通想通,想想出出,熟思熟思”He thought out a new idea.他想出了一个新主意。他想出了一个新主意。1.1.用所给单词的正确形式填空：用所给单词的正确形式填空：1.When the telephone (invent)?2.The computer can us do math prob

13、lems(help).inventedwashelpExercises3.In those day,the woman couldnt _(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.affordmineto take2.2.单项选择单项选择()1.The kind of cup is used _ drinking.A.to B.as C.by D.for()2.My mothe

14、r and my sister kept on talking,but my father _ silent all the time.A.got B.kept C.turned D.lookedDB()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 byDCSummary1.Talked about the invented time,inventors and the usage of some inventions.2.Used the Passive Voice(past tense)to talk about the history of some inventions.