课件18张PPT。Unit 9 When was it invented?Period 2SectionA 2a---2cA:When was the computer invented?
B: It was invented by two young men from America.in 1976,
two young men from America B: It was invented in 1976.A: Who invented the personal computer?B: Two young men from America invented it.A: Who was it invented by?A: What is it used for ?be used for 被用做于------B: It is used for working and studying.Here is a box with a beautiful glass face. It looks like a TV , but it isn’t . It can help you work and study.in 1876Bell
A: When was the telephone invented?
A: who was it invented by?
A: what is it used for ?.
B: It was invented in 1876.B: It was invented by Bell.B: It is used for talking with people
without meeting.in 1885
Karl Benz
A: When was the car invented?
A: Who was it invented by?
A: What is it used for?B: It was invented in 1885.B: It was invented by Karl Benz.B: It is used for ---.in 1871
see things in the dark
Edison
A: When were the light bulbs invented?
A: Who were they invented by?
A: What are they used for?
B: They were invented in 1871.B: They were invented by Edison.B: They are used for seeing things in the dark.A: Who were the jeans invented by?B: They were invented by an American.A: What are they used for? B: They are used for ---PairworkA: When was ---/ were --- invented?
B: It was / They were invented---
A: Who was it / were they invented by
B It was /They were invented by---
A: What is it / are they used for?
B: It is / They are used for ----batteriesslippersbattery-operated slippers电池供电的拖鞋ice creamscoop勺子heated ice cream scoop
加热的冰激淋勺shoes with high heels高跟shoes with adjustable heels可调节后跟的鞋Guessshoes with adjustable heels
battery-operated slippers
电池操作的拖鞋heated ice cream scoop
加热的冰淇淋勺
Who was the invented by?
What is the used for Who were the invented by?
What are the used for Which invention was it invented first?2aListen and number the inventions in
the order that you hear.3122b Listen again. Match the inventions with their inventors and uses.2c: Let’s say something about them using the information in the chart above.A: ?Who was --- / were --- invented by?
B: It was / They were invented by ...
A: ?What is it / are they used for?
B: It's / They're used for… shoes with adjustable heels
Jayce Coziar and Jamie Ellsworth
changing the style of the shoes
battery-operated slippers ,Julie Thompso ,seeing in the darkheated ice cream scoop,
Chelsea Lanmon,
scooping really cold ice cream
A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really? When ______ it _________?
B: I think it ______ _________ in Han Dynasty.
A: What ______ it ______ for?
B: Guess!
A: ______ it ______ for holding water?
B: No. It ___ _____ for testing earthquakes(地震).
A: Wow, it’s really amazing! wasinventedwasinventedwasusedWasusedwasused(汉朝)
Either in acient age or in modern time, because of some great inventions, our life becomes much easier and more comfortable.ConclusionTalk about your favorite inventionIntroduce (介绍) your favorite invention, you can describe it including the following:
What is it / are they? Why?
When was it / were they invented?
Who was it /were they invented by?
What is it / are they used for?
There are many inventions around us, but among them I like ____best, because I think it is a/an __________invention. Now I want to tell you something about it /them.________________________ _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________There are many inventions around us, but among them I like ____best, because I think it is a/an __________invention. Now I want to tell you something about it/them ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Homework As we know ,there are four famous ancient inventions in China. After class , please find more information about them.Make a surveyWe should be proud of being a Chinese.Goodbye!