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1、Unit 9 when was it invented?,Section A(3a4),Made by Mr Hua,telephone /Bell/1876/call sb up,batteryoperated slippers/Julie Thompson/ see in the dark,heated ice cream scoop/Chelsea Lanmon/ scoop really cold ice cream,shoes with adustable heels/Jayce Caziar and Jamie Ellsworth/ change the style of the

2、shoes,What is it?,alarm clock,1788,tell the time,What is it?,microwave oven,1946,heat cold food,What are they?,light bulbs,1879,give light,Useful expressions: A: What do you think is the most helpful/annoying invention? B: I think the most helpful /annoying invention is A: Why is that? B: Well, it g

3、ives/helps people,How many other inventions do you know ?,辯論,debate,I think the is the most helpful invention because it . It was invented in . It was invented by . I think the is the most annoying invention because,Do you think the computer is the most helpful/annoying invention? Why is that?,漢譯英。 (1)計(jì)算機(jī)是何時(shí)發(fā)明的? (2)誰發(fā)明了電燈? (3)計(jì)算器是用來做什么? (4)你認(rèn)為什么是最有用的發(fā)明? (5)每天它能夠給人們更多時(shí)間工作和玩。,1. When was the computer invented?,2. Who was the light bulb invented by?,3. Whats the calculator used for?,4. What do you think is the most helpful invention?,5. It gives people mo

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