1、Section A,Unit9 When was it invented?,Museum,Invention Museum,How much is it?,18,How much is it?,Rule,Only one group that gets the most scores(分?jǐn)?shù))can enter the museum.,Guessing: What is it?,part 1,Guessing: What is it?,Guessing: What is it?,Microwave oven,It is used for cooking and heating food,(加熱)

2、,What food can be heated in it?,What is it used for?,It is used for counting.,calculator,What are they used for?,They are used for giving light.,light bulbs,What is/are used for? Its/Theyre used for,part 2,alarm clock,Its an annoying invention. Because it wakes me up when Im sleeping.,I think comput

3、er is the most helpful invention. Because it helps me search the information that I need.,part 3,A survey: What do you think is the most helpful/annoying inventions?,Useful expressions: A: What do you think is the most helpful/annoying invention? B: I think the most helpful invention is A: Why is th

4、at? B: Well, it gives/helps people,Henry Ford Edison Bell Tsai Lun Wright brothers fisher,inventors,inventions,Papermaking Plane Washing machine Light bulb Car Telephone,1976,1971,1976,1927,1885,When was it invented?,1b,Listen and match the inventions with the dates.,a,b,e,d,c,1876 1885 1927 1971 19

5、76,d,a,b,e,c,1876,1885,1927,1971,1976,part 5,When was the car invented? It was invented in 1885.,Chinese inventions,How many inventions do you know?,Group work:,battery-operated slippers,heated ice cream scoop,shoes with adjustable heels,電池供電 的拖鞋,加熱的 冰激凌勺,可調(diào)節(jié) 后跟的鞋,2a,Listen and number the inventions

6、 in the order that you hear.,3,1,2,2b Listen again. Match the inventions with their inventors and uses.,Invention shoes with adjustable heels battery-operated slippers heated ice cream scoop,Who was it/ were they invented by? Chelsea Lanmon Jayce Coziar and Jamie Ellsworth Julie Thompson,What is it/ are they used for? scooping really cold ice cream seeing in the dark changing the style of the shoes,music candle,activity glasses,temperature cup,Challenge:,Try to be an inventor!,Welcome !,The passive voice.,被動(dòng)語態(tài),被動(dòng)語態(tài)的構(gòu)成:,