Unit1 When was it invented SectionA课件2.ppt

1、Unit1 When was it invented?,Museum,Invention Museum,Rule,Only one group that gets the most scores(分数)can enter the museum.,Guessing: What is it?,Microwave oven,It is used for cooking and heating food,(加热),What is it used for?,It is used for counting.,calculator,What are they used for?,They are used

2、for giving light.,light bulbs,What is/are used for? Its/Theyre used for,alarm clock,Its an annoying invention. Because it wakes me up when Im sleeping.,I think computer is the most helpful invention. Because it helps me search the information that I need.,A survey: What do you think is the most help

3、ful/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 that? B: Well, it gives/helps people,Who was (telephone) invented by? It was invented by Bell.,Henry Ford Edison Bell Tsai Lun Wright brothers

4、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 1976,d,a,b,e,c,1876,1885,1927,1971,1976,When was the car invented? It was invented in

5、 1885.,Chinese inventions,How many inventions do you know?,Group work:,battery-operated slippers,heated ice cream scoop,shoes with adjustable heels,电池供电 的拖鞋,加热的 冰激凌勺,可调节 后跟的鞋,2b Listen again. Match the inventions with their inventors and uses.,Invention shoes with adjustable heels battery-operated s

6、lippers 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!,The passive voice.,被动语态,被动语态的构成:,be动词+ (及