初中三年级英语第一课时课件.ppt
Section A,宋艳香德惠十五中学,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(分数)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,(加热),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 computer is the most helpful invention.Because it helpsme 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 isA:Why is that?B:Well,it gives/helps people,Henry FordEdisonBellCai LunWright brothersfisher,inventors,inventions,PapermakingPlane Washing machineLight bulbCar Telephone,1976,1971,1976,1927,1885,When was it invented?,1b,Listen and match the inventions with the dates.,a,b,e,d,c,18761885192719711976,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,电池供电的拖鞋,加热的冰激凌勺,可调节后跟的鞋,2a,Listen and number the inventions inthe order that you hear.,3,1,2,2b Listen again.Match the inventions with their inventors and uses.,Inventionshoes with adjustable heelsbattery-operated slippersheated ice cream scoop,Who was it/were they invented by?Chelsea LanmonJayce Coziar and Jamie EllsworthJulie Thompson,What is it/are they used for?scooping really cold ice creamseeing in the darkchanging 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+(及物动词的)过去分词,一般现在时,一般过去时,Homework:Describe one of your inventionsAnd then write it down.,GoodBye!,
