_unit9_When_was_it_invented__sectionA(3a-4) 课件.ppt

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1、Unit 9 when was it invented?Made by Mr Huatelephone telephone/Bell/1876/Bell/1876/call call sbsb up upbatteryoperated slippers/Julie Thompson/see in the darkheated ice cream scoop/Chelsea Lanmon/scoop really cold ice creamshoes with adustable heels/Jayce Caziar and Jamie Ellsworth/change the style o

2、f the shoesWhat is it?What is it?alarm clock1788tell the time What is it?What is it?microwave oven1946heat cold foodWhat are they?What are they?light bulbs1879give lightUseful expressions:A:What do you think is the most helpful/annoying invention?B:I think the most helpful/annoying invention isA:Why

3、 is that?B:Well,it gives/helps peopleHow many other inventions do you know?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 becauseDo you think the computer is the most helpful/annoying invention?Why is that?汉译英。汉译英

4、。（1）计算机是何时发明的？计算机是何时发明的？（2）谁发明了电灯？）谁发明了电灯？（3）计算器是用来做什么？）计算器是用来做什么？（4）你认为什么是最有用的发明？）你认为什么是最有用的发明？（5）每天它能够给人们更多时间工作和玩。）每天它能够给人们更多时间工作和玩。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 more time to work and play every day.