九年级Unit9SectionA(1a-2c)课件.ppt
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1、 Unit9 when was it invented?Section A 1a-2cinvent 发明,创造发明,创造calculator 计算器计算器be used for 用来做用来做 scoop v.用勺舀用勺舀 n.勺子,球形勺,长柄勺勺子,球形勺,长柄勺adjustable 可调整的可调整的heel 后跟,足跟后跟,足跟battery n.电池电池operate v.操作,作业操作,作业battery-operated 电池供电的电池供电的slipper n.拖鞋拖鞋heat v.加热,使变热加热,使变热bulb n.电灯,电灯泡电灯,电灯泡light bulb 电灯泡电灯泡Fou
2、r great inventions in ancient China:Paper-making(造纸术)造纸术)Compass(指南针)(指南针)Printing(印刷术)(印刷术)Gunpowder(火药)(火药)calculatorDo you know When was it invented?When were they invented?A:I think the TV was invented before the car.B:Well,I think the TV was invented after the car.Explanation年份的读法:两位在一起读。年份的读法:
3、两位在一起读。eg.1976 1900 2013 Read the following years1745 1305246 nineteen seventy-sixnineteen hundredtwo thousand and thirteenseventeen forty-fivethirteen and fivetwo hundred and forty-sixListen and match the inventions and the dates.Listening practiceSection A 1b_ 1876_ 1885_ 1927_ 1971_ 1976 daecbIt
4、It is used foris used for _._.(study)studyingWhat is it used for?computercomputerWhat is it used for?It is used for counting.calculator(count)What are they used for?They are used for giving light.light bulbslight bulbs(give light)A:When was the telephone invented?B:It was invented in 1876A:What is i
5、t used for?B:It is used for making a call.年代(年代(1876)-When was it/were they invented?-It was/They were invented in-What is it/are they used for?-Its/Theyre used for1885187919711815185318901839And who was it/were they invented by?They were invented by Edison.It was invented by Ford.high heelsadjustab
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