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1、 Unit 9When was it invented?light light bulb-When was the record invented? -It was invented in1935.-Who was it invented by? -It was invented by Marvin .in 1814 Stephensonin 1993 Jiang Wanmengin 1827 Joseph1800 years ago Zhang ZhongjingWhen was/were theinvented? Who was it/were they invented by? 一般過去

2、時的被動語態(tài)結構： 肯定句：s+was/were+done+其它. 否定句：s+was/were+not+done+其它. 一般疑問句：was/were+s+done+其它? 特殊疑問句：特詞+was/were+s+done？Listening,Listen and match the inventions with the dates._1876_1885_1927_1971_1976abecd - Who was . invented by? - It was invented by. - When was .invented ? - It was invented in. Things

3、Inventors Time car Carl Bens 1885 computer John.v.Atanasoff 1976 calculator Jack Kilby 1971 telephone Bell 1876 television Bellard 1927compasspaper-makinggunpowderprintingcalculatorbattery-operated slippers shoes with adjustable heelsheated ice cream scoopMatch the inventions with their inventors an

4、d uses.inventionWho was it/were they invented by?What is it/are they used for1.shoes with adjustable heelsA.Chelsea Lanmona.scooping really cold ice cream2.battery-operated slippersB.Jayce Coziar and Jamie Ellsworthb.seeing in the dark3.heated ice cream scoopC.Julie Thompsonc.changing the style of t

5、he shoesIf youre alone on a tiny island ,what you would like to have with you. What are they used for? 參考詞匯：參考詞匯：seeds(種子種子)tent(帳篷帳篷)torch(手電筒手電筒)tell(辨別辨別)Summary,Summary,New words: calculator adjustable Drills:-When was it invented? -It was invented in-Who was it invented by? -It was invented by -what are they used for? -They are used for Good bye!Good bye!