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1、Unit 9WHEN WAS IT INVENTED ?light bulbinventionEdisoninventorEdison invented the light bulb.The light bulb was invented by Edison.invent telephone carTV setcalculatorcomputerQuestion:When were they invented ?19711825192318271BListeningabedc18761885192719711976PAIRWORK(1C: P68)18851976A:When was the

2、car invented ?B:I think it was invented in 1885.PAIRWORK197119271876battery-operated slippersheated ice cream scoopshoes with adjustable heelsAnswers:1.shoes with adjustable heels2.battery-operated slippers3.heated ice cream scoop4.be used for +v-ing5.be invented by 6.see in the dark 7.change the st

3、yle of the shoes 8.scoop really cold ice cream JULIE THOMPSONChelsea LanmonJayce Jayce CoziarCoziar and and Jamie Jamie EllsworthEllsworthNamesPairwork- What are they /is it ?- They are shoes with adjustable heels./It is - Who were they/ was it invented by ?- They were/It was invented by - What are they /is it used for ?- They are/It is used for