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1、Unit 9 When was it invented?Language goal:talk about thehistory of inventions11.The computer was invented in_2.The calculator was invented in_3.The telephone was invented in_24.The tevision was invented in_5.The car was invented in_31.The computer is used for_2.The calculator is used for_3.The telep
2、hone is used for_44.The television is used for_5.The car is used for_ 51.The battery-operated slippers are used for _.2.The heated ice cream scoop is used for_.3.The shoes with adjustable heels are used for_6Language points of Section A:1.现代发明现代发明2.当然当然3.上一堂上一堂 课课4.我的一个朋友我的一个朋友5.分析句式分析句式:Sure they were.Thats something I do.But I do now.6.被某人发明被某人发明