【正文】
Unit 6 When was it invented? Section A, 1a2d 一、 Teaching Aims: learn and to use new words heel electricity scoop style project have a point pleasure zipper daily website pioneer list mention talk about the history of inventions 二 、 Teaching key points: structure: A: When was the telephone invented? B: I think it was invented in 1876. words and phrases: heel electricity scoop style project have a point pleasure zipper daily website pioneer list mention 三、 Teaching difficult po