九年级新目标 Unit 9 When was it invented? Section A(1a-2c) gun powder papermaking 指南针 造纸术 火 药 印刷术 compass printing 【最新】九年级英语上册 Section A 课件 人教新目标版 课件 Which do you think is the most important invention in the world? What other inventions can you think of? TV? telephone? radio? computer? calculator? car? I think the most important invention is 【最新】九年级英语上册 Section A 课件 人教新目标版 课件 telephone B: It was invented in 1876. A: When was the telephone invented? A: Who was the telephone invented by? B: It was inven
