Unit 6 When was it invented Section A 1a～2d 课件 2025-2026学年人教版（2012）九年级英语全册

Unit 6 When was it invented? Section A 1a~2d Natrual or man-made? natural man-made man-made We call them inventions . 发明 In what order do you think they were invented? 一般过去时的被动语态： was/ were + 动词的过去分词 I think …was invented after… I think …was invented before… car computer telephone TV When was the telephone invented? It was invented in… . Who was the … invented by…? Bell It was invented by… . Benz Baird The …was invented in… and was invented by… changing in the dark serving be used for 被用做于…… Listen again and pay attention to the structure “be used for”. 1.Who was the zipper invented by? 2.When was the zipper invented ? 3.Where is the zipper used in our daily lives? 4.When did the zipper become popular ? 1.Who was the zipper invented by? 2.When was the zipper invented ? 3.Where is the zipper used in our daily lives? 4.When did the zipper become popular ? It was invented by Whitcomb Judson. It was invented in 1893. It is used on dresses, trousers, shoes, bags…almost everywhere! It became popular around 1917. Lavf57.62.100 55117.49 55117.49 55117.49 Lavf57.62.100 $$