人教新目标九年级英语上册课件 Unit 6 Section A-2（共39张PPT）

Unit 6 When was it invented? n. 鞋跟；足跟 /hi:l/ n. 勺；铲子 /sku:p/ n. 电；电能 /,ilek'trisəti/ n. 样式；款式 /stail/ n. 高兴；愉快 /'pleʒə(r)/ n.(=zip) 拉链；拉锁 /'zipə(r)/ adj. 每日的；日常的 /'deili/ heel scoop electricity style pleasure zipper daily Words and expressions 有道理 n. 网站 /'websait/ n. 先锋；先 /,paiə'niə/,/,paiə'nir/ v. 列表；列清单 /list/ n. 名单；清单 v. 替代；说到 /'menʃn/ have a point website pioneer list mention Words and expressions What are the Four Great Inventions in ancient China? Do you know? paper-making 造纸术 compass 指南针 printing 印刷术 gunpowder 火 药 造纸术 印刷术 car What’re these called in English? television telephone computer calculator microwave oven light bulb battery Look at the things. In what order do you think they were invented? A: I think the calculator was invented before the computer. B: Well, I think the calculator was invented afte