Unit 6When was it invented?Section A 2d&Grammar focus课件2021-2022学年人教版九年级英语全册

Unit 6 When was it invented? 人教新目标版 九年级上 SectionA 2d Grammar Focus-4c 7. low[ləʊ] adj.低的;矮的 8. sudden [ˈsʌdn] adj.突然(的); suddenly adv.突然地 9. bell [bel] n.钟(声);铃(声) 10. biscuit [ˈbɪskɪt] n.饼干 11. cookie [ˈkʊki] n.曲奇饼 12. musical [ˈmjuːzɪkl]adj.音乐的;有音乐天赋的;musician n.音乐家 13. instrument [ˈɪnstrəmənt]n.器械;仪器;工具 重点单词 1. fridge[frɪdʒ] n.冰箱 2. earthquake[ˈɜːθkweɪk] n.地震 3. somebody [ˈsʌmbədi] pron.某人; someone n. 重要人物 4. translate [trænzˈleɪt] V.翻译;translation n.翻译 5. lock [lɒk] v.锁上，锁住; n.锁 6. ring[rɪŋ] v. (使)发出钟声或铃声;打电话 Invention Inventor Time Usage (用途) telephone Bell 1876 making phone calls computer an American 1976 getting information light bulb Edison 1879 giving light camera a Frenchman 1839 taking pictures bike a German 1817 riding Make conversations according to the table. A: When was... invented? B: It was invented by... in... A: What is it used for? B: It is used for... What do these things have in common? They all have zippers. zipper n. 拉链；拉锁 New drills The zipper is a small and normal invention in our daily lives. However, we can see zippers almost everywhere! Paul is preparing for his school project. Roy comes to help him. Read the conversations between them and find out something about the zipper. project n. 课题；项目 What is the subject for their school project? 2. What kind of invention does Roy think of? 3. Why does Roy think it is a great invention? 4. Who and when was the zipper invented? 5. When did the zipper become popular? Small inventions that changed the world. The zipper. Because it is often used in our daily lives. Whitcomb Judson invented it in 1893. Around 1917. Read 2d carefully and answer. 2d Listen again and repeat. Paul: Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention? Roy: With pleasure! Let me think… hmm… I know! The zipper! Paul: The zipper? Is it really such a great invention? Roy: Think about how often it’s used in our daily lives.