九年级1—4单元的课件U.ppt

Unit 9,When was it invented?,（The 4th Lesson）,1. notice 2. invent 3. sour 4. ancient 5. heat 6. salty 7. crispy,Dictation-(1),8. operate 9. calculator 10. remain 11. produce 12. pleasant 13. legend 14. bakery,15. chef 16. be used for 17. according to 18. in this way 19. by mistake 20. by accident,21. 个人电脑发明于1976年。 22. 你知道电话是谁发明的吗？ 23. 雨伞是用来挡(keep off)雨的。,The personal computer was invented in 1976.,Do you know who the telephone was invented by?,Umbrellas are used for keeping off the rain.,Umbrellas are used to keep off the rain.,The umbrella is used for keeping off the rain.,The umbrella is used to keep off the rain.,now played everywhere,factories,for fun and,parks,schools,exercise,EQUIPMENT,NBA,ball,basket,backboard,National Basketball Association 美国职业篮球联赛,hoop,net,history,Basketball was invented,in,by,to,Canada.,James Naismith.,be played indoors during long winters.,on,December 21st, 1891.,_,_,_,12 team players,2 teams,to get the ball into the basket,Basketball was first played,Without referring to the article, use what you remember from the mind-map to answer the following questions.,1. Who invented basketball? 2. Why were the Berlin Olympics important to basketball? 3. Whats the aim of basketball? 4. Name a professional basketball organization in America?,James Naismith.,Because it was the first time basketball was played as an Olympic event.,To get the ball into the basket.,The National Basketball Association.,1. 取乐 2. 超过 3. 与相撞 4. 摔倒 5. 把分成 6. 向投掷,for fun,more than,knock into,fall down,divide into ,throw to ,7. 人们认为 8. 参加 9. 在国内 10. 的数量 11.美国职业篮球联赛 12. 梦想做某事,Its believed that ,take part (in),at home,the number of ,National Basketball Association,dream of doing sth.,Writing,What do you think is the most useful invention?,What invention do you think is the most annoying?,Why?,There are many inventions in the world. Among them, I think the is the most useful. ,A: What do you think is the most helpful invention? B: I think the most helpful invention is the light bulb. A: Why is that? B: Well, it gives people more time to work and play every day .,light bulb,A: What do you think is the most annoying invention? B: I think the most annoying invention is the alarm clock. A: Why is that? B: Well, it often wakes me up when Im sleeping .,alarm clock,1. century 2. active 3. basket 4. divide 5. below 6. develop 7. metal,Dictation-(2),8. towards 9. worldwide 1