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1、九年级人教新目标,Unit 9 When was it invented?,Self check,重点单词复习,1.project n. 项目，工程；2. pleasure n. 高兴，愉快； 3. daily adj. 日常的，每日的； 4. mention v. 提到，说到；5.nearly adv.几乎，差不多； 6.boil v. 煮沸，烧开；7.remain v. 保持不变；剩余；8.national adj.国家的，民族的；9. low adj.低的，矮的； 10.translate v. 翻译；,11.lock v.锁上；n. 锁；12.sudden adj. 突然的13. cr
2、ispy adj. 脆的；酥脆的；14. salty adj. 咸的； 15.sour adj. 酸的，有酸味的；16.customer n. 顾客。17. Canadian 加拿大的， 18. divide v. 分开，分散；19. hero n 英雄，男主角； 20. professional adj. 职业的，专业的；,重点短语复习,1. shoes with special heels 特殊后跟的鞋子 2. hot ice cream scoop热的冰其淋勺子 3. run on electricity 电动的4. be used for 被用作5. the subject for m
3、y school project学校项目的课题 6. our daily lives 我们的日常生活 7. have a point有点道理 8. by accident偶然，意外地 9. over the open fire在火堆上 10. fall into the water 落入水中 11. take place 发生 12. without doubt毫无疑问,13. at a low price 以一个很低的价格 14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然 16. by
4、 mistake 错误地 17. a much-loved and active sport一个深受喜爱并且积极的运动18. divideinto 把分开 19. stop sb from doing sth 阻止某人做某事 20. look up to钦佩，仰慕 21. the professional basketball groups职业篮球机构22. use someone elses idea借用其他人的想法,重点句型,1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。2. -When was the tele
5、phone invented? - 电话是什么时候发明的？ -I think it was invented in 1876. -我认为电话是在1876年被发明的。3. -What are they used for? -他们可用来做什么？ -They are used for changing the style of the shoes -他们可用来改变鞋子的样式。,4. -When was the zipper invented? -拉链是什么时候发明的？ -It was invented in 1893 .-它是在1893年被发明的。5. -Who was it invented by
6、? -它是由谁发明的？-It was invented by Whitcomb Judson. -它是被惠特科姆.贾德森发明的。,6. -When was tea brought to Korea? -茶是什么时候被带到韩国的？-It was brought to Korea during the 6th and 7th centuries.-它是在六至七世纪被带到韩国的。7. -What is the hot ice-cream scoop used for? -这个热的冰其淋勺子是用来做什么的？ -Its used for serving really cold ice-cream -它是
7、用来提供真正冷的冰其淋。,Do you know the difference?,be invented by,be invented in,be invented to,Emphasize on person,Emphasize on time or place,Emphasize on the usage,Can you make sentences with them?,1. Telephone _ Alexander Graham Bell, who is an Englishman. 2. various things have _ record the history of hum
8、an being. 3. paper _ first _ ancient China, and it is one of the most important inventions in the world.,be invented by/in/to,was invented by,invented in,was,been invented to,Please translate these sentences into English. 1. 这样的话，我们明天就可以完成任务了。 _ _ _, we can _ our task tomorrow. 2. 茶是在很偶然的情况下发明出来的。 T
9、ea was _ _ _. 3. 我们爬山的时候不小心掉进一个山洞里了。 We _ _ a hole when we _ _ the mountain. 4. 自从发明了电之后，人类历史进入了新的篇章。 After electricity _ _, our history _ _ a new stage.,In this way,finish/ complete,invented by mistake,fell into,were climbing,was invented,got,into,clean up the,Self check 1 Complete the passage with
10、 the correct forms of the words in the box.,It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may things which are the same. Opinions are then about who came up with the idea first. Some inventions can also all of a lead to other inventions
11、. So some people whether the inventor came up with the idea himself or herself.,produce,nearly,divided,sudden,doubted,They think that the inventor used someone elses idea to create his or her invention. That is why books or websites usually more than one inventor when giving information about invent
12、ions.,mentioned,Self check 2 Rewrite these sentences using the passive voice.,1. Someone stole my watch.2. They used five eggs to make this big cake.,My watch was stolen by someone.,Five eggs were used (by them) to make this big cake.,3. When did they invent the personal computer? 4. They asked us n
13、ot to run in the hallway. 5. Someone took the video back to the store.,When was the personal computer invented by them?,We were asked (by them) not to run in the hallway.,The video was taken back to the store (by someone).,motorcycle in 1885,toothbrush in 1780,washing machine in 1858,根据汉语及首字母写出单词。,1
14、. When I began to sing，he laughed and made me very e_(尴尬的)2. After a long trip to Europe，1 felt very e_(精疲力竭的)3. a_：to make known publicly4. d_：to give an account of in speech or writing,embarrassed,exhausted,announce,describe,5. a_：one that is invested with this power，especially a government or gov
15、ernment officials.6. Last night a friend of mine invited me to a c_ party (化装舞会),authority,costume,Self check 3 Find out information about one invention and write sentences below.,Invention: When: Who: Purpose:,Homework,Choose one of the inventions which you think is the most important, and then write a paragraph about it.,
