Unit-9-When-was-it-invented复习课.ppt

1、Unit 9 When was it invented?,1.invent 2.salty 3.sour 4.ancient 5.remain 6.notice 7.produce 8.pleasant 9. throw 10. taste,11. n.世纪 12. adj.活动的 13. v.创造 14. v.敲 15. v.分开 16. prep.在的下面 17.v.(使)发展 18. v.上升,century,active,create,knock,divide,below,develop,Words,（词汇）,1.invent v.发明 2.inventor n.发明家 3.inven

2、tion n.发明物,拓展,inventor,invented,inventions,Words,（词汇）,notice +,sb./ sth. doing sth.,注意到某人/物正在做某事 （注意到动作正在进行）,eg: I noticed Mary singing in her room at this time yesterday.,sb./ sth. do sth.,注意到某人/物做某事 （注意到动作的全过程）,eg: Did you notice Tom play basketball?,类似用法的动词还有：see, watch, hear, find,解析,Words,（词汇）,

3、1.pleasant adj. 合意的；令人愉快的；讨人喜欢的 eg: It is a pleasant day. 2.pleasure n. 愉快；快乐；高兴 eg: Dialogue 1 A: Thank you very much. B: Its my/ a pleasure.(不用谢) Dialogue 2 A: Could you help me carry the box? B: With pleasure.(乐意效劳),pleasant,pleasure,辨析,Words,（词汇）,1.below 在的下面；低于(不强调在正下方)，与above相对 2.under 在的下面 (强

4、调在正下方)，与over相对。,辨析,below,over,under,Words,above,（词汇）,develop v.发展 development n. 发展 developing adj.发展中的 developed adv. 发达的,development,developing,developed,拓展,Words,（词汇）,用来做 错误地 偶然地；意外地 根据；按照； 落入；陷入 这样 的数目 8.与相撞 9.把分为,be used for,by mistake,by accident,according to,fall into,in this way,the number o

5、f,divide into,Phrases,knock into,（短语）,/ by chance,1.be used for doing sth. “用来做”表示用途或目的, 等于“be used to do sth.” eg:Knives are used for cutting things. 2.be used as “把用作”，as是介词，意为“作为”。 eg：The house is used as a classroom. 3.be used by “被使用”介词by后接动作的执行者。 eg: English is used by many people around the w

6、orld.,拓展,by,as,for,Phrases,（短语）,1.in this way 用这种方法；这样 2.in the way 阻碍；挡道 3.by the way 顺便说一下 4.on ones/ the way (to) 在（某人）去.的路上,拓展,Phrases,（短语）,the number of表示“的数目”，通常和可数名词复数搭配 使用，做主语时谓语动词用单数形式。 eg: The number of students in our class is seventy. 2. a number of 表示“大量的” 修饰可数名词复数，做主语时谓语 动词用复数形式。 eg: A

7、 number of students are going to the movies tonight.,辨析,Phrases,（短语）,Challenge,选择你喜欢的一天并完成相应的题目。 完成正确的同学可以得到相应的奖品。,Rules,根据句意及首字母提示完成单词,Could you please d_ the apple into two halves and give me a half.,单项选择,The machine is used _ making shoes _ the workers. A. as; for B. for; as C. by; for D. for; by

8、,解析：be used for doing sth. 被用来做某事 be used by 被使用,根据句意及首字母提示完成单词,Last week we had a p_ trip.,leasant,完成句子 过马路的时候一定要小心点，否则你会撞到别人。 You must be careful when you cross the road, or youll _ others.,knock into,The temperature will fall _ (低于) zero tomorrow.,根据句意及汉语提示完成单词,below,完成句子 炸薯条是偶然被发明的。 The potato c

9、hips were invented _.,by accident,When we talk about the inventions, we can talk about them from three aspects.,1. When,2. Who,3. What,was the telephone invented?, It was invented in 1876.,was it invented by?,It was invented by Bell.,is it used for?,It is used for calling others.,Sentences,1.When,2.

10、Who,3.What,（句子）,light bulbs 1879 Edison give light,1. When were light bulbs invented?, They were invented in 1879.,2.Who were they invented by?,They were invented by Edison.,3. What are they used for?,They are used for giving light.,Sentences,（短语）,英语动词有两种语态：主动语态和被动语态。当主语是动作的发出者时，动词用主动语态；当主语是动作的承受者时，

11、动词用被动语态。,eg: We speak English. (主语we是speak这个动作的发出者 主动语态 ) English is spoken by us. (主语English是speak这个动作的承受者 被动语态 ),一般来说： 1.当我们不知道谁是动作的执行者; 2.只需强调动作的承受者时，要用被动语态,Passive Voice (被动语态),Grammar,（语法）,be + 及物动词过去分词(done),被动语态结构：,时态： 1.一般现在时 2.一般过去时 3.含有情态动词的被动语态,am/is/are + done,was/were+ done,情态动词(should/

12、 must/ can等)+ be+ done,Grammar,（语法）,一般现在时的被动语态：,am/is/are + 过去分词,1. People play football around the world.,Football _ _(by people) around the world.,is played,2. Mr. Green teaches us this term.,We _ _ (by Mr. Green) this term.,are taught,Grammar,（语法）,一般过去时的被动语态：,was/were + 过去分词,3. People built the G

13、reat Wall long ago.,The Great Wall _ _ (by people) long ago.,was built,4.We used the machines to make shoes.,The machines _ _ (by us) to make shoes.,were used,Grammar,（语法）,含有情态动词的被动语态：,情态动词（should/ must/ can等)+ be + 过去分词,5. We must finish our homework on time.,Our homework _ _ _(by us) on time.,must

14、 be finished,6.We can use computers to surf the internet.,Computers _ _ _ to surf the internet.,can be used,Grammar,（语法）,1.Chinese _ by more and more people in the world. (2012 海南 33) A. is spoken B. is speaking C. speaks,2.Some parts of China are very thirsty now. I think water _ to those places I

15、think so.(2011 海南 31) A. must send B. must be sent C. be sent,Grammar,（语法）,中考链接,3.Many accidents _ by careless drivers last year. (2011北京，34） A. are caused B. were caused C. have caused D. will cause,4.People who drink wine _ to drive . （2011 广东，35) A. dont allow B. isnt allowed C. mustnt allow D. m

16、ustnt be allowed,Grammar,（语法）,中考链接,Writing,写作,练练手 算盘(abacus)的发明,There are some great inventions in old China, such as the abacus. I want to tell you something about it. _ _ _ _ _,用所给词的适当形式填空。 1.Rice _ (grow) in the south of China. 6.Your bike _ (must not put) there. 4.The young trees _ (not water) y

17、esterday. 2.You _(want) on the phone. 3.Li Ming _(ask) to clean the room yesterday. 6.Many stars _ (can see) at night.,Exercises,1.invent 2.salty 3.sour 4.ancient 5.remain 6.notice 7.produce 8.pleasant 9. throw 10. taste,11. n.世纪 12. adj.活动的 13. v.创造 14. v.敲 15. v.分开 16. prep.在的下面 17.v.(使)发展 18. v.上

18、升,century,active,create,knock,divide,below,develop,Words,（词汇）,用来做 错误地 偶然地；意外地 根据；按照； 落入；陷入 这样 的数目 8.与相撞 9.把分为,be used for,by mistake,by accident,according to,fall into,in this way,the number of,divide into,Phrases,knock into,（短语）,/ by chance,was the telephone invented?, It was invented in 1876.,was it invented by?,It was invented by Bell.,is it used for?,It is used for calling others.,Sentences,1.When,2.Who,3.What,（句子）,light bulb