人教版九年级英语unit13知识点

1、Unit 13 Were trying to save the earth! 我们正在设法挽救地球写出下列短语的英文1. 充满 2. 关闭 3. 扔进 4清理，打扫 5. 在起作用 6. 扔掉 7. 减少 8. 代替 9. 起作用；有影响 10. 导致 11. 听说 12. 切断 13. 不但而且 14. . 对有害 15. 食物链 16.在顶部或顶端 17 .科学研究 18 . 参加 19.帮助解决难题 ，帮助摆脱困境 20. 关掉 21为。付钱；付出代价 22. 加起来 23.采取行动 24.好好利用某物 25 .拆下， 摧毁 26. 上下颠倒 27. 恢复， 唤起 ， 归还 28. 有一

2、个创新的头脑 29. 浪费时间做某事 30. 赢得奖 31. 创建 32. 因而著名 33. 从改造 34. 和往常一样 默写以下重点单词乱扔 底部 煤 丑陋的 优点，优势 花费，成本 公众的 木制的 塑料的 外卖的，外卖食品 残忍的 有害的 工业，行业 法律 科学的 买得起 可重复使用的 再利用 大门 总统，主席，负责人 金属 鼓舞人心的人或事物 使遭受危险 P99 3b 濒临灭绝的 P101 1a 【本单元语法】现在进行时；used to句型；被动语态；现在完成时；情态动词。1. 现在进行时（1）含义：表示正在发生或进行的动作，表示现阶段一直进行的动作，表示主语的特征、性格、能力（2）谓语

3、动词构成方式：be + 动词现在分词（be 的形式随主语的变化而变化）特殊用法：表示位移的动词可以用现在进行时表示将来I'm leaving for Beijing next week. （我下周要去北京) We're flying to Paris tomorrow.(我们明天乘飞机去巴黎） 2. used to do句型 -过去常常做某事 (unit4)used to意为“过去常常做某事”，指的是过去的习惯性动作，Ø He used to stay up late. 他过去常熬到很晚。比较： be used to doing  习惯于做某事 She is

4、 used to drinking a cup of coffee every morning. 3. 现在完成时（1）含义：表示过去发生的动作对现在还有影响, 或者表示动作发生在过去或一直延续到现在，还可能继续下去。或者表示一种“经历或体验”，即可以表示经历过也可以是从来都没有经历过（2）谓语动词结构： have / has + 动词 过去分词Someone （break） the window. 有人把窗户打破了。(结果：窗户仍破着。)He （teach）in our school for 30 years. 他在我们学校教书已有30年了。 He （be） to the 

5、;USA three times. 他已经去过美国三次了。（表示一种经历）He never （be）to Beijing.他从没有到过北京（表示没有经历过）（3）句中出现already, since, for , just，yet，ever，never，so far等词时，常及现在完成时连用He already （get） her help.他已得到她的帮助。       He just （see）the film.他刚刚看过这场电影。      

6、0;He  （come） back yet.他还没有回来This is the best film I ever （see）.这是我曾经看过的最好的一部电影。    He never （been）to Beijing.他从没有到过北京。She （pass）the exam so far.到目前为止她已经通过了考试。She （live）in Changsha since 1995.The twins （wash）the clothes for an hour. 4. 被动语态谓语动词构成方式：be +动词过去分词 （be动词有时态的变化）主要掌握

7、以下几种时态的被动语态谓语构成（1）一般现在时的被动语态：am / is / are + 过去分词 The river is polluted by the factories.（2）现在完成时的被动式： have / has + been + 过去分词 The air has been really polluted around here.（3）一般过去时的被动式：was / were + 过去分词 It was considered the nicest river in town.（4）含有情态动词的被动式：情态动词+be +动词的过去分词。 Have you ever thought

8、 about how these things can be put to good use? 你曾经考虑过这些东西要怎样才能好好利用吗？5情态动词 can, could, may, might, must, should情态动词表示说话人对某一动作或状态的态度，如认为“可能”、“应当”、“必要”等。情态动词本身有一定的意义，但不能单独作谓语，也没有人称和数的变化。后面一般跟动词原形。We should help save the sharks. 我们应该帮助挽救鲨鱼。We shouldnt use paper napkins .我们不该用餐巾纸。本单元重点句型 以及知识点1. ha

9、rmful 形容词，意为“有害的”。常构成短语be harmful to “对有害的” = do harm to “对有害”。Too much smoking does harm to his health. = Too much smoking is harmful to his health. 2. 辨析：join, join in 和take part in Join + 加入组织成为其中的一个成员+ sb 加入某人当中一起参加某活动join in 加入一种具体活动take aprt in 指参加会议或群众性活动等 例如：Will you in the discussion? 你参加我们

10、的讨论吗？ She the Young Pioneers. 她加入了少先队。 Why didn't you the talk last night? 昨晚你为什么没参加座谈？Did you the sports meet? 你参加运动会了吗？3. afford的用法 afford是动词，意为“买得起,担负得起”，通常及can, could, be able to连用, They couldnt afford a house. 他们买不起房子。 afford to do sth。 有足够的钱干。 （cant afford to do 没有足够的钱做某事）We cant afford to

11、 go abroad this summer. 今年夏天我们没有足够的钱出国4. 辨析：need to be done; need doing及need to do need doing （主动形式表示被动意义） = need to be done "需要被" My watch needs repairing. =My watch needs to be repaired.我的表需要修了。The baby needs washing hands . = The baby needs to be washed need后加不定式to do “需要做某事” He needs t

12、o get up early. 他需要早起。Section A: 1. We are trying to save the earth. 我们正在竭尽全力挽救地球。try to do = try ones best to do 设法做某事2. Even the bottom of the river was full of rubbish. It used to be so clean.be full of 充满 used to do 过去常常做。3. But people are littering in the river. 但是人们在河里乱扔。(litter 乱扔- V. 垃圾-N. )

13、 litter 指可以回收的垃圾， rubbish - 不能回收的垃圾4. Everyone in this town should play a part in cleaning it up.我们镇上的每个人都应该尽一份力把这条河清理干净。Play a part in在。方面起作用，在。中扮演角色=play a role in5. To cut down air pollution, we should take the bus or subway instead of driving.Cut down 减少 cut off cut out instead of doing sth.代替6.

14、 Its good for health and it doesnt cost anything. 它对健康有好处并且不花费任何东西。辨析：cost，spend, take, pay forcost （过去式：cost 过去分词：cost）表示“花费 ”时， 主语是物，spend 表示“花费”，主语是人take 表示“花费”时，用于 句型“It takes sb some time to do sth”pay for 表示为。付钱eg: The coat cost me 200 yuan. = I spent 200 yuan on this coat. I paid 200 yuan for

15、 this coat. It took me two hours to finish my homework. 7. Our action can make a difference and lead to a better future. 我们的行动能产生影响并且通向一个更好的将来。 make a difference （ to） 对。产生影响，lead to 通向,导致8. Many have heard of Sharks fin soup. This famous and expensive dish is especially popular in southern China. （

16、hear of 听说，hear from southern 南部的 ）9. When people catch sharks, they cut off their fins and throw the shark back into the ocean. （ cut off 割断， throw back 扔回 ）10. A shark can no longer swim and slowly dies. 鲨鱼可能不能再游泳，就会慢慢死亡。 不再： no longer = notany longer (侧重时间) no more = notany more (侧重数量) He no long

17、er lives here. = He doesnt live here any longer. (侧重时间) You can drink no more = He cant drink any more. (侧重数量)11. This method is not only cruel, but also harmful to the environment. Not only but also 不但。而且。（连接并列成分，also可以省略） He can not only sing well, but ( also )dance well. Not only I but also you （

18、be）invited yesterday. （连接两个主语时，注意谓语采用就近原则）Not only the poor man （ fine 罚款）but also had been sent to the prison. Be harmful to对。有害12. Many believe that sharks can never be endangered because they are the strongest in their food chain. (endanger vt. 使遭到危险 ) endangered adj .13. in fact 14. The numbers

19、of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. （注意下降或上升了多少比例要用介词by ）15. So farSection B：16. Recycling paper is really easy. 回收再利用纸很容易。 (recycle 动词，动词不能做主语，一定要变成动名词 recycling 才能做主语)17. But its hard to stop riding in cars. 但是停止开小汽车是很难的。句型18. Turn off the lights when

20、 you leave a room. Turn off turn on turn up turn down19. Do you often throw away things you dont need any more. 20. Have you ever thought about how these things can actually be put to good use？ Put sth. to good use make good use of sth.21. She lives in a house in the UK that she built herself out of

21、 rubbish. build / makeout of 用。建造22. The top of the house is an old boat turned upside down. （turned upside down 是一个过去分词短语修饰boat，表示被动）23. Amy is an inspiration to us all. Inspiration 鼓励人心的人 - inspire Vt. 鼓24 She has been doing this for a few years now. 她做这事已经有好几年了。 has been doing 是 现在完成进行时 （表示动作从过去开

22、始一直延续到现在而且还正在做）29. Wangtao set up a small business in Shanghai four years ago. 王涛四年前在上海创立了小宗生意。16.Not only can the art bring happiness to others，but it also shows that even cold，hard iron can be brought back to life with a little creativity. Bring back 恢复，唤起，归还 Not only 引导一个句子放句首，要用部分倒装，即将 情态动词，助动词等

23、放在主语的前面Not only my aunt （teach ）at school, but also she wrote articles (文章)for newspapers. 一单项选择 1. Trees used to be _ for cooking by the villagers in the 1970s.A. cut up B. cut down C. cut off D. cut in 2. The windows and doors _ old buildings around the town.A. make of B. make from C. make up of D

24、. came from3. - _ you ever _ the Great Wall? - Yes, twice.A. Have, been B. Have, been to C. Have, gone to D. Have, been in4. A little wine(酒) will not be to your health. Just dont drink too much.(2014无锡) A.helpful B.helpless C.harmful D.harmless5. I have never_ the strange animal before.Aheard of Bl

25、istened Clistened to D.heard from6. Turn your radio down please. Its_. And I cant stand it.A. very nice B. very quiet C. too noisy D. really pleasant7Students are not _ to speak loudly in the reading room.A. told B. believed C. supposed D. advised8 Could you give some _ to the English teachers? Sure

26、.A. suggestion and advice B. suggestions and advices C. suggestion and advices D. suggestions and advice9I find _ easy to remember everything, though Im quite old.A. it B. its C. this D. that10. This interesting book only _ me ten yuan and I _ ten month reading it.A.cost,spend B. cost,spent C. spend

27、s,cost D. spent ,costs11Many young adults _ foreign cartoons now.A. be interested B. become interest in C. show great interest in D. show great interested 12. You must _ your handwriting .I cant read your homework.A. improve B. raise C. be improved D. be raised13.The book store _ a big sale. The boo

28、ks there must be very cheap now.Sounds great. Lets go into it and have a look. （2014十堰） A. will have B. had C. is having D. was having14China is going to a manned space station around 2020 to explore more space.（2014连云港）A, set upB. put up C. wake upD. turn up15. How does Jack usually go to work? (20

29、13湖北随州)He _ drive a car, but now he _ there to lose weight.A. used to; is used to walk B. was used to; is used to walkingC. was used to; is used to walk D. used to; is used to walking16. It's getting dark. Please _ the light. (2013江苏淮安)A. turn on B. turn off C. turn down D. turn around17. -How d

30、o yo u like the two pairs of shorts? (2014滨州) -They dont fit me well.They are_ too long _ too short. A.not only; but also B.both ;and C.neither;nor D.either;or18. Look! The police _ the food onto the bank of the river. 【2014宜宾】A.am carrying B. is carrying C. are carrying D . are carried19.Mr. Li wil

31、l check our homework this afternoon. _ you _ it? 【2014南昌】Not yet. I'm doing it right now.A. Do; finish B. Had; finished C. Will; finish D. Have; finished20. I heard that Line I of Ningbo Subway _ last month. 【2014宁波】A. was tested B. is tested C. tests D. tested21. _ sweet music! Do you like it?

32、Mm, it _ beautiful! （2014铜仁）A. How a, soundsB. How,listensC. What a,listensD. What,sounds22. At present, one of the best ways to study is working in groups. More chances _ to students to learn from each other. (2013湖北宜昌) A. offer B. are offered C. have offered D. are offering23. What _ the number of

33、 the students in your school?About two thousand. A number of them _ from the countryside.（2014泰安）A. is; ,are B. is; is C. are; is D. are; are24. Claudia, are you going to Jeffs birthday party on Saturday?-Unless I_ . （2014黄冈）A. will be invited B. am invited C. was inviting D. invited25. If farmers t

34、rees and forests, giant pandas nowhere to live.【2013雅安】 A. cut down; have B. will cut down; will have C. will cut don; have D. cut down; will have26. Recycling is good, so don't_ bottles or newspapers.（2014南昌） A. find out B. hand in C. use up D. throw away27. The astronaut is so tired that he _

35、for eleven hours.（2013青岛）A.has been asleep B.has fallen asleep C.has gone to bed D.has gone to sleep28.What do you think of your host family, Jim?Great. They try _ best to make me feel at home. （2014十堰）A. theyB. their C. them D. theirs29. Why are you in such a hurry, John?There _ an NBA basketball g

36、ame in ten minutes.（2014泰安）A. will be B. was C. would be D. has been30. - Some children can't afford _ necessary stationary. - Let's donate our pocket money to them.（2014扬州） A. buyB. buyingC. to buyD. be bought31. Did you have anyone _ the trees? （重庆） Yes, I had the trees _.A. to water, water B. to water, watered C. water, to be watered D. water, watered32. Our holiday was _. Yes,Ive never had _. (安徽)A. such great, the better one B. greatly, a good one C.