Module12Unit2（知识精讲练习）九年级英语上册讲义（学生版).docx

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1、Module 12 Save our worldUnit 2 Repeat these three words daily: reduce, reuse and recycle.印知识精讲1. How green are you?你有多环保？（教材第98页，3）本模块的green都是表示“环保的，有利于环境的，关注环境的工green最常见的意思是“绿色，绿色的”令 This kind of cleaning product is green.这种清洁产品是环保的。令 Lets make our school a green school.让我们打造一个绿色环保学校。2. Do you walk

2、 or ride a bike to school?你是步行还是骑车去上学？（1）这句是选择疑问句：提出两个或多个事物让对方选择，供选择的部分之间用or （“或者”） 连接。回答不能用yes或no,根据实际作答。令 Is your brother a teacher or a doctor?你哥哥是老师还是医生?Neither. He is a driver.都不是。他是个司机。（2） ride a bike to.=go to.by bike 骑自行车去I ride a bike to school. = I go to school by bike.【注意】“骑自行车”的动词短语里有冠词，

3、介词短语零冠词。乘坐其他交通工具，用法一样。ride a bike 或者 take the bikeby bike3. Do you take your own bag when shopping and not ask for a plastic bag?购物时你带着自己的袋子而不要塑料袋吗？（教材第98页，3）Repair them if possible.如果可能,就修理一下它们。（教材第98页，3）（1）状语从句的省略when或while引导的时间状语从句的省略when shopping是when you are shopping从句的省略式。当从句主语与主句主语一致，且从句谓语中 含

4、be动词时，则从句中的主语+be动词一起省略。令 When （he was） playing the drum, he noticed Wendy was playing the piano.当他敲架子鼓时，他看到温迪正在弹钢琴。令 While (I was) doing the dishes, I listened to the radio.我洗碗的时候，会听收音机。令 When (you are) in Rome, do as the Romans do.入乡随俗(当你在罗马时，要像罗马人那样做)。【拓展】when doing/while doing比较常见，已经成固定用法，有时候不拘泥于

5、主语是否一致。令 Good posture is important when (we are) working at the puter.当(我们)在电脑前工作时，良好的姿势很重要。Whenacross the road, you should be careful.A. walk B. to walk C. walked D. walkingif条件状语从句的省略当从句的主语是it,且谓语是be动词时，则主语it + be动词一起省略。课文句子中的if possible 如果可能”是if it is possible的省略形式。 If possible, please inform me

6、when you finish your homework.如果可能的话，当你完成作业了，请通知我。注意：其他种类状语从句也有省略式，初中阶段较少遇到，不再展开。(2) ask for请求,要求”。常见搭配ask sb for th 向某人要某物”。 You can ask fbr help if you cant finish the task on your own.如果你不能自己完成这项任务，你可以寻求帮助。令 Dont ask your parents for money any more since youve grown up.不要再向你父母要钱了，因为你已经长大成人了。4. An

7、d what do you do with the bottles when they are empty?瓶子空了时你怎样处理？【辨析】do with和deal with两者都有”处理；应对的意思，但侧重稍有不同。do with常与what连用，侧重对某物的利用或处置。deal with常与how连用，强调处理问题的方式或方法等。令 I dont know what to do with the mistakes.=1 don*t know how to deal with the mistakes.我不知道如何处理这些错误。5. Do you divide the waste into t

8、hings to recycle and things to throw away?你会把废物分成可回收利用的和需要扔掉的吗？(教材第98页，3)（1） divide及物动词，意为“(使)分开“，1刖也10.“把一分成.” 令 The room is divided into four sections.房子被划分成四个部分。（2） throw away 扔掉；丢弃”，是“动副”结构,宾语是人称代词时,要放在动副两词中间。令 Please throw it away.请把它扔掉。6. We all need a healthy environment, but we produce waste

9、 every day, and it is hannful to our environment.我们都需要一个健康的环境，但我们每天制造废物，这对我们的环境是有害的。be harmful to对有害近义短语：do harm to 或 be bad for0令 Playing puter games is harmful to your eyes.=Playing puter games does harm to your eyes.=Playing puter games is bad for your eyes.玩电脑游戏对你的眼睛有害。7. Repeat these three word

10、s daily: reduce, reuse and recycle.每天重复说这三个词：减少、反复使用和回收利用。re前缀表示“重复，再次九我们要善于用词缀法记忆单词。repeat 及物动词“重说”令 Please repeat what I said just now.请把我刚才说的话重复一遍。reduce 及物动词“减少；降低；缩小”reduce to减少到（强调减少后达到的数量）reduce by减少了（强调减少的程度）令 Alice tries to reduce her weight.爱丽丝设法减肥。令 The number of the teacher in our school

11、 reduces to 110.我们学校的教师数量减少到了 110。令 The price of the football was reduced by 30%.足球的价格降了 30%。reuse 及物动词“再次使用，重复使用”令 Cloth bags can be reused many times.布袋可以被重复使用。recycle 及物动词“回收利用（废品）名词recycling.令 We should recycle the papers.我们应当回收利用这些纸。8. Use things for as long as possible.尽可能长久地使用东西。（教材第98页,3）as.

12、as possible 尽可能地”，也可换成 as.as one can【注意】asas中间的形容词或副词用原级。令 Simon runs as quickly as possible.=Simon runs as quickly as he can.西蒙尽他可能最快地跑。9. Look after them so that they will last.好好保养它们，以便它们能持久耐用。（1）这里的look after意为“保管，保养某物。此短语还可以用于“照顾某人”。令I have to stay at home to look after my grandma.我必须留在家里照顾我奶奶。

13、（2） la式动词持续，持久，耐用。表示“持续”时，后面可跟具体的时间。令 The meeting only lasted a few minutes.这个会只开了 几分钟。last形容词“最后的；上一个的”，这是我们之前学的last的用法。令 He is the last student to leave the school,他是最后一个离开学校的。令 What did you do last weekend?你上个周末做什么了 ？10. Its better to use china cups and cloth bags because they can be used many ti

14、mes.使用瓷器杯子和布包会更好，因为它们可以被多次使用。ifs better to do sth “做某事更好”,it是形式主语，to do是真正主语。had better do sth “最好做某事”令 Its better to find a new job soon.尽快找份新工作更好。令 Youd better finish your homework as soon as you e home from school.你最好一放学回家就完成作业。（2021 全国单元测试）一Had we better leave right away?It s better for another

15、five minutes.A. waitB. waitingC. to waiting D. to wait11. Recycle means change things into something else to be reused”.回收利用的意思是“将东西变成其他能被再次使用的东西（教材第98页，3）changeinto“把.变成.”。It*s not possible to change air into gold.把空气变成金子是不可能的。12. We throw tons of rubbish away each year, and we have to make a chang

16、e.我们每年扔掉许多垃圾，我们必须做出改变。（教材第98页，3）（1） tons of 许多；很多”，相当于a lot of,后面接可数名词或不可数名词都行。 其中ton是名词，意为“吨”，故tons of后面的名词常是可用“吨”来计重的东西。令 China has tons of gold.中国有很多金子。令 The factory sells tons of products every year.这个工厂每年销售很多吨产品。（2） make a change “做出改变”，通常表示需要付出努力才能发生改变。You can make a change as long as you work

17、 harder.只要你学习更努力，就会做出改变。13. We cannot hope fbr rapid change, but let!s take these simple steps today.我们不能期待很快速的变化，但是让我们从今天开始采取这些简单的措施take.steps采取措施/步骤take steps/take a step 采取措施令 I will take steps if you dont finish your homework.如果你不完成作业，我将采取措施。同步练习题组A基础过关练一、根据所给中文写出英文单词，使句意完整。1. （塑料）bags are bad f

18、br our environment.2. As we all know,（橡胶）can be used in many ways.3. Things in blue rubbish bins can be（回收利用）.4. Its not right to（烧）the rubbish.5. His（孙子）is so lovely that we all like him.二、连词成句。6. munity, policy, the, whole, develop, fbr, a,.7. room, off, the, when, do, turn, the, lights, you, leav

19、e, you, ?9 *8. from, his ideas, mine, different, are*9. important, education, its, to, good, get, a三、10. my, always, a, nice, prepares, breakfast, mum, fbr, me单项选择。11. I usually ride bike to school and Darning often goes to school by bus.A. /; /B. a; /C. /; aD. a; a12. Wild animals are our friends.

20、Ifs not good to kill them clothing.A. inB. withC. aboutD. for13. Dont the waste paper. We can collect and recycle it.A. blow awayB. put awayC. throw awayD. run away14. Smoking is to health.A. harmB. harmfulC. harmlessD. harmonious15. Please check your papers as as you before handing them in.A. caref

21、ul; canB. careful; possibleC. carefully; canD. carefully; possible16. I follow you. Would you please repeat it?A. cantB. mustntC. needn*tD. shouldnt17. The cars give off a lot of waste gas.Yes. People should try to air pollution.A. repeatB. reduceC. reuseD. recycle18. We should take some to protect

22、the world from being polluted.A. worksB. toolsC. stepsD. things19. I don t know when she . When she here, I 11 call you in a minute.A. es; arrivesB. will e; arrivesC. es; will arriveD. will e; will arrive20. 一Look at the snow! Shall we go out to make a snowman?A. Have a nice tip!C. You are right.B.

23、Not at all.D. Nice idea!题组B能力提升练四、阅读理解Some of the greatest problems we face today are the destruction （破坏）of our environment. Brown clouds, polluted water, endangered wild animals. these problems seem so huge.So my family does what we can. We take cloth bags to stores instead of using plastic bags.

24、We walk where we dont have to drive.But does it do any good? When I am the only one in line at the market with cloth bags, am I doing any good? Does my walking to stores make any real difference to the world?I recently learned something about flamingos（火烈鸟）which like to get together in groups of a t

25、housand or more. Every year, when the time es fbr migration（迁徙），a few of them first take off from the lake. But none of the others seem to notice, so the small group returns. However, the next day they try again. This time a few more fly along with them, but most of them still pay no attention, so t

26、hey return again. They try fbr several times. Every time a few more birds join in but, since the thousands of others still take no notice, the great migration plan is once more stopped.Then one day something changes. The same small group of birds once again starts flying and a small number more join

27、 in just as before, then more. Finally, they all take flight and the migration really begins. What a spectacular （壮丽的）sight it must bethousands of flamingos taking off into the sky at once!A few can make a difference. Even if youre the one to take the first step, and continue trying, others will som

28、eday take notice and together we will solve even our greatest problems.21. Where would you most probably read this passage?A. A guidebook.B. A movie poster.C. A personal blog（博客）D. A science magazine.22. Why does the writer use cloth bags in stores?A. Because he wants to do some good to the environm

29、ent.B. Because he thinks plastic bags are more expensive.C. Because there are only cloth bags in stores.D. Because all the people use cloth bags in stores.23. Why does the small group of flamingos return to the lake?A. Because they are very tired.B. Because they cant find food out there.C. Because t

30、here are some dangerous animals.D. Because the others dont fly along with them.24. Which of the following is TRUE according to the passage?A. The writer and his family never walk.B. Flamingos like to get together in groups of a thousand or more.C. Brown clouds and polluted water are the only problem

31、s we face today.D. Flamingos never travel to other places every year.25. What/s the writer/s purpose of writing this article?A. To show that the writer loves to see the migration of flamingos.B. To tell readers to continue trying and it can make a difference.C. To introduce a special kind of flaming

32、o to readers.D. To show that therere many problems in the world.五、首字母填空(2021 天津市单元测试)根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整Its very important that we all recycle. In nature, everything is used again. For example, when an animal dies, it bees a (26) animal9s food. Nothing is w (27), But humans have created t

33、hings like plastic bags which cant be broken down by nature. Our rubbish kills animals and p (28) water and soil. If we c (29) making too much rubbish, the problem will only get w (30), If nature cant reuse the rubbish, we must deal with i (31). We should clean up the rubbish weve made because natur

34、e cant do it.Recycling is a (32) a right thing to do for another reason. The Earth is r (33) in natural materials like water and trees, b (34) these materials are not endless. We use up our natural materials much faster than the Earth is able to reproduce them. For example, each year we cut down more than 6,000 square miles of forests. But it t (35) a new tree about 25 years to grow.Recycling can help us save the Earth, so lets take action right now.