Module12Unit2（知识精讲练习）九年级英语上册讲义（教师版).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.22 .细节理解题。根据第一、二段的内容可知，作者使用布袋是为了保护环境。故选A。23 .细节理解题。根据第四段中的But none of the others seem to notice, so the small group returns”可知，

5、 那一小群火烈鸟又飞回来是因为其他的火烈鸟没有和它们一起飞。24 .细节理解题。根据第四段第一句 I recently learned something about flamingos(火烈鸟)which like to get together in groups of a thousand or more .可知火烈鸟喜欢一千或更多成群聚在一起，所以选项B正 确,故选B。25 .写作意图题。根据文章最后一段可知，作者写这篇文章是想告诉人们要继续努力，保护环境。 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 impor

6、tant 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 things like plastic bags which cant be broken down by nature. Our rubbish kills animals and p (28) water and soil. If we c (29) ma

7、king 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 nature cant do it.Recycling is a (32) a right thing to do fbr another reason. The Earth is r (33) in natural materials like water and

8、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 le

9、ts take action right now.【答案】26 6 another 271 wasted【28】 pollutes【29】 continue 30 worse31 it 32 also 33 rich 34 but 35 takes【解析】26.句意：例如，当一个动物死了，它就变成了另一个动物的食物。another意为另一个。 27.句意：没有东西被浪费。根据上文In nature, everything is used again.(在自然界中，一切都被再 次利用。)可知此处是说“没有东西被浪费，waste作动词，主语Nothing是动作承受者，故用被动 语态，其结构是be

10、done, waste的过去分词是wastedo28 .此处表示垃圾污染水和土壤。pollute污染，动词，主语rubbish为第三人称单数，故谓语动词用 第三人称单数。29 .句意：如果我们继续制造太多的垃圾，问题只会变得更糟。动词continue意为继续，此处是条件状语从句的谓语部分，主句是一般将来时，从句用一般现在时，主语是we,所以谓语动词用原形。30 .根据If we c （4） making too much rubbish可知是说如果我们继续制造太多的垃圾，问题会变得更糟，短语get worse意为变得更糟。31 .根据If nature cant reuse the rubbi

11、sh,（如果大自然不能再利用垃圾，）可知此处是说我们必须处 理垃圾,此处用it指代rubbisho32 .句意：由于另一个原因，回收也是一件正确的事情。根据下文We use up our natural materials much faster than the Earth is able to reproduce them.（我们消耗天然物质的速度比地球再生它们的速度快得 多。）可知此处讲回收的另一个原因，结合首字母可知此处用also表示也。33 .句意：地球上有丰富的天然物质，如水和树木，但这些物质并不是无穷无尽的。根据常识可知地 球上有丰富的天然物质，如水和树木，be rich in富

12、含,固定短语。34 .句意同上。根据句意可知前后句之间表示转折关系，故用连词but。35 .句意：但一棵新树需要25年左右才能生长。固定句型It takes/took sb./sth. some time to do sth.“意 为花费某人/某物一段时间做某事。根据语境可知此处用一般现在时表客观事实。故填takes。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，有时候不拘泥于主语是否一致。令 Good

13、 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. walking【答案】D【解析】when walking是when you are walking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be动词时，则从句中的主语+be动词一起省略。故选D。if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

14、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。令 If possible, please inform me 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 sth 向某人要某物”令 You can ask for 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 Don

15、t 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. And 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

16、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 things 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”,divideinto“把分成”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。

17、令 Please throw it a way.请把它扔掉。6. We all need a healthy environment, but we produce waste every day, and it is harmful 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 foro令 Playing puter games is harmful to your eyes.=Playing puter games does harm to you

18、r 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 words 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”。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

19、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 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 rec

20、ycle 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.as possible “尽可能地”，也可换成asas 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 afte

21、r意为“保管，保养某物”，此短语还可以用于“照顾某人工 令I have to stay at home to look after my grandma.我必须留在家里照顾我奶奶。（2） last 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

22、?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 times.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 fro

23、m 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 five minutes.A. waitB. waitingC. to waiting D. to wait【答案】D【解析】It s better to do sth.意为“做某事更好。11. 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

24、.变成.”。Its 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 change.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“吨巴故tons of后面的名词常是可用“吨”来计重的东西。个China has tons of gold.中国有很多金子。The factory sell

25、s 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。令 You can make a change as long as you work harder.只要你学习更努力，就会做出改变。13. We cannot hope for rapid change, but lefs 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

26、 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。唯同步练习题组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 for 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 tha

27、t we all like him.【答案】1【解析】略二、 连词成句。6. munity, policy, the, whole, develop, for, a,.7. room, off, the, when, do, turn, the, lights, you, leave, you, ?9*8. （2022全国同步练习）from, his ideas, mine, different, are9. （2021 全国单元测试）important, education, its, to, good, get, a10. （2022全国同步练习）my, always, a, nice,

28、prepares, breakfast, mum, for, me【答案】6. Develop a policy for the whole munity.7. Do you turn off the lights when you leave the room?8. His ideas are different from mine.9. Its important to get a good education.10. My mum always prepares a nice breakfast fbr me.【解析】略三、单项选择。11. I usually ridebike to s

29、chool and Darning often goes to school by bus.A. /; /B. a; /C. /; aD. a; a【答案】B【解析】“乘坐交通工具”的动词短语里有冠词，介词短语零冠词。故选B。12. （2021 云南省,模拟题）Wild animals are our friends. Itfs not good to kill them clothing.A. inB. withC. aboutD. for【答案】D【解析】句意：野生动物是我们的朋友。在里；和；关于；为了。为了衣服而杀掉他们是不好的。 根据句意，此处表示目的，故用介词for,故选D。13.

30、（2019湖北省襄阳市月考试卷）Dontthe waste paper. We can collect and recycle it.A. blow away B. put awayC. throw away D. run away【答案】C【解析】句意：不要扔掉废纸。我们可以回收再循环使用。A.吹走；B.收起来；C扔掉；D.逃跑。 根据 We can collect and recycle it.可知是扔掉，故选 Co14. （2018,天津市市辖区,期末考试）Smoking isto health.A. harmB. harmfulC. harmlessD. harmonious【答案】B

31、【解析】harm伤害，名词，动词；harmful有害的，形容词；harmless无害的，形容词；harmonious 和谐的，形容词；do harm to和be harmful to是固定搭配，意为对有害。根据题干可知，此处用 形容词harmful作表语。故选：Bo15. Please check your papers as as you before handing them in.A. careful; canB. careful; possibleC. carefully; canD. carefully; possible【答案】C【解析】句意：交卷之前请你们尽可能仔细地检查。“尽可

32、能.地”，可以是as.as possible,也可换 成asas one can。因为第二空前面有you,所以是asas one can形式，锁定A和C。又因为check your papers是动词短语，所以要用副词修饰，故选C。16. （2018天津市市辖区,期末考试）1 follow you. Would you please repeat it?A. cantB. mustntC. needntD. shouldnt【答案】A【解析】主要考查情态动词，一定注意情态动词的含义和用法，然后根据句意，来推测所需的情态 动词。cant不能；mustnl禁止，不要；neednrt不需耍，不必；s

33、houldnt不应该.根据 Would you please repeat it?请你再重复一遍好吗？推断可知：应该是不能跟上你，故填can1,故选A.17. The cars give off a lot of waste gas.Yes. People should try to air pollution.A. repeatB. reduceC. reuseD. recycle【答案】B【解析】考查动词词义辨析。repeat重复说；reduce减少；reuse重复使用；recycle回收利用。题意：汽车排放许多废气。是的。人们应该努力来大气污染。根据题意可知是减少污染，故选Bo18. W

34、e should take some to protect the world from being polluted.A. worksB. toolsC. stepsD. things【答案】C【解析】考查固定词组take steps采取措施，故选C。19. 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 arrive【答案】B【解析】此题考查宾语从句和状语从句。句意：我不知道她什

35、么时候会来，当她到这儿的时候，我 会在一分钟内给你打 。第一个空考查when引导的宾语从句，在宾语从句中，当主句的谓语动词 是一般现在时，其宾语从句的时态应根据实际情况而定。根据本题语境，是问她何时回来，故用一 般将来时；第二个空考查when引导的时间状语从句，when引导的时间状语从句，从句用一般现在 时，主句用一般将来时。故选B。20. （2019,安徽省单元测试）一Look at the snow! Shall we go out to make a snowman?A. Have a nice tip!B. Not at all.C. You are right.D. Nice ide

36、a!【答案】D【解析】句意：一一看雪！我们出去堆雪人好吗？一一好主意。A.旅途愉快，B.根本不，C你是对 的，D.好主意。根据句意，故选：Do题组B能力提升练四、阅读理解（2019安徽省单元测试）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.

37、We take cloth bags to stores instead of using plastic bags. We walk where we don/t 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 ab

38、out flarningos（火烈鸟）which like to get together in groups of a thousand 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

39、along with them, but most of them still pay no attention, so they 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

40、of birds once again starts flying and a small number more join 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

41、 to take the first step, and continue trying, others will someday 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

42、in stores?A. Because he wants to do some good to the environment.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 ver

43、y tired.B. Because they cant find food out there.C. Because there 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

44、 more.C. Brown clouds and polluted water are the only problems we face today.D. Flamingos never travel to other places every year.25. Whafs the writers 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 flamingo to readers.D. To show that therere many problems in the world.【答案】C、A、D、B、B【解析】【文章大意】本文作者通过介绍火烈鸟迁徙时的一种行为，呼吁人们要一直努力，即使只 是坚持使用布袋，也会对改善环境有很大作用。21.推理判断题。通读文章可知，作者在本文介绍了自己的一些见闻和心得，结合选项可知，文章最 有可能是一篇私人博客。故选C。