仁爱版九年级上英语Unit2 Topic2同步练习及答案

仁爱版九年级上册Unit 2 Topic2同步练习有答案一、根据句意及首字母完成单词;1.A she is a child,she knows quite a lot.2.As the sun r in the sky,the temperature climbed.3.The man was put into the prison because what he did broke l .4.Drawing pictures on the wall is a bad b .5.There were so much s on the street after a big sandstorm.二、根据汉语提示完成句子每空不止一词;1.He 提到you in his letter.2.Our government has done something to 防止being polluted.3.He seldom exercises. 结果,he is not in good health.4.It’s difficult for us to learn English well 一开始.5.Your books 占据most space of the desk.三、用所给单词的适当形式填空;1.The fire caused the village cutoff its electricity supply for three days.2.The government is doing something to stop pollute.3.He changein many ways during the past tewenty years.4.We all know the importantof learning English.badly,he lost his house and children.四、单项选择;1.—Will you come on Monday or Tuesday—I’m afraid day is possible.I’ll be busy next week.A.eitherB.neitherC.bothD.every2.We should do to protect the environment,because it’s our duty.A.everything possibleB.possible everythingC.anything possibleD.possible anything3. rich land has changed into desert,leaving only sand.A.A lotB.A great deal ofC.ManyD.A few4.—What did you buy in the shop yesterday— . There isn’t good enough.A.Something;NothingB.Nothing;AnythingC.Nothing;EverythingD.Something;Everything5.The old man lived in the village all his life and never visited else.A.somewhereB.anywhereC.somethingD.somebody6. Trees harms the living conditions of human beings.A.Cut downB.Cutting offC.Cutting downD.To cut off7.—Look,the factory is pouring waste water into the river—That’s terribleWhy not them thatA.keep;doingB.stop;from doingC.to keep;to doD.to stop;to do8.Everyone is here,A.is heB.aren’t theyC.isn’t itD.are they9.All the students are busy doing their homework.No one talking.A.isn’tB.areC.aren’tD.is10.—Who will get the job— of them will do.A.AnybodyB.AnyoneC.Any oneD.Someone11.—How many birds can you see in the tree— .A.NoneB.No one.C.NobodyD.No.12. we were quite tired, we still went on working.A.Because;/B.Because;soC.Although;/D.Although;but13.Everything goes well,A.does itB.doesn’t itC.do theyD.don’t they14.He wants to be a doctor his parents want him to the army.A.while;joinB.when;joinC.while;join inD.when;join in15.We should not let playing computer game too much of our time.A.take offB.take upC.take downD.take away五、情景交际;A.根据对话内容,从方框中选择合适的选项补全对话;Kangkang:Hi,Wang WeiI haven’t seen you for a long time. 1Wang Wei:I have been to my hometown in the countryside.Kangkang:Great. 2Wang Wei:The trip was great,but I didn’t feel very happy.Kangkang: 3Wang Wei:I saw many unpleasant things.Kangkang: 4Wang Wei:Oh,first is the water pollution.I couldn’t find any clean rivers or pools.Kangkang: 5Wang Wei:I can see white pollution everywhere.Kangkang: 6Wang Wei:Yes,The local government has done something to prevent the pollution.Kangkang:So you needn’t be sad any longer.See what we can do for it.B.用不定代词或不定副词填空每词不限次数;A:Look intotheforestThere is1 moving in the trees.B:But we can’t see 2 .A: 3 There must be 4 wrong with your eyes.B: 5 of us has 6 wrong with our eyes.It’s yoursA:I see 7 walking in the forest.B:Somebody I think 8 would like to walk in such a place.A:No,I think 9 except you would like to walk in it.B:Can you go 10 by yourselfA:You bet1. 2. 3. 4. 5. 6. 7. 8. 9.10.六、完形填空;When people talk about air pollution,they usually think of outdoor air pollution.But do you know that air pollution also exists存在in homes,offices,hotels and other building The air in your home can be 2 to 100 times more 1 than the air outdoorsIn fact,some American doctors say that 50% of illnesses have 2 to do with polluted indoor air.Smoking and cooking,heating appliances设备,buildingmaterials,paints,and furniture are the main 3 of indoor air pollution.Air pollution 4 our health in many ways.Young children and the old often suffer more from it.Indoor air pollution can 5 people’s eyes,noses and throats.Air pollution, 6 indoor and outdoor,can also cause lung cancer,heart disease,and even harm the brainIt is said that half a million young kids and women die each year in India 7 indoor air pollution.There are many ways to reduce减少indoor air pollution.For example, 8 the amount smoke and try to 9 your family members and relatives from smoking.Environment-friendly materials pollute 10 and work well.七、阅读理解About Destorying of ForestsIf you travel by air across the center of Africa非洲,South America,you will fly over forests for thousands of kilometers.These forests are the oceans of trees.They are full of thousands of different kinds of plants and animals.However,the world’s forests are getting smaller and smaller all the time.We are cutting down trees because we need wood,and we need more farmland.Some people say that there will not be any forest like these in twenty or thirty years.What will happen if they disappearIf we cut down our forests,a lot of plants and animals will disappear from the world.In a lot of plaves the new farmland will soon look like the old deserts.Crops will not grow there.It will not rain very often,and the weather will get very hot.Perhaps the climate of the world will change.This will be dangerous for everyone in the world.That is why we must take care of our farests.根据短文内容选择最佳答案;1.This text is mainly about .A.the importance of taking care of our plants.B.the tesult of cutting down treesC.the locations of great forestsD.the reasons for forming the deserts2.According to the passage,which of the following is TRUEA.Africa and South America are not the oceans of trees.B.Forests are homes for different kinds of animals.C.Forests are usually several square kilometers large.D.Different plants can’t be found in the same forest.3.The need for more wood and more land results in .A.the change of the world climateB.the disappearance of many plants and animalsC.more deserts and less farmlandD.All of the above.4.Do you think what will happen in twenty or tirty yearsA.We’ll have more and greater forests.B.We’ll have enough land to support our people.C.We’ll will not have forests like those in the centerof Africa.D.We’ll have enough wood to do some cooking.5.In the writer’s opinion,he think .A.it is dangerous for everyone to cut down the forestsB.it is necessary for everyone to protect the forestsC.it is impossible for everyone to take care of our forestsD.it is important for everyone to keep animals参考答案一、1.Although 2.rose w 4.behavior 5.sand二、1.referred to/mentioned 2.prevent/stop/keep;from 3.As a result4.in the beginning5.take up三、1.to cut 2.pollution 3.has changed 4.importance 5.worse四、1.B 2.A 3.B 4.C 5.B 6.C 7.B 8.B 9.D10.D 11.A 12.C 13.B 14.A 15.B五、A.1.C 2.F 3.B 4.D 5.A 6.E6.anything7.somebody8.nobody9.anybody 10.anywhere六、1.D 2.A 3.B 4.B 5.C 6.A 7.D 8.C 9.A 10.B七、1.A 2.B 3.D 4.C 5.B。

Unit 2 Saving the EarthTopic 2 All these problems are very serious.一．重点句型：Section A1. What bad weather! 多么糟糕的天气！What引导的感叹句：a.What+形容词+不可数名词/可数名词复数！（不可数名词如:news; advice; weather）What clean water! 多么清澈的水呀！b.What+ a/an+形容词+可数名词单数！What a busy day! 多么繁忙的一天呀！2. As a result, a lot of rich land has changed into desert. 结果，许多肥沃的土地已经变成了沙漠。

change… into…（把…变成…）= turn… into… 把…..(转)变成…..Please change English into Chinese. 请把英语变成汉语。

3. Trees can stop the wind from blowing the earth away.树可以防风固土。

（1）stop sb./sth. (from) doing sth.= prevent sb./sth. (from) doing sth. --- 阻止…做某事=keep sb./sth. from doing sth.（from不能省略）The heavy rain stops us from going out.=The heavy rain prevents us form going out.=The heavy rain keeps us form going out. 大雨使我们无法外出。

（2）earth 着重指与天空相对的“土地”，还泛指泥土；soil 主要指用于种植庄家的“土壤”；ground 主要指大地表面；land 着重指与河、湖、海洋相对应的陆地。

Unit2 Topic2 All these problems are very serious.Section B【学习目标】By the end of the lesson, students should be able to:Words and phrases: none, rubbish, wild, nobody, worst, situation, punish, perhaps, everybody, user, spit, untidy, rude, behavior, nowhere, something useful/ important, none of us, here and there, in public, care for/ look after /take care of, worst of allSentences: But the government is doing something useful to protect the environment.None of us likes pollution.Don’t spit anywhere in public.Everyone should care for wild animals and plant more trees.We should do everything we can to protect the environment.Grammar: Indefinite pronoun and adverb.2. Difficult points：能熟练地表达责备和抱怨的情绪，并提出保护环境的建议。

能在不同语境中，正确使用不定代词和不定副词。

【预习导学】必备单词、短语和句子1.________________ n.使用者；用户2.________________ pron.没有一个；毫无3.________________ 在各处；到处4.________________ v.吐，唾5.________________ adj.野的，野生的6.________________ adj.不整洁的,凌乱的7.________________ adj.无理的，粗鲁的8.________________ n.行为，举止9.________________ n.状况;形势;局面10.________________ v.处罚,惩罚11.________________ adv.可能,大概12.________________ pron.人人,每个人13._________________ 的重要性14.___________________ 据说15.something useful/important_________________16._________________中一个也没17.here and there = everywhere________________18._________________ 在公共场合19._________________ 关心、关注20.As a result, a lot of rich land has changed into desert.______________________________________________21.None of us likes pollution.______________________________________________22.We should do everything we can to protect the environment.______________________________________________【探究提升】1. It says that China become the world’s largest producer and user of coal. producer 生产者user 使用者2. As a result, air pollution has become a serious problem.as a result 结果是as a result of ... 由于...3. But the government is doing something useful to protect the environment. do something useful to do sth = take measures to do sth. 采取措施做某事something useful adj修饰不定代词时，放在后面，作后置定语。

九年级上册复习Unit 2 topic2Section A一、根据中文写出英文： 1.沿着街道走____________________2.砍到〔树〕____________________3.结果____________________4.变成__________________________5.阻止某人做某事____________________6.尽某人最大努力________________7.在将来____________________8.过着幸福/安静的生活____________ 9.灭绝____________________二、五分钟测试：1._______Liang Li is very busy, she always helps others.A.ButB.AndC.AlthoughD.Because2.The policemen tried to prevent traffic accidents _____ happening.A. fromB. inC. toD. with3.I think we should plant more trees, not ____ trees.A.put upB.look upC.cut downD.slow down5.尽管人们在这块地种了很多树，但还是有很多沙子。

___________ people have planted many trees in the land, there’s still lots of ________.Section B一、根据中文写出英文： 1. 一些有用的东西_________________________________________________________________________________________________________________________________________________________________________________二、五分钟测试：1.—Would you like to have _____?—No, thank you. I’ve had enough.A.anything moreB.something moreC.more anythingD.more something2.This washing machine is very difficult to use. _____ can learn to use it in a very short time.3.—Hi, Bob! I can’t find my story book. Hav e you seen it?—Sorry, I haven’t. Why not ask Jim? Perhaps he’s seen it _____.4.The cleaners must keep the street _____.A.from getting dirtyB.to dirtyC.to get dirtyD.getting dirty5.每个人都要关爱野生动物。

仁爱英语同步练习册（九年级上下册）参考答案Unit 1 The Changing WorldTopic 1 Our country has developed rapidly.随堂巩固Section A一、1. bell 2. hometown 3. Africa 4. changes 5. gone二、1. B 2.B 3.C 4.C 5.C三、1.Where have you been?2. When did you go there?3. How often do you go there?4. What do you think of it?/How do you like it?5.No,never./No,I haven‘t .四、1. Has ; gone2.Where has ; gone3. too, to4. There goes5. have beenSection B1.ever2.rope3. disabled4.volunteer5. shut二、1.C 2.B 3.C 4.B 5.B三、1. C 2. D 3. C 4. A 5. F四、1. learnt/learned; from2. haven‘t seen3. to have breakfast4. Have ;ever helped ;I have5. Though; stillSection C一、1. since 2. progress 3. satisfy 4. already 5. report二、1. have lived ; for2. keep in touch with3. made rapid progress4. succeeded in getting5. satisfy everone‘s needs三、1.A 2. C 3. D 4. D 5. B 6. D 7 . A 8. C 9. B 10. C四、1. taken 2. poor 3. or 4. lived 5. machines 6. since 7. moved 8. watch 9. receive 10. lifeSection D一、1. hides 2. chess 3. spare 4. radio 5. abroad二、1.changes 2. jouned 3. give 4. plant 5. already 6. dark 7. enough 8. children 9.rapidly 10. improved三、1D 2. D 3. D 4. C 5. B四、1.We have built a new highway. 2. Some people have bought cars. 3. Students havethe chance to receive a good edcation . 4. People keep in touch with their friends by computer. 5 . Our living conditions are comfortable.综合提升一、1. B 2. C 3.C 4.B 5. A 6. D 7. B 8. C 9. B 10. B二、1. have ever been 2. take place 3. make progress 4. makes ; feel happy 5. succeed indoing三、1C 2. B 3. A 4. C 5. C 6. B 7.A 8. C 9 .C 10 A四、1 A 2. B 3. D 4.C 5.A五、1.Chinese family life 2. couldn‘t eat 3. meat 4. dark and low 5. computers and cars六、范文Great Changes in My HometownIn the past ten years, great changes have taken place in my hometown. People in my hometown are living a happy life with the development of our country .Now many。

九年级英语上册Unit 2 Topic 2同步测试(满分100分，时间90分钟) 题号第一部分 第二部分 第三部分 总分 ⅠⅡ Ⅲ Ⅳ Ⅰ Ⅱ Ⅲ Ⅳ Ⅰ Ⅱ Ⅲ 得分第一部分 听力（20分）Ⅰ.听句子，选择正确图片。

每个句子读一遍。

（5分）1._____2._____3._____4._____5._____Ⅱ.听对话，选择正确答案。

每段对话读两遍。

（5分）( )6.What did Lily go to the factory for?A.She wanted to find a job there.B.She went there to visit her friends.C.She went to see if the factory was pouring waste water.( )7.What has Kate done in the past five years?A.She’s read many reports.B.She’s written many reports.C.S he’s written a few books.( )8.Who is in the classroom?A.No one.B.A teacher.C.Somebody.( )9.What has the government done?A.It has polluted the river.B.It has opened a chemical factory.C.It has cut off water supply.( )10.What are they talking about?A.They are talking about protecting the pictures on public walls.B.They are talking about keeping the public walls clean.C.They are talking about drawing pictures on the wall.Ⅲ.听对话及问题，选择正确答案。

仁爱版英语九年级上册Unit 2 Topic 2《All these problems are very serious》SectionC 教学设计一. 教材分析本课选自仁爱版英语九年级上册Unit 2 Topic 2《All these problems are very serious》Section C。

本节课主要讨论环境问题以及我们应该如何保护环境。

本节课的内容与学生的生活息息相关，能够引起学生的兴趣和共鸣。

教材通过对话和阅读材料的形式，让学生了解环境问题的严重性，并学会提出解决方案。

本节课的语言目标主要是掌握情态动词“must”的用法，以及如何表达意见和建议。

二. 学情分析九年级的学生已经具备了一定的英语基础，能够听懂并参与讨论日常生活中的话题。

然而，对于一些环境问题的专业术语，他们可能还不够熟悉。

因此，在教学过程中，教师需要帮助学生建立起已知信息和环境问题之间的联系，并通过任务型教学法，让学生在实践中运用所学知识。

三. 教学目标1.语言目标：–能够听懂、会说、会读、会写情态动词“must”的肯定句、否定句和疑问句。

–能够用“must”表达自己的意见和建议。

2.知识目标：–了解环境问题的严重性，学会提出解决方案。

3.情感目标：–培养学生关爱环境，保护地球的意识。

四. 教学重难点•情态动词“must”的用法。

•如何表达意见和建议。

•环境问题的专业术语。

•如何运用“must”进行建议和劝告。

五. 教学方法1.任务型教学法：通过设定不同的任务，让学生在实践中运用所学知识。

2.情境教学法：通过创设情境，让学生在真实的语境中学习英语。

3.合作学习：通过小组讨论和分享，培养学生团队合作的能力。

六. 教学准备1.教师准备：–备课教案。

–相关环境问题的图片和视频。

–录音机和磁带。

2.学生准备：–预习相关单词和短语。

–准备好讨论环境问题的意见和建议。

七. 教学过程1.导入（5分钟）教师通过展示一些环境问题的图片和视频，引导学生关注环境问题，并激发学生的学习兴趣。

仁爱英语同步练习册（九年级上下册）参考答案Unit 1 The Changing WorldTopic 1 Our country has developed rapidly.随堂巩固Section A一、1. bell 2. hometown 3. Africa 4. changes 5. gone二、1. B 2.B 3.C 4.C 5.C三、1.Where have you been?2. When did you go there?3. How often do you go there?4. What do you think of it?/How do you like it?5.No,never./No,I haven’t .四、1. Has ; gone2.Where has ; gone3. too, to4. There goes5. have beenSection B1.ever2.rope3. disabled4.volunteer5. shut二、1.C 2.B 3.C 4.B 5.B三、1. C 2. D 3. C 4. A 5. F四、1. learnt/learned; from2. haven’t seen3. to have breakfast4. Have ;ever helped ;I have5. Though; stillSection C一、1. since 2. progress 3. satisfy 4. already 5. report二、1. have lived ; for2. keep in touch with3. made rapid progress4. succeeded in getting5. satisfy everone’s needs三、1.A 2. C 3. D 4. D 5. B 6. D 7 . A 8. C 9. B 10. C四、1. taken 2. poor 3. or 4. lived 5. machines 6. since 7. moved 8. watch 9. receive 10. lifeSection D一、1. hides 2. chess 3. spare 4. radio 5. abroad二、1.changes 2. jouned 3. give 4. plant 5. already 6. dark 7. enough 8. children 9.rapidly 10. improved三、1D 2. D 3. D 4. C 5. B四、1.We have built a new highway. 2. Some people have bought cars. 3. Students havethe chance to receive a good edcation . 4. People keep in touch with their friends by computer. 5 . Our living conditions are comfortable.综合提升一、1. B 2. C 3.C 4.B 5. A 6. D 7. B 8. C 9. B 10. B二、1. have ever been 2. take place 3. make progress 4. makes ; feel happy 5. succeed indoing三、1C 2. B 3. A 4. C 5. C 6. B 7.A 8. C 9 .C 10 A四、1 A 2. B 3. D 4.C 5.A五、1.Chinese family life 2. couldn’t eat 3. meat 4. dark and low 5. computers and cars六、范文Great Changes in My HometownIn the past ten years, great changes have taken place in my hometown. People in my hometown are living a happy life with the development of our country .Now manybeautiful and tall buildings can be seen everywhere . Roads are getting wider and wider . People’ living conditions are getting better and better. What’s more, many modern schools have built and children have got a good education. I feel very excited about the changes in my hometown and I think it is important to remember the past and dream about the future.Topic 2 The population in developing countries is growing faster .随堂巩固Section A一、1. Probably 2. cinema 3. ever 4. already 5. yet二、1.D 2. B 3. C 4. B 5.A三、1. ever 2. never 3.never 4.yet 5. already四、1. never 2. hasn’t changed yet 3. Have ; ever ; never 4. so lovely that 5. so do ISection B一、1. C 2. B 3. D 4. A 5. E二、1. B 2.A 3. C 4. B 5. D三、1. B 2. D 3. C 4.E 5 A四、1.has a population of 2. developing ; with 3. What’s the population 4. because of 5.the largest populationSection C一、1. social 2. natural 3. government 4. worse 5. offers二、1.has taken measures 2. Thanks to 3. works well in 4. is known as 5. Two thirds三、1. news 2. report 3. reached 4. increasing 5. biggest 6. large 7. room 8. taking 9. carried10. one四、1. population 2. trouble 3. control 4. policy 5. children 6. women 7. over 8. age 9. government 10. followingSection D一、1. local 2. capital 3. market 4. excellent 5. huge二、1. A 2. B 3. D 4. C 5. B 6. A 7 .D 8. C 9. A 10. D三、1.250 2. over 500 million 3. At the beginning of the 20th century 4. passed six billion 5. 8 billion四、略综合提升一、1. work well in 2. is surrounded by 3. Thanks to 4. so far 5. meet with二、1C 2. A 3. D 4. B 5 .D 6. C 7. D 8. B 9. C 10.D三、1.B 2. C 3. A 4. C 5. A 6. B 7.D 8.D 9. B 10 C四、1. D 2. C 3. ATopic 3 The world has changed for the better .随堂巩固Section A一、1. artist 2. chemistry 3. industry 4. visitors 5. blocks二、1.B 2.C 3. C 4. D 5.B三、1. since this term 2. as a matter of fact 3. come for a visit 4. see ; yourself 5. if you like四、1.E 2. D 3. B 4. A 5. GSection B一、1manage 2. engineer 3. club 4.secretary 5. program二、1. C 2. C 3. B 4. B 5 .C三、1. Once ;in need 2. feel good about ourselves 3. live a happy life 4. so that 5.provied ; for四、1. have kept ; for 2. has ;been in 3. Has ; been on 4. has been on 5. How long hasSection C一、1. basic 2. steal 3. humans 4. support 5. period二、1. on purpose 2. Whatever 3. according to 4. a period of time 5. value ; home三、1.B 2. C 3. D 4. C 5. A 6. D 7. C 8. A 9. B 10 . A四、1. Love 2. stay/be at school 3. living /to live with their patents 4. latest 5. themselvesSection D一、1.primary 2. project 3. college 4. encourages 5. development二、1.continue his studies 2. As a result 3. make a contribution to 4. provides; with 5.have had ;since三、1. collecting 2.gone 3. engineer 4. lost 5. moved 6. As 7. social 8. trouble 9. earns 10.encourages四、略综合提升一、1D 2.B 3. A 4. C 5. C 6. B 7.D 8. C 9. C 10. D二、1.C 2. D 3. E 4. A 5. B三、1.B 2. A 3. D 4. B 5. C 6. C 7. A 8.B 9. A 10. A四、1D 2. B 3. C 4.C 5. A五、1. homework 2.encouraged 3. share 4. reported 5. support 6. kind 7. similar 8. celebrate 9. different 10. raising六、范文Children are the flowers of our country. Every child has the right to go to school . But in some poor areas, many children can not go to school because they can not afford it or there are no schools at all ,Now a lot of people collect money for those children through a project. We call it “Project Hope”. The society has paid much attention to it . It has helped a lot of children already . I think it is good for the future of our country .单元闯关一、A 1. development 2. radio 3. training 4. spare 5. woundB 1. so far 2. Thanks to 3. made ; progress 4. to go abroad 5. on purpose二、1. D 2. A 3. C 4. A 5. A 6. B 7. D 8. B 9. B 10. B三、1. E 2. B 3. A 4. F 5. D四、1. C 2. B 3. C 4. A 5. C 6. A 7. C 8. C 9. A 10 .C五、1. A 2. C 3. D 4. C 5. DB. 1`. B 2. C 3. A 4. A 5. DC. 1. C 2. A 3. D 4. B 5. DD. 1. E 2. B 3. C 4. A 5.D六、 1.hasn’t; yet 2. has been 3. What is 4. So does 5. How long has ;kept七、范文December 13 ,2014Dear schoolmate,While we are sitting in our bright classroom, remember there are lots of children in thepoor and disaster areas needing our help badly . Winter vacation is coning . L let’s do something to help them .As students, we can give away our pocket money , school things ,some of our clothes and toys . We can also donate some books to them in order to open up their eyes to the outside world . We may raise money for charity by collecting used bottled , plastics , waste paper and so on , or by doing part-time jobs, such as ,handing out advertisement, selling newspaper and so on . Making pen pals with problems in their study .The more we devote/do , the better the world would be !Student’s UnionUnit 2 Saving the EarthTopic 1 Pollution has caused too many problems.随堂巩固Section A一、1. several 2. waste 3. mess 4. pollute 5. shame二、1. A 2. D 3. B 4. B 5. B三、1.C 2. E 3. A 4. B 5.D四、1. saw ;dancing 2. pour ; into 3. cutting sown 4. What a shame 5. have goneSection B一、1. awful 2. bear 3. pain 4. produce 5. harmful二、1. A 2. B 3. B 4. D 5. D三、1. be harmful to 2. can’t bear 3. What’s worse 4. care for 5. been dead四、1. A 2. D 3. E 4. F 5. BSection C一、1. sentence 2. deaf 3. print 4. Recently 5. meaning二、1.C 2. G 3. D 4. A 5. E三、1.C 2. C 3. B 4. A 5. D 6. A 7. B 8. C 9. D 10. B四、1.D 2. A 3.D 4. B 5. ASection D一、1. coal 2. create 3. blood 4. planets 5. harm二、1. D 2. A 3. C 4. C 5. C三、1. breathe 2. if 3. pour 4. reason 5. plant 6. lost 7. conditions 8. spend 9. healthy 10.measures四、1. Remember to turn the tap off when you leave .2.Collect and reuse waste water .3.Don’t use too much water to wash something .综合提升一、1. does great harm to 2. How long 3. What’s the meaning 4. no better than 5. What a mess二、1.C 2. C 3. B 4.B 5.B 6.D 7. B 8. C 9. A 10.B三、1. D 2. C 3.A 4. C 5. D 6. B 7. A 8. D 9. D 10. B四、1—5 TFTFT五、1. 医生发现这人睡眠有困难。