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Unit 2 Saving the EarthTopic 1 Pollution has caused too many problemsSection DIt _ (be) beautiful in the past. Kangkang _ (go) there two years ago.The flowers and grass _ (go).Everything _ (change).Mrs. Zhou _ (be) like this since last week. She _ (not see) a doctor yet.waswenthave gonehas changedhas beenhasnt seenSimple past Simple past 强调过去强调过去 Present perfect Present perfect 强调现在强调现在They are caused by pollution.There are many kinds of pollution around us, air pollutionlight pollutionlitterwater pollutionsoil pollutionnoise pollution 预习导纲预习导纲一一.读读1a 短文,在短文中划出下列短语。短文,在短文中划出下列短语。1.许多种污染许多种污染_ 2.在我们周围在我们周围_3.对我们的健康有害对我们的健康有害_ 4.在许多方面在许多方面_5.造成空气污染造成空气污染_6.随着人口的增长随着人口的增长_7.工业的发展工业的发展_8.用太多的化学药品用太多的化学药品_9.破坏土壤破坏土壤_10.导致高血压导致高血压 _11.长时间在喧闹的地方工作长时间在喧闹的地方工作 _12.做绿色环保人士做绿色环保人士_13.呼吸问题呼吸问题_ 14.长时间在强光下工作长时间在强光下工作_二二.读下列句子,翻译并探究。读下列句子,翻译并探究。 Burning gas, oil, coal creates air pollution. 译:译:_ Working in strong light for a long time may cause some kinds of illness.译译:_ 探究:两句的划线部分均为探究:两句的划线部分均为_短语。当其在句中短语。当其在句中作作_语时,应看作语时,应看作_数。数。 create v. _,_ ;creative adj. 创造性的创造性的 creation n. 创造;创造物创造;创造物 生物生物练一练:练一练:As we know,_(get up) early _ (be) good for our health.Health and wealth _ beauty.健康和财富能创造美丽健康和财富能创造美丽. A.disturb B.create C.bear D.destroy 2.With the increase in population and the development of industry, litter is everywhere. 译:译:_With less pollution, our planet will become greener and our health will be better. 译:译:_ 探究:两句划线部分探究:两句划线部分 均为均为with 加加_短语构成介词短短语构成介词短语在句中作语在句中作_ 状语。状语。练一练:练一练:_the development of industry, China is becoming stronger and stronger. A . With B. Without C. In D. During 1.The farmers use chemicals too much in their fields, so _ is difficult to stop. A. air pollution B. soil pollution C. water pollution D. noise pollution 2.The boss made the child laborers _ for 12 hours every day. A. work B. workimg C. to work D. worked3.If we work in a _place for a long time, well feel uncomfortable and unpleasant. A. loud B .noisy C. noisily D. sound 4.There are _kinds of pollution on the earth. A. quite a little B. much C. quite a few D. a lot 5.How long have you known him? Ive known him _. A. two years ago B. since last year C. two years D. in two years当堂训练当堂训练BABCBRead through Sections A-C and fill in the blanks with the correct words.GrammarI _ (go) there two years ago.There _ (be) lots of flowers and grass.What _ (happen) here?I have _ (be) like this since last week.The flowers and grass _ (go)!beenwerehas happenedhave gonewentSimple Past Present PerfectOh, what a _!There are several chemical factories _ waste water into the stream.Whats _, the factory makes too much noiseNoise is _ to humans health.People who work and live in noisy conditions often _ deaf.many teenagers in America can hear no _ than 65-year-old people do, does great _ to peoples hearing.Functionsshamepouringworsegoharmfulbetterharm( ) 1. What is the passage mainly about? A. Air pollution. B. Light pollution. C. Litter. D. All sorts of pollution.( ) 2. _ destroy(s) the soil. A. Chemicals B. Weather C. Noise D. Industry( ) 3. How do people feel after they work in strong light for a long time? A. Excited. B. Happy. C. Terrible. D. Sad.How well do you know Sections A-C? Now do the following tasks and check.ADCPollutionCauseEffectair pollutionburning_, _ and _ eyes and _ problemssoil pollution_ is everywhere, use too many _ environment and _ foodnoise pollution_ place for a long timemake people _ and cause _ pressurelight pollution_ lightkinds of _, bad for _gasoilcoalsorebreathinglitterchemicalsdirtyunhealthywork in a noisydeafhigh bloodstrongillnesseseyes1. They are bad for our health in many ways. They _to our health in different ways.2. People may lose their hearing if they work in a noisy place for a long time. If people work in noisy conditions for a long time they may have _.3. Noise pollution can make people deaf. People may _ deaf _ noise pollution.hearing loss do harm gobecause of/ are harmful There are many _ of pollution around us. They are _ for our health in many ways. Air pollution causes _ eyes and _ problems. _ makes our environment dirty. Soil pollution _ the soil and _ unhealthy food. Noise pollution makes people _ and causes high blood pressure. Light pollution is bad for _ and causes some kinds of _. With less pollution, our planet will become _ and our health will be better. Lets be greener people. kinds/sortsbadsorebreathingLitter destroyscauses deafeyes illnessesgreener Language points1. In the fields, farmers use too many chemicals which destroy the soil. 在地里,农民使用了太多在地里,农民使用了太多对土壤起破坏作用的对土壤起破坏作用的化化肥和农药。肥和农药。定语从句定语从句2.Too much noise can cause high blood pressure as well.噪声太大也可能导致高血压。噪声太大也可能导致高血压。 high blood pressure 高血压高血压 请回忆请回忆too many和和 too much的用法的用法More tasks.把把倒入倒入 _have got a pain in _throw around _对对有害有害 _not all people _go deaf _丧失听力丧失听力 _和和(几乎)一样坏(几乎)一样坏 _disturb others _各种各样样的各种各样样的 _在很多方面在很多方面 _pour into疼疼乱扔乱扔be harmful to = do harm to不是所有人不是所有人变聋变聋= have hearing losslose ones hearingno better than打扰别人打扰别人all sorts/kinds ofin many waysMary: Excuse me. _ I havent seen him for weeks.Bill: Jims gone to England.Mary: Really?_Bill: He went there last week.Mary: _Bill: For three times.Mary: _Bill: He traveled with his friends.Mary: _Bill: He will be away for about two weeks.Mary: Oh, thank you. Ill phone him this evening.e. Wheres Jim? a. When did he go there?b. How many times has he been there?d. Who did he travel with?c. How long will he be away?More tasks.Making a Wall Newspaper About PollutionMaking a Wall Newspaper About Pollution1. Collect some pictures about pollution.2. What kind of pollution does each picture show? Work in groups and discuss its bad effects.3. Make a wall newspaper about different kinds of pollution and the harm caused by them.根据汉语意思完成句子。根据汉语意思完成句子。1. 如今,很多人患有高血压。如今,很多人患有高血压。 Nowadays, many people have _ _ _.2. 动物可以在很多方面帮助人们。动物可以在很多方面帮助人们。 Animals can help people _ _ _.3. 迈克会打篮球,他跑步也很快。迈克会打篮球,他跑步也很快。 Mike can play basketball. He runs fast _ _.4. 随着工业的发展,污染越来越严重。随着工业的发展,污染越来越严重。 _ _ _ _ industry, pollution has become _ _ _ serious.high blood pressurein many waysas wellWith the development ofmore and more单项选择单项选择( ) 1. Linda has many hobbies, _ listening to music, ( ) 1. Linda has many hobbies, _ listening to music, collecting coins, going cycling and so on.collecting coins, going cycling and so on. A. for example A. for example B. including B. including C. about C. about D. and D. and( ) 2. There is _ pollution in the world. We must stop it.( ) 2. There is _ pollution in the world. We must stop it. A. much too A. much too B. too much B. too much C. many C. many D. too many D. too many( ) 3. _ the increase in population, food has become a ( ) 3. _ the increase in population, food has become a serious problem. serious problem. A. And A. And B. By B. By C. To C. To D. With D. With( )4._ the environment is important for human beings.( )4._ the environment is important for human beings. A. Take care of A. Take care of B. Took care of B. Took care of C. Taking care of C. Taking care of D. Take the care of D. Take the care ofBDCB1. Make a wall newspaper in English.2. Tell the differences between Simple Past and Present perfect. I went there two years ago. I have been like this since last week.1. Some words: coal, create, blood, planet2. Some phrases: in many ways, high blood pressure, as well3. Some sentences: With the increase in population and the development of industry, litter is everywhere.Homework1. Read 1a.2. Make a wall newspaper about pollution.3. Finish Section D in your workbook.4. Preview Section A in Topic 2.
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