Unit2Topic1SectionDPPT课件

1、It _ (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 perfe

2、ct 强调现在强调现在They are caused by pollution.第1页/共20页There are many kinds of pollution around us, air pollutionlight pollutionlitterwater pollutionsoil pollutionnoise pollution第2页/共20页Read through Sections A-C and fill in the blanks with the correct words.GrammarI _ (go) there two years ago.There _ (be)

3、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 Perfect第3页/共20页Oh, what a _!There are several chemical factories _ waste water into the stream.Whats _, the factory makes too much

4、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第4页/共20页( ) 1. What is the passage mainly about? A. Air pollutio

5、n. 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 fol

6、lowing tasks and check.ADC第5页/共20页PollutionCauseEffectair 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 _gas oilcoalso

7、rebreathinglitterchemicalsdirtyunhealthywork in a noisydeafhigh bloodstrongillnesseseyes第6页/共20页1. 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

8、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 第7页/共20页 There are many _ of pollution around us. There are many _ of pollution around us. They are _ for our health in many ways.They are _ for our h

9、ealth in many ways. Air pollution causes _ eyes and _ Air pollution causes _ eyes and _ problems. _ makes our environment dirty. Soil problems. _ makes our environment dirty. Soil pollution _ the soil and _ unhealthy food. pollution _ the soil and _ unhealthy food. Noise pollution makes people _ and

10、 causes high Noise pollution makes people _ and causes high blood pressure. Light pollution is bad for _ and blood pressure. Light pollution is bad for _ and causes some kinds of _.causes some kinds of _. With less pollution, our planet will become _ With less pollution, our planet will become _ and

11、 our health will be better. Lets be greener people.and our health will be better. Lets be greener people. kinds/sortsbadsorebreathingLitter destroyscauses deafeyes illnessesgreener 第8页/共20页Language points1. Burning gas, oil, coal creates air pollution.燃烧燃烧气体、石油和煤都会造成空气污染。气体、石油和煤都会造成空气污染。 create v. 造

12、成，创造造成，创造 creative adj. 创造性的创造性的 creation n. 创造；创造物创造；创造物 2. In the fields, farmers use too many chemicals which destroy the soil. 在地里，农民使用了太多对土壤起破坏作用的化肥和农药。定语从句定语从句第9页/共20页3. 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 as well 也, 还e.g.

13、Were going to the party tonight. Why dont you come along as well?Language points第10页/共20页4. With the increase in population and the development of industry, litter is everywhere. 随着随着人口的增加和工业的发展，垃圾到处都是。人口的增加和工业的发展，垃圾到处都是。 5. With less pollution, our planet will become greener and our health will be

14、better. 随着污染的减少，我们的地球将变得更加环 保，我们也会更健康。Language points第11页/共20页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 one

15、s earingno better than打扰别人打扰别人all sorts/kinds ofin many ways第12页/共20页Mary: Excuse me. _ I havent seen him for weeks.Mary: Excuse me. _ I havent seen him for weeks.Bill: Jims gone to England.Bill: Jims gone to England.Mary: Really?_Mary: Really?_Bill: He went there last week.Bill: He went there last

16、week.Mary: _Mary: _Bill: For three times.Bill: For three times.Mary: _Mary: _Bill: He traveled with his friends.Bill: He traveled with his friends.Mary: _Mary: _Bill: He will be away for about two weeks.Bill: He will be away for about two weeks.Mary: Oh, thank you. Ill phone him this evening.Mary: O

17、h, 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.第13页/共20页Making a Wall Newspaper About PollutionMaking a Wall Newspaper About Pollution1. Collect some pictures about p

18、ollution.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.第14页/共20页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

19、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第15页/共20页单项选择单项选择(

20、 ) 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 _ pollu

21、tion 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 hu