1、Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems . Section D,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.,was,went,have gone,h
2、as changed,has been,hasnt seen,Simple past 强调过去,Present perfect 强调现在,They are caused by pollution.,There are many kinds of pollution around us,air pollution,light pollution,litter,water pollution,soil pollution,noise pollution,including,Read through Sections A-C and fill in the blanks with the corre
3、ct words.,Grammar,been,were,has happened,have gone,went,Simple Past Present Perfect,Functions,shame,pouring,worse,go,harmful,better,harm,( ) 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.
4、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.,A,D,C,Read 1a and choose the best answer.,1a Read the passage and complete the t
5、able on Page 34.,gas,oil,coal,sore,breathing,litter,chemicals,dirty,unhealthy,work in a noisy,deaf,high blood,strong,illnesses,eyes,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 p
6、eople work in noisy conditions for a long time they may have _. 3. Noise pollution can make people deaf. People may _ deaf _ noise pollution.,1b Read and understand the first sentence. Then complete the second one.,hearing loss,do harm,go,because of,/ are harmful,There are many _ of pollution around
7、 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 po
8、llution, our planet will become _ and our health will be better. Lets be greener people.,Complete the passage according to 1a.,kinds/sorts,bad,sore,breathing,Litter,destroys,causes,deaf,eyes,illnesses,greener,Language points,1. Burning gas, oil, coal creates air pollution.燃烧气体、石油和煤都会造成空气污染。 create v
9、. 造成，创造 creative adj. 创造性的 creation n. 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,3. Too much noise can cause high blood pressure as well.噪声太大也可能导致高血压。 high blood pressure 高血压,as well 也, 还 e.g. Were going to the party tonight. Why
10、dont you come along as well?,Language points,4. With the increase in population and the development of industry, litter is everywhere. 随着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 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,More tasks
11、.,Phrase collection,把倒入 _ have got a pain in _ throw around _ 对有害 _ not all people _ go deaf _ 丧失听力 _ 和（几乎）一样坏 _ disturb others _ 各种各样样的 _ 在很多方面 _,pour into,疼,乱扔,be harmful to,= do harm to,不是所有人,变聋,= have hearing loss,lose ones hearing,no better than,打扰别人,all sorts/kinds of,in many ways,Mary: Excuse
12、 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?,
13、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?,e,More tasks.,Conversation,a,b,d,c,Project,Making a Wall Newspaper About Pollution,1. Collect some pictures about pollution. 2. What kind of pollution does each picture show? Work in
14、 groups and discuss its bad effects. 3. Make a wall newspaper about different kinds of pollution and the harm caused by them.,Exercises,根据汉语意思完成句子。 1. 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。 Animals can help people _ _ _. 3. 迈克会打篮球，他跑步也很快。 Mike can play basketball. He runs f
15、ast _ _. 4. 随着工业的发展，污染越来越严重。 _ _ _ _ industry, pollution has become _ _ _ serious.,high blood pressure,in many ways,as well,With the development of,more and more,Exercises,单项选择 ( ) 1. Linda has many hobbies, _ listening to music, collecting coins, going cycling and so on. A. for example B. including
16、 C. about D. and ( ) 2. There is _ pollution in the world. We must stop it. A. much too B. too much C. many D. too many ( ) 3. _ the increase in population, food has become a serious problem. A. And B. By C. To D. With ( )4._ the environment is important for human beings. A. Take care of B. Took car
17、e of C. Taking care of D. Take the care of,B,D,C,B,summary,We learn:,1. 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.,We can:,1. Some words: coal, create, blood, planet 2. Some phr
18、ases: in many ways, high blood pressure, as well 3. Some sentences: With the increase in population and the development of industry, litter is everywhere.,Homework 1. Read 1a. 2. Make a wall newspaper about pollution. 3. Finish Section D in your workbook. 4. Preview Section A in Topic 2.,Thank you.,
