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1、最新资料推荐Unit 8 Were trying to save the earth I. PresentationShow the picture of the earth and tell students the earth is polluted now. For example: (1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into the river.(3) People should throw away litter in t
2、he bin. (4)There are more cars on the road.II. LearningHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.loud music cars rubbish planes littering ships factories smoking building houses mobile phonesnoise pollution air pollution water pollu
3、tion _ _ _ _ _ _ _ _ _Keys: noise pollution loud music planes mobile phones building housesair pollution factories smoking cars building houseswater pollution ships rubbish littering factoriesIII. Listening1. 1b Listen and complete the sentences.What was the problem?The river was _. Even the bottom
4、(底部) of the river was full of _. There were no more _ for fishermen (渔民) to catch.What caused the problem?People are throwing _ into the river. Factories are putting _ into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _
5、the river.Keys: really dirty rubbish fish litter waste governmentclose down clean up2. Listen again and check () the sentences you hear.1) We could go fishing in the river.2) The river was really dirty.3) The river has always been the nicest river in this town.4) We should ask the teachers for help.
6、Keys: 2 3 IV. Practice1. Role-play the conversation in 1c.Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!2. Make con
7、versations using the pollution in 1a.A: The river has always been the nicest river in this town.B: Yes, it used to be so clean.A: But I was there last weekend and the river was really dirty.B: What caused the problem?A: People are throwing litter into the river.B: What should we do?A: Factories are
8、also putting waste into the river.B: Yes, everyone in this town should play a part.A: We should write to the government and ask them to close down the factories.B: What else can we do?A: Everyone should help to clean up the river.V. Language points1. Were trying to save the earth! 我们正在竭尽全力拯救地球! try
9、to do =try ones best to do 努力去做某事。 e.g. Every student should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该努力学习。2. Here are some words related to different kinds of pollution. be related to 与有关 e.g.I am notrelatedtohim in any way. 我和他无任何关系。 3. Everyone in this town should play
10、 a part in cleaning it up! play a part in 在方面起作用 e.g. A good diet plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着非常大的作用。play a part 在中扮演角色 e.g. He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。4. Even the bottom of the river was full of rubbish. Yes, but people are th
11、rowing litter into the river.litter 和 rubbish 都可指“垃圾”，用作不可数名词。rubbish 指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。litter 指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收e.g. Throw the rubbish out. 把垃圾扔出去。 The room is full of rubbish. 房间里堆满了垃圾。 Pick up your litter after a picnic. 野餐后将废弃物收拾好。 VI. Listening1. 2a Listen to the int
12、erview. Circle the kinds of pollution that Jason and Susan talk about.A. land pollution B. air pollutionC. noise pollution D. water pollutionKeys: B A2. 2b Listen again and complete the sentences.1) The air is badly polluted because there are _ on the road these days.2) Factories that burn coal also
13、 _ the air with a lot of black smoke.3) There is also too much rubbish and waste. People _ things every day.4) People are also littering in _ like parks. This is turning beautiful places into ugly (丑陋) ones. Keys: more cars pollute are throwing away public places3. Listen and answer the questions.1)
14、 Who is the interviewer talking to?2) What are they talking?3) What other problems do they see?Keys: Susan and Jason.The environmental problems.Theres too much rubbish and waste in the streets.VII. Practice (2c)Use the information in 2a and 2b to role-play conversations between Jason and Susan.Jason
15、: The air has become really polluted around here. Im getting very worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is that VIII. DiscussionAsk students what we should do to save the earth. Help students answer, turn off thelights when you leave a room; stop riding in
16、cars; stop using paper towels or napkins; recycle books and paper.IX. Reading1. Read 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木头的) chopsticks or plastic forksrubbish2. Role-play the conversation.Interviewer: Jason and Susan, what are your ideas for solvin
17、g these problems?Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.Susan: Yeah, or ride a bike. There are other advantages (优点) of bike riding. Its good for health and it doesnt cost (花费) anything!Interviewer: Great ideas! What about waste pollution?Susan: M
18、mm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.Jason: Me, too. Also, I never take wooden chopsticks or plastic (塑料) forks when I buy takeaway (外卖食品) food. I use the ones at home.Susan: And remember to throw rubbish in the bins and keep public p
19、laces clean and beautiful for everyone.Interviewer: So together, our actions can make a difference and lead to a better future!X. Summary and language points1. This is turning beautiful places into ugly ones. turn into 把变成e.g. The icy rain seemed like to turn into snow. 渐渐地冻雨又变成雪花的模样。 2. Its good fo
20、r health and it doesnt cost anything! cost v. 花费；使付出 指花费金钱，主语通常是物。cost的过去式和过去分词均为cost。 e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？take, spend, pay & costtake，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。1) take多表示花费时间，常用于It takes sb. some time to do
21、 sth.这一句型中，其中it作形式主语。 e.g. It usually takes me 40 minutes to cook the dinner.2) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV e
22、very day.3) pay多表示花费金钱，主语通常是人，常用于sb. pay(s) some money for sth.句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some money. 句型。 e.g. The new dress cost Linda 88 yuan.根据句意用take, spend, pay或cost的适当形式填空。1) That new car _them lots of money.2) Mona _ 50
23、yuan on the books just now.3) It usually _me an hour to do my homework.4) You should _some time practising your pronunciation.5) My brother _6, 000 yuan for the new computer yesterday.Keys cost spent takes spend paid3. So together, our actions can make a difference and lead to a better future! make
24、a difference (to) 表示(对)产生影响或作用 e.g. Do you think his words would make any difference to the final decision? 你认为他的话会对最后的决定产生影响吗？ The new teacher always encourages little Tom. This has made a big difference to him.新来的老师总是鼓励小汤姆，这对他影响很大。XI. Exercises用动词的适当形式填空。1) Were trying _ (save) the earth.2) There
25、used to_ (be) clean and beautiful.3) There are too many _ for _to catch (fish).4) Its bad for environment to use _ (wood) chopsticks.Keys: to save be fish fishermen woodenXII. Think aboutThe earth is badly polluted. Please make a poster and think of what we can do.XIII. Homework1. Copy the new words and remember them. 2. Read the listening materials of 1b, 2a.最新精品资料整理推荐，更新于二二二年四月四日2022年4月4日星期一08:46:37