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1、Unit 13,Unit 13 Were trying to save the earth!,Section A 1 1a-2d,The earth is polluted.,Lead-in,air pollution,The factories that burn coal pollute the air with a lot of black smoke.,n. 煤炭,Factories put waste into the river.,water pollution,mobile phone pollution,litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废
2、弃物,People should throw away litter in the bin.,n. 垃圾箱,noise pollution,There are more cars on the road.,1a,Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.,noise pollution _ _ _ _,air pollution _ _ _ _,water pollution _ _ _ _,loud music,pl
3、anes,mobile phones,factories,cars,smoking,ships,factories,littering,rubbish,building houses,building houses,1b,Listen and complete the sentences.,really dirty,rubbish,fish,litter,waste,government,close down,clean up,Listen again and check () the sentences you hear.,1. We could go fishing in the rive
4、r. 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.,1c,Role-play the conversation,The river was dirty. Even the bottom of the river was full of rubbish.,But it used to be so clean!,Yes, but people are throwing litter i
5、nto the river.,Everyone in this town should play a part in cleaning it up!,Practice,Make conversations using the pollution in 1a.,The river has always been the nicest river in this town.,Yes, it used to be so clean.,What caused the problem?,But I was there last weekend and the river was really dirty
6、.,Factories are also putting waste into the river.,People are throwing litter into the river.,What should we do?,Yes, everyone in this town should play a part.,We should write to the government and ask them to close down the factories.,What else can we do?,Everyone should help to clean up the river.
7、,1. Were trying to save the earth! 我们正在竭尽全力拯救地球! try 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。,Language points,2. Here are some words related to different kinds of pollution. be related to 与有关 e.g. I am no
8、t related to him in any way. 我和他无任何关系。,3. Everyone in this town should play 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
9、出。,4. Even the bottom of the river was full of rubbish. Yes, but people are throwing 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 u
10、p your litter after a picnic. 野餐后将废弃物收拾好。,2a,Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.,land pollution B. air pollution C. noise pollution D. water pollution,2b,Listen again and complete the sentences.,1. The air is badly polluted because there are _ on t
11、he road these days. 2. Factories that burn coal also _ the air with a lot of black smoke.,more cars,pollute,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.,are throwing away,pu
12、blic places,Listen and answer the questions.,1. Who is the interviewer talking to? 2. What are they talking about? 3. What other problems do they see?,Susan and Jason.,The environmental problems.,Theres too much rubbish and waste in the streets.,Role-play conversations between Jason and Susan.,2c,Th
13、e air has become really polluted around here. Im getting very worried.,Yes, I used to be able to see stars in the sky.,The problem is that,What should we do to save the earth?,Turn off the lights when you leave a room.,关掉,stop riding in cars,stop using paper towels or napkins（餐巾，餐巾纸）,recycle books a
14、nd paper,回收利用,2d,Read 2d and complete the chart.,take the bus, subway or ride a bike instead of driving.,bring a bag to go shopping.,use chopsticks or forks at home.,throw rubbish in the bins.,Role- play the conversation,Jason and Susan, what are your ideas for solving these problems?,Yeah, or ride
15、a bike. There are other advantages (优点) of bike riding. Its good for health and it doesnt cost (花费) anything!,Well, to cut down air pollution, we should take the bus or subway instead of driving.,Great ideas! What about waste pollution?,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.,Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago.,And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.,So together, our ac
