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1、Unit 13 Were trying to save the earth. Section A 1a1c,You drink a can of cola. What do you do?,I throw away cans.,I recycle cans.,You throw away the cans. Thats bad for the Earth.,You recycle the cans.Thats good for the Earth.,There are a lot of old newspapers at your home. What do you do?,I throw t
2、he old newspapers away.,I recycle the old newspapers.,You throw old newspapers away. You waste paper. Thats bad for the Earth.,You recycle old newspapers. You save paper. Thats good for the Earth.,You go shopping. What do you do?,I use a lot of new plastic bags.,I use my own bag.,You use a lot of ne
3、w plastic bags. Thats bad for the earth.,You use your own bag. Thats good for the Earth.,When you write on a piece of paper, what do you do?,I write on one side only.,I write on both sides.,You use paper on one side only. Thats bad for the Earth.,You use paper on both sides. Thats good for the Earth
4、.,How do you feel?,We want to enjoy the good environment.,Please discuss in your groups these problems: 1.What are the problems? 2. Where are they ？ 3. What or who is causing these problems?,The earth is polluted.,air pollution,The factories that burn coal pollute the air with a lot of black smoke.,
5、n. 煤炭,Factories put waste into the river.,water pollution,litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废弃物,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
6、more words.,noise pollution _ _ _ _,air pollution _ _ _ _,water pollution _ _ _ _,loud music,planes,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 dow
7、n,clean up,Listen again and check ( T ) the sentences you hear .,We could go fishing in the river.（ ） The river was really dirty.( ) The river has always been the nicest river in the this town.( ) 4. We should ask the teacher for help.（ ）,Answer the question.,1. What does Tony want to do later this
8、afternoon? 2. Why doesnt Mark want to go with Tony? 3.How was the river in the past?,Retell the story with the information. What : dirty bottom rubbish fish Why: littering putting waste How : write to close down help to clean up,Role-play the conversation,The river was dirty. Even the bottom of the
9、river was full of rubbish.,But it used to be so clean!,1c,Yes, but people are throwing litter into 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
10、 so clean.,What caused the problem?,But I was there last weekend and the river was really dirty.,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.,What should we do to save the earth?,Turn off
11、 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 and paper,回收利用,Homework,Write a letter to the city mayor about the problems and your suggestions.,Dear mayor, We are worried about our environment ,and we want to enjoy the fresh air and the clean water ,but we cant. That because_ _ So I think that _ We should /could_ ,
