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1、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，废弃物,Peopl
2、e 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,planes,mob
3、ile 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 river. 2. Th
4、e river was really dirty. 3. The river has always been the nicestriver 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 into the r
5、iver.,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.,Factori
6、es 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.,1. Were
7、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 not related to him
8、 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出。,4. Even the botto
9、m 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 up your litter after a
10、 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 the road these days. 2
11、. 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,public places,Listen an
12、d 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,The air has become really
13、 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 and paper,回收利用,2d,Read 2
14、d 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 a bike. There are other
15、 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 takeawa
16、y (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 actions can make a difference and lead to a better future!,
