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1、,Section A (1a-2d),Unit 13 Were trying to save the earth!,学习目标,Key words & phrases: litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, make a difference Key sentences: 1. The river was dirty. Even the bottom of the river was full of rubbish. 2. But it used to be so clean! 3. Ye
2、s, but people are throwing litter into the river.,Read and learn,Words and expressions,Lead in,The earth is polluted.,air pollution,The factories that burn coal pollute the air with a lot of black smoke.,water pollution,Factories put waste into the river.,litter v. 乱扔 n. 垃圾 rubbish waste 垃圾 废弃物,mobi
3、le phone pollution,noise pollution,There are more cars on the road.,Presentation,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,mobile phones,fac
4、tories,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,1c,The river was dirty. Even the bottom of the river was full of rubbish.,But it used to be so clean!,Role
5、-play the conversation.,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.,.,.,Language points,1. Were trying to save the earth! 我们正在竭尽全力拯救地球! try to do sth.=try ones best to do sth. 努
6、力去做某事。 e.g. Every student should try to study hard in order to study in a good university. 为了进入一所好大学学习，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 not related to him in any way. 我和他无任何关系。,3. Everyone in this town should play a part in cle
7、aning 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 throwing litt
8、er 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。,2a,Listen to the interview. Circle the kinds of
9、 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. Factories that burn coal also _ the air with a lot of black smoke.
10、,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 (丑陋的) ones.,are throwing away,public places,Use the information in 2a and 2b to role-play conversations between Jason an
11、d Susan.,2c,The 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?,Discussion,1. Turn off the lights when you leave a room.,关掉,2. stop riding in cars,3. stop using paper towels
12、or napkins（餐巾，餐巾纸）,4. recycle books and paper,回收利用,5. .,2d,Read 2d and complete the chart.,take the bus, subway or ride a bike instead of driving,bring a bag to go shopping, never take wooden chopsticks or plastic forks but use the ones at home while buying takeway food,throw rubbish in the bins,Rol
13、e-play,Jason and Susan, what are your ideas for solving these problems?,Language points,This is turning beautiful places into ugly ones. turn into 把变成,e.g. The icy rain seemed like to turn into snow. 冻雨似乎又变成雪花的模样。,2. Its good for 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
14、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 & cost take，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 sth.这一句型中，其中it作形式主语。 e.g. It usually takes me 40 minutes to cook t
15、he 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 every 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 yuan on the books just n
