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1、Unit 13 Were trying to save the earth!,Section A 1 1a-2d,The earth is polluted.,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,People should
2、 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 （关于）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
3、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,1c,Role-play the conversation,The river was dirty. Even the bottom of the river was full of rubb
4、ish.,But it used to be so clean!,Yes, but people are throwing litter into the river.,Everyone in this town should play a part in cleaning it up!,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. Well try to finish the work in a week. 我们将努力在一周内完成这项 工作。,Languag
5、e points,2. Here are some words related to different kinds of pollution. be related to 与有关 e.g. Is the driver relate to the accident? 司机和这起事故有关吗？,3. 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
6、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 pollution that Jason and Susan talk about.,land pollution B. air po
7、llution 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.,more cars,pollute,3. There is also too much rubbish and waste. Peop
8、le _ 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,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 n. 餐巾,
9、餐巾纸,recycle books and paper,v. 回收利用; 再利用,2d,listen to 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(木头的) chopsticks or plastic forks when buying takeaway food,throw rubbish in the bins,e.g. The new shirt cost Mr Wang 20
10、0 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？,1. 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的过去式和过去分词均为cost。,Language points,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
11、 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) reading the newspaper ev
12、ery 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 80 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
13、_ 50 yuan on the books just now. 3. It usually _ me an hour to do my homework.,cost,spent,takes,4. You should _ some time practising your pronunciation. 5. My brother _ 3,000 yuan for the new computer yesterday.,spend,paid,2. So together, our actions can make a difference and lead to a better future! make a difference (to) 表示(对)产生影响或作用 e.g. Learning English well can make a difference to your future. 学好英语会对你的前途有影响。,Homework,1. Copy the new words and remember them. 2. Read the listening materials of 1b, 2a. 3.完成英语学法课后提升练习,
