1、Unit 13 We are trying to save the earth.,Section A 1a-2d,air pollution,water pollution,noise pollution,land pollution,1a,Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.,noise pollution _ _ _ _ cars,air pollution _ _ _ _,water pollution _
2、 _ _ _,loud music,planes,mobile phones,factories,cars,smoking,ships,factories,littering,rubbish,building houses,building houses,close down the factories; help to clean up the river;take the bus or subway; ride a bike; bring a bag to go shopping,throw rubbish in the cans;turn off the lights when you
3、leave a room; use paper or resusable bags; recycle books and paper;turn off the shower when you wash your hair; dont use napkins;,solutions,1b,Listen and complete the sentences.,really dirty,rubbish,fish,litter,waste,government,close down,clean up,Role-play the conversation. Then make your own conve
4、rsations about the kinds of pollution in 1a.,1c,Finish the conversation and role-play it .,1c,Finish another conversation and role-play it .,1c,Points on P97 try to do =try ones best to do 努力去做某事 be related to 与有关 mobile phones 手机 rubbish, litter ,waste 垃圾,废物 the bottom of the river 河底 be full of 充满
5、 fisherman-fishermen 渔民 government 政府 throw litter into the river 把垃圾扔到河里 ask sb. to do 要求某人干某事 close down the factories 关闭工厂 clean up 打扫 used to be过去是 play a part in参与，在中扮演角色,Memory 努力去做某事 与有关 手机 垃圾,废物 河底 充满 渔民 政府 把垃圾扔到河里 要求某人干某事 关闭工厂 打扫 过去是 在中起作用，在中扮演角色,try to do,be related to,mobile phones,litter
6、 ; rubbish;waste,the bottom of the river,be full of,fisherman,government,throw rubbish into the river,ask sb. to do sth.,close down the factories,clean up,used to be,play a part in,2a,Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.,A. land pollutionB. air poll
7、ution C. noise pollution D. water pollution,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. 3. There is also too much rubbish and waste. People _things every day. 4. People are also littering in_ like parks
8、. This turns beautiful parks into ugly places.,more cars,pollute,are throwing away,public places,2b,Listen again and complete the sentences.,Use the information in 2a and 2b to role-play conversations between Jason and Susan.,2c,2c,Interviewer: Jason and Susan, what are your ideas for solving these
9、problems? Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding . Its good for health and it doesnt cost anything!,2d,Role-play the conversation.,Interviewer: Great ideas! What about waste p
10、ollution? Susan: Mmm, I think simple things like bringinga bag to go shopping can help. I starteddoing that a year ago. Jason: Me, too. Also, I never take woodenchopsticks or plastic forks when I buytakeaway food. I use the ones at home.,Susan: And remember to throw rubbish in thebins and keep publi
11、c places clean andbeautiful for everyone. Interviewer: So together, our actions can make a difference and lead to a betterfuture!,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.,Point
12、s on P98 be badly polluted 受到严重污染 public places 公共场所 turninto 把变成 cut down 减少 take the bus or subway instead of driving 乘坐公交或地铁代替开车 ride a bike 骑自行车 advantages of bike riding 骑自行车的好处,Points on P58 be good for our health 对我们的健康有好处 cost，spend，take, pay 花费 wood-wooden takeaway food 外卖食物 throw rubbish i
13、n the bins 把垃圾扔进垃圾箱 keep public places clean and beautiful 保持公共场所干净漂亮 make a difference (to) (对)产生影响或作用 lead to 导致，通向,This is turning beautiful places into ugly ones.turn into 把变成,e.g. The icy rain seemed like to turn into snow.渐渐地冻雨又变成雪花的模样。,Language points,2. Its good for health and it doesnt cost
14、 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。,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. I
15、t 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) watching the news on TV every day.,3) pay多表示花费金钱，主语通常是
16、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
17、ow. 3. It usually _ me an hour to do my homework.,cost,spent,takes,4. You should _ some time practising your pronunciation. 5. My brother _ 6, 000 yuan for the new computer yesterday.,spend,paid,3. So together, our actions can make a difference and lead to a better future!make a difference (to)表示(对)
18、产生影响或作用e.g. Do you think his words would make any difference to the final decision?你认为他的话会对最后的决定产生影响吗？,The new teacher always encourages little Tom. This has made a big difference to him. 新来的老师总是鼓励小汤姆，这对他影响很大。,用动词的适当形式填空。 1. Were trying _ (save) the earth. 2. There used to _ (be) clean and beautiful
19、. 3. There are too many _ for _to catch (fish). 4. Its bad for environment to use _ (wood) chopsticks.,to save,be,fish,wooden,fishermen,用方框中所给词的适当形式填空。1. Dont throw _(垃圾) everywhere. 2. In winter, many people burn _(煤) to keep warm. 3. The police found a body at the _(底部) of the lake. 4. The _(花费) of living in big cities is very high. 5. He keeps a rabbit in a big _(木制的) box.,cost,wooden,coal,bottom,litter,
