九年级英语 第十三单元 第一课时.ppt

1、,Section A Period 1 ( 1a 2d),Unit 13 We are trying to save the earth.,The earth is polluted.,air pollution,The factories that burn coal pollute the air with a lot of black smoke.,Factories put waste into the river.,water pollution,noise pollution,There are more cars on the road.,litter v. 乱扔 n. 垃圾 R

2、ubbish， waste 垃圾，废弃物,People should throw away litter in the bin.,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 _ _ _ _,loud music,planes,mobile phones

3、,factories,cars,smoking,ships,factories,littering,rubbish,building houses,building houses,Help save the earth,We must think of better way to treat our planet in future.,What do you usually do ? Are you a friend of the Earth? Take this quiz.,START,You drink a can of cola. What do you do?,I throw away

4、 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 the old newspapers away.,I recycle the old newspapers.,You throw old newspapers away. You waste paper. That

5、s 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 new plastic bags. Thats bad for the Earth.,You use your own bag. Thats good for the Earth.,When you write on

6、 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.,close down the factories; help to clean up the river; take the bus or subway; ride a bike; bring a bag t

7、o go shopping,throw rubbish in the cans; turn off the lights when you leave a room; use paper or resusable bags; recycle books and paper; turn off the shower when you wash your hair; dont use napkins; rethink,reuse, recycle . .,solutions,1b,Listen and complete the sentences.,really dirty,rubbish,fis

8、h,litter,waste,government,close down,clean up,Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.,1c,Points on P57 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

9、充满 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,2a,Listen to the interview. Circle the kin

10、ds of pollution that Jason and Susan talk about.,A. land pollution B. air pollution 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 an

11、d waste. People _things every day. 4. People are also littering in_ like parks. This turns beautiful parks into ugly places.,more cars,pollute,are throwing away,public places,2b,Listen again and complete the sentences.,Points on P58 be badly polluted 受到严重污染 public places 公共场所 turninto 把变成 cut down 减

12、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 in 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

13、 difference (to) (对)产生影响或作用 lead to 导致，通向,Use the information in 2a and 2b to role-play conversations between Jason and Susan.,2c,Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.

14、 Susan: Yeah, or ride a bike. Other advantages of bike riding are that its good for health and it doesnt cost anything!,2d,Role-play the conversation.,Interviewer: Great ideas! What about waste pollution? Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing

15、that a year ago. Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home.,Susan: And remember to throw rubbish in the cans and keep public places clean and beautiful for everyone. Interviewer: So together, our actions can make a differen

16、ce and lead to a better future!,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.,This is turning beautiful places into ugly ones. turn into 把变成,e.g. The icy rain seemed like to turn int

17、o 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 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

18、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 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 machin

19、e. 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c

20、ost的适当 形式填空。 1. That new car _them lots of money. 2. Mona _ 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 _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)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