unit 13 section a (1a-2d)

1、,Section A (1a-2d),Unit 13 We're trying to save the earth!,學(xué)習(xí)目標(biāo),Key words & phrases: litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, make a difference Key sentences: 1. The r

2、iver was dirty. Even the bottom of the river was full of rubbish. 2. But it used to be so clean! 3. Yes, but people are throwing litter into the river.,Read and learn,Words and expressions,Lead in

3、,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. 亂扔 n. 垃圾rubbish waste 垃圾 廢棄物,mobile ph

4、one 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 ____________

5、____________________________________,air pollution ____________________________________________,water pollution ________________________________________________,loud music,planes,mobile phones,factories,cars,s

6、moking,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

7、 of the river was full of rubbish.,But it used to be so clean!,Role-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 con

8、versations using the pollution in 1a.,...,...,Language points,1. We’re trying to save the earth! 我們正在竭盡全力拯救地球! try to do sth.=try one’s best to do sth. 努力去做某事。 e.g. Every student should try to study

9、 hard in order to study in a good university. 為了進(jìn)入一所好大學(xué)學(xué)習(xí)，每個(gè)學(xué)生 都應(yīng)該努力學(xué)習(xí)。,2. Here are some words related to different kinds of pollution. be related to 與……有關(guān) e.g. I am

10、not related to him in any way. 我和他無任何關(guān)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 helpin

11、g people live longer. 健康的飲食在幫助人們長壽方面起著 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. 他被邀請參加這個(gè)電視劇的演出。,4. Even the bottom of the river was full of

12、 rubbish. Yes, but people are throwing litter into the river.,litter和rubbish都可指“垃圾”，用作不可數(shù)名詞。rubbish指“沒用的東西(被扔或?qū)⒁獊G棄的無用的東西)”不可回收。,litter指“(室內(nèi)或公共場所)亂扔的廢物(紙屑、不要的包裝紙、廢瓶等)”還可回收。e.g. Throw the rubbish out. 把垃圾扔出

13、去?！　he room is full of rubbish. 房間里堆滿了垃圾?！　ick up your litter after a picnic. 野餐后將廢棄物收拾好。,2a,Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.,land poll

14、ution B. air pollutionC. 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. Facto

15、ries 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 _____________

16、_ 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 and Susan.,2c,The air has become really p

17、olluted around here. I’m 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.,關(guān)掉,2. stop

18、 riding in cars,3. stop using paper towels or napkins（餐巾，餐巾紙）,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, n

19、ever take wooden chopsticks or plastic forks but use the ones at home while buying takeway food,throw rubbish in the bins,Role-play,Jason and Susan, what are your ideas for solving these problems?,Language points,This i

20、s turning beautiful places into ugly ones. turn… into… 把……變成……,e.g. The icy rain seemed like to turn into snow. 凍雨似乎又變成雪花的模樣。,2. It’s good for health and it doesn’t cost anything! cost v. 花費(fèi)；使付出 指花費(fèi)金

21、錢，主語通常是物。cost的過去式和過去分詞均為cost。,e.g. The new shirt cost Mr. Wang 200 yuan. 王先生花了200元買了新襯衫。 How much does the new computer cost? 新電腦花了多少錢？,take, spend, pay & costtake，spend，pay和cost都可以表示“花費(fèi)”，但它

22、們的用法各有不同。1) take多表示花費(fèi)時(shí)間，常用于It takes sb. some time to do sth.這一句型中，其中it作形式主語。 e.g. It usually takes me 40 minutes to cook the dinner.,2) spend多表示花費(fèi)時(shí)間和金錢，主語通常是人，常用于sb. spend(s) some time / money on sth.和sb.

23、spend(s) some time / money (in) doing sth.兩種句型。 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多表示花費(fèi)金錢，主語通常是人，常用于

24、sb. pay(s) some money for sth.句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花費(fèi)金錢，主語通常是物，常用于sth. cost(s) (sb.) some money句型。 e.g. The new dress cost Linda 88 yuan.,根據(jù)句意用take, spe

25、nd, pay或cost的適當(dāng)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 _________

26、_  some time practicing 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

27、 difference (to…) (對……)產(chǎn)生影響或作用 e.g. Do you think his words would make any difference to the final decision? 你認(rèn)為他的話會(huì)對最后的決定產(chǎn)生影響嗎？ The new teacher always encourages little To

28、m. This has made a big difference to him. 新來的老師總是鼓勵(lì)小湯姆。這對他影響很大。,用動(dòng)詞的適當(dāng)形式填空。1. We’re trying _______ (save) the earth.2. There are too many ____ for __________ to catch (fish).3. It’s bad for the environment