山东省邹平县实验中学九年级英语全册 Unit 13 We’re trying to save the earth Section A课件1 (新版)人教新目标版.ppt
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1、Unit 13 We are trying to save the earth.,Section A 1a-3b,Language Goal,Talk about pollution and envirnmental protection,Objectives,To talk about air pollution, water pollution and sound pollution. To think about ways of protecting the environment. To learn the new words: advantage, scientific,seriou
2、s pollution,We are harming our planet in so many ways.,伤害,air pollution,soil pollution,water pollution,the earth song by Michael Jackson !,Factories pour dangerous gases into the air.,Cars also pour dangerous gases into the air.,tail gas,air pollution!,The weather is always foggy. We cant see the bl
3、ue sky. We cant breathe the fresh air. Do you know why?,Factories produce too much dangerous smoke. The traffic produces too many fumes. Some people smoke in public places.,Dad, whats the acid rain?,Natural resources are disappearing at a dangerous rate.,以危险的速度,Group One,Group Two,Group Three,desert
4、,灭绝,extinct,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 cans.,I recycle cans.,You throw away the cans. Thats bad for the Earth.,You r
5、ecycle 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. Thats bad for the Earth.,You recycle old newspapers. You save paper. Thats good fo
6、r 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 a piece of paper, what do you do?,I write on one side only.,I write on both s
7、ides.,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 to go shopping,throw rubbish in the cans; turn off the lights when you leave a
8、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,industry harmful cost wooden plastic affort,n. 工业 adj. 有害的 v. 花费 adj. 木制的 adj. 塑料的 v. 支付的起,Words and expressions,make a difference take part
9、 in turn off pay for cut down lead to,起作用;有影响 参加 关掉 付费;付出代价 减少 导致,Words and expressions,Were trying to save the earth. 我们在努力拯救地球。 The rive used to be so clean. 这河流过去是如此的清澈。 The air is badly polluted. 空气被严重污染。 The method is not only cruel, but also harmful to the environment. 这种方法不仅残酷,而且对环境也有害。,Sente
10、nces,基础预习 写出下面单词的意思 litter_ bottom_ fisherman_ ugly_ cost_ plastic_ coal_ advantage_ wooden_,把下面的短语与汉语意思连起来。 make a diffenence cut down lead to be full of play a part in,导致 起作用 减少 参与 充满,Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.,1a,
11、noise pullotion,air pollution,water pollution,Listen and complete the sentences.,1b,really dirty,rubbish,fish,litter,waste,government,close down,clean up,Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.,1c,2a,Listen to the interview. Circle the kinds o
12、f 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 and wa
13、ste. People _things away every day. 4. People are also littering in_ like parks. Th is turns beautiful parks into ugly places.,more car,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 Su
14、san.,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. Susan: Yeah, or ride a bike. Other advantages of bike riding are that its good for health and it doesnt cost anything!,2d
15、,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 that a year ago. Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the
16、 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 difference and lead to a better future!,辨析: turn, get与become (1) become 多指身份,职位等的变化, 它强调变化过程已经完成,后面可以接名词 或者形容词。 He becomes a teach
17、er. (2) get多用于口语,表示一种变化过程, 强调的是“渐渐变化”后常接形容词的比较级形式。,Language Points,In winter the days get shorter. 冬天白天渐渐变短。 (3) turn 指的是在颜色和性质等方面与以前的完全不同,强调变化的结果。 leaves turned brown in the mountains. 山里的树叶已经变成了棕色。 : Her mother _ angry when she heard the news. Its _ darker and darker outside. The milk has _bad.,练习
18、,became,getting,turned,cut down, 意为“减少“; 是“动词+副词”结构的短语,后面所带的宾语为名词时,宾语可以位于down的前面或后面;为代词时只能位于down前面。 Youd better cut the article down to about 2000 words. cut 后接off, into,up, in 的不同:,拓展,辨析:spend, cost, take, pay,1. Do you take exercise everyday? Yes, I always _ thirty minutes after supper. A spend B
19、cost C take D pay 2. I _ 300 yuan for the bike. A took B spend C cost D paid,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
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