Unit13 We‘re trying to save the earth! SectionA 2a～2d课件 -2025-2026学年人教版（2012）英语九年级全一册

Unit 13 We’re trying to save the earth. 人教版 九年级下册 1.To learn 11 words and phrases. 2. To learn to use the sentence patterns: used to...but now… should do sth. 3.To learn to talk about pollution and environmental protection. Susan: They’re also littering in public places, for example, during picnics in parks. This is turning beautiful places into ugly ones. Interviewer: You’re right. These are serious problems for our environment. Next, let’s talk about the things we can do to help. Tape scripts 把…变成… Jason: The air has become really polluted around here. I’m getting very worried. Susan: Yes, I used to be able to see stars in the sky. Jason: The problem is that. . . coal n. 煤；煤块 ugly adj. 丑陋的；难看的 wooden adj. 木制的；木头的 Listen to an interview and make your choices. What can we do to cut down air pollution? (more than one choice) Drive the car B. Take the bus or subway C. Ride a bike D. Bring a bag to go shopping What can we do to deal with waste pollution? (more than one choice) Bring a bag to go shopping B. Take wooden chopsticks when buying take away food C. Take plastic forks when buying take away food D. Throw rubbish in the bins plastic adj.塑料的 n.塑料；塑胶 Language points 10. cause vt. 造成 n[C]. 起因（一般指不好的事情） Drinking and driving is one’s of the most common cause of traffic accidents. 酒后驾车是导致交通事故最常见的原因之一。 the cause of sth. 某事的起因 What do you think has caused this problem? 你认为什么造成了这个问题？ Use the information in 2a and 2b to role-play conversations between Jason and Susan. Jason: The air has become really polluted around here. I’m getting very worried. Susan: Yes, I used to be able to see stars in the sky. Jason: The problem is that ... Step 1.语境导入。请同学们思考下面的问题： What are your ideas for solving the air pollution/waste pollution problem？  　Air pollution and waste pollution.　⁠ Air pollution and waste pollution.　 litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废弃物 People should throw away litter in the bin. n. 垃圾箱 noise pollution There are more cars on the road. 　　Step 4.尝试在不看课本的情况下，完成对话填空。 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. There are other  　advantages　⁠of bike riding.It’s good for health and it doesn’t cost anything！   Interviewer：Great ideas！ What about  　waste pollution　⁠？   cut down instead of advantages waste pollution Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution Role- play the conversation Jason and Susan, what are your ideas for solving these problems? We’re 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。 Sentences Listen and find out what caused the pollution The air is badly polluted: 1. because there are __________on the road these days. 2. ___________that burn coal also _________________with a lot of black smoke. There is too much rubbish and waste: 1. People are_______________ things every day 2. People are also________ in public places like parks. more cars Factories throwing away littering pollute the air reasons reasons 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 ones at home.   Susan：And remember to throw rubbish in the  　bins　⁠and keep public places clean and beautiful for everyone.  wooden takeaway bins 基础预习 写出下面单词的意思 litter________ bottom________ fisherman_________ ugly__________ cost________ plastic________ coal_______ advantage_______ wooden_______ Interviewer：So together，our actions can  　make a difference　⁠and 　lead to　⁠a better future！  　　◎学法指导：在完成上面练习时尝试不看课本完成填空，重点记忆所填单词或短语。 make a difference lead to Make a conversation A: Why is the air badly polluted ? B: Because there are ... A : Why is there too much rubbish and waste? B: Because People are throwing away... 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 用方框中所给词的适当形式填空。 1. Don't 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 cost wooden coal bottom litter $