Unit 13 Section A (1a～2d)课件-2025-2026学年人教版（2012）英语九年级全册

人教版英语9年级全册培优备课精做课件 第1课时(A 1a-2d) Unit 13 We’re trying to save the earth! 授课教师： Home . 班 级： 九年级（---）班 . 时 间： . 2026年2月8日 2026年2月8日星期日12时2分0秒 2026年2月8日星期日12时2分1秒 _______ pollution _______ pollution air water Look and fill in the blanks. What kind of pollution does the following picture belong to? _______ pollution noise Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones 1a 3 noise pollution air pollution water pollution loud music planes building houses mobile phones machines crowds cars planes factories smoking building houses burning power plants rubbish littering ships factories waste water industrial waste noise pollution 噪音污染 noise名词，意为“噪音”，pollution为不可数名词，意为“污染；污染物”，其动词形式为pollute ，意为“污染” 。 【辨析】noise, sound与voice noise常指不悦耳、不和谐的嘈杂声。sound泛指自然界的各种声音。voice一般指人的嗓音，如说话、唱歌、谈笑声等。 二 三 四 五 一 六 一、根据所给提示写出单词。(6分) 1.［2025·无锡一模改编］To manage throwing ________ (垃圾)about in Wuxi to make a better city requires more serious punishment. 2. Some people think that e-books have so many ___________ (优点)that they will replace traditional books. litter advantages 中考考法 3. Nuclear power is cleaner than ________(煤). It creates less pollution. 4. Although this broken bridge is _______(丑陋的), it tells tales of the past. 5. The fewer ________(塑料的)bags we use, the more beautiful our earth will be. 二 三 四 五 一 六 coal ships plastic 中考考法 熟词生义litter 写出画线词的汉语意思 Don’t litter your room with clothes and books and keep it tidy. ____________ 二 三 四 五 一 六 乱扔 中考考法 Listen and complete the sentences. What was the problem? The river was ___________. Even the bottom of the river was full of ________. There were no more _____ for fishermen to catch. really dirty rubbish fish 1b fisherman可数名词，意为“渔民；钓鱼的人”，由“fisher （n. 渔夫） + man （n.男人）”构成。复数形式是fishermen。 What caused the problem? People are throwing _______ into the river. Factories are putting _______ into the river. How should the problem be solved? We should write to the ____________ and ask them to ___________ the factories. Everyone should help to _________ the river. litter waste government close down clean up 【辨析】litter，rubbish 与waste litter指随手丢弃的垃圾。 rubbish指任何成堆的、破损的、用过的或无用的东西。 waste指任何被丢弃的东西。 Listening skill: Listen to the missing parts and write down the missing words. Listen and answer the questions. 1. Why doesn’t Mike want to swim in the river? 2. What was the river like in the past? 3. Why is this happening to the river? Because the river was really dirty. It used to be so clean. Because people are throwing litter into the river. Factories are also putting waste into the river. Tony: Hey, Mark, maybe we could go swimming in the river later this afternoon. Mark: I don’t think I want to go, Tony. Tony: Why not? Mark: I was there last weekend and the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch. Tapescripts: 下午晚些时候 河底 Tony: No way! It used to be so clean. In fact, it has always been the nicest river in this town. Mark: Not anymore. I think people are throwing litter into the river. Factories are also putting waste into the river. 不可能！ 再也不是了。 Tony: That’s terrible! We should write to the government. They should close down the factories. Mark: Good idea! But I think everyone in this town should help to clean up the river, too. Everyone should play a part, not just the government. 关闭 参与 二、用方框内词的适当形式填空。 6. The couple lived in a little white ________ house. 7. All the ________ were surprised when they saw so big a fish. 8. Strong winds sometimes make it hard for ________ to move safely on the sea. 二 三 四 五 一 六 ship, fisherman, takeaway, wood, act wooden fishermen ships 中考考法 9. As the saying goes, “________ speak louder than words.” 10. Young people have different reasons for choosing ___________ food. 二 三 四 五 一 六 ship, fisherman, takeaway, wood, act Actions takeaway 中考考法 Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a. 1c Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean! Mark: Yes, but people are throwing litter into the river. Tony: Everyone in this town should play a part in cleaning it up! used to意为“曾经……；过去……”，其后接动词原形，表示过去经常发生的动作或存在的状态。used不随人称和时态的变化而变化。 play a part in意为“参与……”，in是介词，其后可接名词、代词或动词-ing形式。其同义短语为take part in。 Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. 2a A. land pollution B. air pollution C. noise pollution D. water pollution Listening skill: You don’t have to hear every word. Just pay attention to key words. 2b Listen again and complete the sentences. 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. cars pollute more Tapescripts: Interviewer: Today we’re talking to Jason and Susan about environmental problems. Jason and Susan, can you tell us about some of the problems you’ve seen? Jason: I think one problem is that the air is badly polluted. I hardly ever see blue skies anymore. Susan: Yes, and I used to see the stars clearly. Interviewer: What do you think has caused this problem? Susan: Well, there are more cars on the road these days. Jason: And factories that burn coal also pollute the air with a lot of black smoke. Interviewer: What other problems do you see? Susan: I guess there’s too much rubbish and waste in the streets. ① ② Jason: Yes! Every day people are throwing away things like wooden chopsticks, plastic bowls and plastic bags. 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. ③ ④ 三、单项选择。 ( )11. —How much is the ticket to Central Park? —A one-way ticket ____ $40, and you can ____ another $20 for a round trip. A. costs; pay B. costs; spend C. pays; spend D. spends; pay 二 三 四 五 一 六 A 中考考法 ( )12. To ____ air pollution, we should take the bus or subway instead of driving. A. cut down B. cut off C. cut up D. cut in 二 三 四 五 一 六 A 中考考法 ( )13.［2024·扬州中考］—Do you know why zebrafish are taken to Shenzhou-18? —They have ____ like small size and a short development cycle. A. stages B. advantages C. messages D. passages 二 三 四 五 一 六 B 中考考法 ( )14. My physics teacher ____ my life. I changed a lot, thanks to him. A. took part in B. brought out C. made a difference to D. brought bad luck to 二 三 四 五 一 六 C 中考考法 ( )15. ［2025·成都期末改编］My dad used to ____ me to school, but now I am used to ____ to school. I think it’s good exercise. A. drive; walking B. drive; walk C. driving; walk D. driving; walking 二 三 四 五 一 六 A 中考考法 熟词生义cut down 写出画线短语的汉语意思(1分) Today the forests are disappearing. We must stop people from cutting down too many trees. ____________ 二 三 四 五 一 六 砍伐 中考考法 Use the information in 2a and 2b to role-play conversations between Jason and Susan. 2c 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 ... Pollution Ways to solve the problem air pollution waste pollution Bring a ____ to go shopping. bag wooden Take the bus, ______ or ride a bike instead of driving. plastic rubbish Read and complete the chart. Never take ______ chopsticks or _____ forks when buying takeaway food. Throw ________ in the bins. subway 2d Role-play the conversation. 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! instead of 意为“代替，而不是”，其后一般接名词、代词或动词-ing形式作宾语。 instead是副词，意为“代替；相反”，常位于句首或句末作状语。 cut down“动词＋副词”型短语，意为“削减；缩小（尺寸、数量或数目）”。 have an/the advantage over 胜过…… take advantage of 利用…… be good for 对……有益 Sth. cost(s) (sb.)+金钱. 某物花费（某人）多少钱。 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 ones at home. 可数名词，意为“外卖食物”。 Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. Interviewer: So together, our actions can make a difference and lead to a better future! make a difference意为“影响；有作用”。make a difference to意为“对……产生影响”。difference前面可加修饰语，如 big, great等，表示影响的程度。 lead to意为“引起（结果等）；通向（某地）”。 remember to do sth.记得去做某事（事情还没有做） remember doing sth.记得做过某事（事情已经做了） Watch and read Retell the conversation as prompted below. Ways to cut down air pollution take the bus take the subway ride a bike Ways to cut down waste pollution bring a bag to go shopping never use wooden chopsticks or plastic forks throw rubbish in the bins 四、根据汉语意思完成句子。 16.5G在我们的日常生活中发挥着重要作用。 5G ________ ________ ________ ________ in our daily life. 17.丰富的知识将引导我们通向成功。 Plenty of knowledge ________ _______ _______ _______ success. plays an important part 二 三 四 五 一 六 will lead us to 中考考法 18.为了创造一个更加绿色的环境，我们应该走路或乘坐公交车，而不是开车。 In order to create a greener environment, we should walk or take the bus __________ __________ driving. instead of 二 三 四 五 一 六 中考考法 五、补全对话。（有一项多余) Zoe: Jim, do you know the phrase “plastic footprints”? Jim: Does it mean that the soles (鞋底)of the shoes are made of plastic? Zoe: 19. ________ It refers to the number of plastic products people use in daily life. 二 三 四 五 一 六 A. Of course not. B. Anything else? C. That’s really not enough. D. I couldn’t agree with you more. E. We should make fewer plastic footprints. F. How do you make fewer plastic footprints in life? A 中考考法 Jim: I See. It seems that having too many plastic footprints isn’t good. 20. ________ Zoe: You are right. Jim: 21. ________ Zoe: Whenever I buy coffee, I use my own coffee cup. Jim: Yes, it does help. 22. ________ 二 三 四 五 一 六 A. Of course not. B. Anything else? C. That’s really not enough. D. I couldn’t agree with you more. E. We should make fewer plastic footprints. F. How do you make fewer plastic footprints in life? E F B 中考考法 Zoe: Also, I use reusable cloth bags when shopping. Jim: Wow! You’ve done a lot to protect the environment. Zoe: 23. ________ More things need to be done. Jim: I’d like to join you to help. A. Of course not. B. Anything else? C. That’s really not enough. D. I couldn’t agree with you more. E. We should make fewer plastic footprints. F. How do you make fewer plastic footprints in life? C 二 三 四 五 一 六 中考考法 六、完形填空。 I work as an eco-counsellor(生态顾问)at my school and have truly enjoyed this role over the past six months. Since I’m__ 24__ about environmental protection, every day in this position brings me joy. 24.( )A. crazy B. nervous C. angry D. calm A 二 三 四 五 一 六 中考考法 As an eco-counsellor, my responsibility is to __25__ that our school takes action to protect the environment. There are six of us in the team. We meet every two weeks to bring__ 26__ ideas. 25.( )A. point out B. find out C. make sure D. keep in mind 26.( )A. different B. common C. old D. same 二 三 四 五 一 六 C A 中考考法 During these meetings, we talk about ways to encourage students to__ 27__ their daily behavior and become more environmentally friendly. 27.( )A. forget B. keep C. improve D. explain 二 三 四 五 一 六 C 中考考法 Last month, we noticed the serious__ 28__ problem around the school. We made some eye-catching__ 29__with fun messages like “Trash in__ 30__, All Wins!” 28.( )A. polluting B. littering C. wasting D. heating 29.( )A. books B. signs C. photos D. letters 30.( )A. Bags B. Baskets C. Bottles D. Bins B B D 二 三 四 五 一 六 中考考法 and put them up all over the school. Besides, we gave a talk about the problem in a school meeting. The results were great. Now, the floors are__ 31__ clean. 31.( )A. seldom B. sometimes C. never D. always 二 三 四 五 一 六 D 中考考法 We also work on recycling. We knew some students might not understand__ 32__ important it is to sort(分类)waste. So, we placed different bins for glass, paper and plastic in every classroom. 32.( )A. who B. why C. how D. what 二 三 四 五 一 六 C 中考考法 We made the bins look nice and even had a small__ 33__to see which class could do the best in a week. Now students are doing a great job, and our school is becoming a cleaner and healthier place to study and grow. 33.( )A. game B. report C. exam D. meal 二 三 四 五 一 六 A 中考考法 $