Unit 4 Reduce, Reuse, Recycle Section A 1a～2d 课件 2026-2027学年人教版九年级英语下册

该初中英语课件围绕“Reduce, Reuse, Recycle”主题，聚焦环境污染的原因、影响及解决方案，通过日常观察提问和图片讨论导入，以听力对话、垃圾分类活动为支架，帮助学生从感知到应用构建知识脉络。 其亮点在于融合语言能力与思维品质，通过听力填空、判断等任务提升理解能力，结合垃圾分类实践培养分析问题能力，功能语言框架表系统总结表达。学生能增强环保意识和语言运用，教师可借助结构化资源优化教学。

Unit 4 Reduce, Reuse, Recycle v. /ˌriːˈjuːz/ v./ˌriːˈsaɪkl/ Look and share What do you see in the photo? I see two boys. One of them is throwing a plastic bottle into a recycling bin. It will be sent to a recycling centre and made into new products. I usually collect plastic bottles and put them into recyclable waste bins. 3. How do you usually deal with bottles at home? 2. Where do you think the bottles will go? BIG Question ? Why should we protect our environment? Pollution harms our health and wild animals. Protecting the environment helps us live a better and safer life. In this unit, you will 1.talk about the causes and effects of pollution. 2.discuss how pollution affects our lives. 3.write an online post to request actions on environmental problems. 4.explore different solutions to environmental problems. n. /pəˈluːʃn/ Section A What causes pollution?（1a~2d） At the end of the class, we are able to: 1.understand three listening conversations about pollution and waste sorting, and complete a table‑filling task, True/False tasks, and a matching task. 2.master key words about pollution types, causes, and waste sorting, and use them to describe the causes and influences of pollution. 3.communicate with partners about environmental problems, discuss pollution concerns, and share how we deal with waste in daily life. Learning Objectives Class, have you seen any pollution around you in your daily life? 1a Match the words in the box with the pollution they relate to. Some words can be used more than once. cars  planes  ships  factories  farms soil  waste  gas  chemicals  smog 1. 2. 3. cars, planes, factories, gas, smog factories, farms, soil, waste, chemicals ships, factories, farms, waste, chemicals n.&adj. /ˈkemɪkl/ n. /smɒg/ World Environment Day is coming. Each of you should make a report on the causes and effects of a pollution type. Hi, Sam! What did you write about in your report for the World Environment Day? 1b Listen to the conversations. What kinds of pollution did Sam and Adam write about? Sam: _________________ Adam: _________________ air pollution land pollution power plants Cause Effect waste gas from _________ and ____________ • __________ see across the street • bad for people's _________ • harm _________ and animals • make global warming even ________ harmful chemicals in the waste from ________ and _________ harmful chemicals from ________ • pollute the ________ and water • get into the ________ and water, make people __________ • ________ plants and animals 1c Listen again. Complete the table with the causes and effects from the conversations. factories homes soil 全球（气候）变暖；地球大气层变暖 hardly health plants worse industries farming food sick harm adj. /ˈɡləʊbl/ v. /pəˈluːt/ Listen to the conversations one more time and choose the correct answer. 1. What does Sam mean when he says “That’s the big question, isn’t it?” A. He thinks the question is too easy to answer. B. He doesn’t want to talk about solutions anymore. C. He believes finding a solution is difficult and important. 2. At the end of Conversation 2, what does Adam expect to get from the school trip to the waste disposal centre? A. Useful ideas for solving land pollution. B. A chance to change his report topic. C. Permission to stop writing the report. Let’s find the functional language(功能语言) in the conversation. 询问报告主题 描述环境问题及危害 探讨解决措施 ✅  功能语言框架总结表 功能 常用表达框架 询问报告 主题 What did you write about in your report for ... ? /What was your report about? 描述环境 问题及危害 it’s so smoggy that I can hardly see across the street! /...is really bad for our health too. /... harms plants and animals and makes global warming even worse. / so much waste from people’s homes and industries gets buried underground. Then harmful chemicals from the waste pollute the soil and water. /...get into the food we eat and the water we drink. It makes people sick and harms plants and animals. 探讨解决 措施 Any solutions?/That’s the big question, isn’t it?/What do you think we can do about it?/I think we may get some ideas during our school trip to the waste disposal centre! 1b and 1c Read the conversation and learn some language points. Conversation 1 Fu Xing: Hi, Sam! What did you write about in your report for the World Environment Day? Sam: Hi, Fu Xing! I wrote about air pollution because I’m really worried about it. Sometimes it’s so smoggy that I can hardly see across the street! Fu Xing: Air pollution is really bad for our health too. 世界环境日 空气污染 对……有害 Sam: Yes! It also harms plants and animals and makes global warming even worse. Fu Xing: Do you know why air pollution is getting worse in some places nowadays? Sam: Experts say that waste gases from factories and power plants are the main cause. Fu Xing: Any solutions? Sam: That’s the big question, isn’t it? 主要原因 Conversation 2 Fu Xing: How about you, Adam? What was your report about? Adam: I wrote about land pollution. Every day, so much waste from people’s homes and industries gets buried underground. Then harmful chemicals from the waste pollute the soil and water. 土地污染 Fu Xing: Not just that! There are also harmful chemicals from farming. Adam: Yes, and they get into the food we eat and the water we drink. It makes people sick and harms plants and animals. Fu Xing: What do you think we can do about it? Adam: I think we may get some ideas during our school trip to the waste disposal centre! 进入 垃圾处理中心 1d Talk about the kind of pollution you worry about. A: I’m really worried about … B: Why? A: Because … I’m really worried about water pollution. Why? Because lots of waste flows into rivers and seas. It kills fish and other water creatures. What’s more, it pollutes our drinking water and puts people’s health at risk. So, are there any effective solutions to these pollution problems? 2a Put the waste items into the correct waste bins. What else could go in each bin? Brainstorm a list. A B C D E F J H I G K What else could go in each bin? Recyclable Waste paper, cans, magazines, glass bottles Hazardous Waste expired medicine Food Waste apple peels, fruit peels Other Waste used chopsticks, cigarette ends Tomorrow, all of us will go to the waste disposal center for a visit. Please make sure to observe and learn a lot! Hello, everyone! Welcome to our waste disposal centre. 1. The students are watching a video about a waste disposal centre.  T F 2. Most of the rubbish in the centre comes from businesses.  T F 3. The rubbish in the centre is organized into different groups first.  T F 4. There are three ways to treat rubbish in the centre.  T F 5. The best way to protect the environment is to recycle waste.  T F 2b Listen to the conversation. Circle T for true or F for false. paper, glass, metal, ________________ 2c Listen again and complete the chart. Then retell how different kinds of rubbish are dealt with in the centre. plastic bottles rubbish from homes, schools, __________, and businesses Waste disposal centre  _________ waste and wood __________waste used to make new ____________ burnt and processed to provide ________ added ________ to help plants grow products medical energy food to soil hospitals At the waste disposal centre, rubbish is first organized into different groups. Recyclable things like paper, glass, metal, and plastic bottles are taken to recycling centres to make new products. Medical waste and wood are burnt to provide energy, and food waste is treated and added to soil to help plants grow. 1.What is the manager's main job during the students' visit? A. To show them around the centre and explain the process. B. To collect rubbish from schools and hospitals. C. To teach them how to make new products from waste. 2. What is the best way to protect the environment according to the manager? A. To recycle all waste. B. To burn all kinds of rubbish. C. To cut down the waste we produce. Listen to the conversation one more time and choose the correct answer. Let’s find the functional language(功能语言) in the conversation. 表达惊讶与好奇 询问具体信息 陈述事实、流程 ✅  功能语言框架总结表 功能 常用表达框架 表达惊讶与好奇 Wow, I never realized that.../ I wonder where it comes from. 陈述事实、 流程 Most of the rubbish here comes from people’s homes./First, we organize it into different groups as soon as it arrives./ The things that can be recycled, such as..., will be taken to recycling centres./ They can be used to make new products./...can be burnt and processed to provide energy./ The food waste can be treated and then added to soil to help plants grow. 询问具体信息 What happens to the rubbish here? /What about the things that can’t be recycled? 2b, and 2c Read the conversation and learn some language points. Manager: Hello, everyone! Welcome to our waste disposal centre. I’m the manager here, and I’m going to take you on a tour around our centre. Please, follow me. Fu Xing: Wow, I never realized that there are so many kinds of rubbish! I wonder where it comes from. Manager: Most of the rubbish here comes from people’s homes. The rest is from schools, hospitals, and businesses. take sb. on a tour 带领某人参观 n./ˈmænɪdʒə(r)/ Fu Xing: What happens to the rubbish here? Manager: First, we organize it into different groups as soon as it arrives. The things that can be recycled, such as paper, glass, metal, and plastic bottles, will be taken to recycling centres. They can be used to make new products. Adam: What about the things that can’t be recycled? v./ˈɔːɡənaɪz/ 一…… 就…… 被送往…… 被用来做某事 Manager: Some of it, such as medical waste and wood, can be burnt and processed to provide energy. The food waste can be treated and then added to soil to help plants grow. Sam: That sounds good for the environment! Manager: It is, but we must remember that reducing our waste is still the best solution for our environment. 例如；比如 n./səˈluːʃ(ə)n/ What a meaningful visit! From now on, we’ll produce less rubbish and recycle more. 2d Discuss how you deal with different kinds of waste at home. A: We have … at home. B: How do you deal with …? A: We usually put … into … Click to learn more! How do you deal with them? We usually put them into recyclable waste bins. We have many plastic bottles at home. Key Phrases _____________________________ _____________________________ _____________________________ _____________________________ _____________________________ global warming World Environment Day air pollution be bad for main cause 全球（气候）变暖； 地球大气层变暖 世界环境日 空气污染 对……有害 主要原因 土地污染 _____________________________ land pollution _____________________________ _____________________________ _____________________________ _____________________________ get into waste disposal centre take sb. on a tour as soon as 进入 垃圾处理中心 带领某人参观 一……就…… 被送往…… 被用来做某事 例如；比如 _____________________________ be taken to _____________________________ be used to _____________________________ such as Language Points Discuss how you deal with different kinds of waste at home. 辨析deal with与do with 词组 含义及用法 例句 deal with 意为“处理，解决；对付”。 常与how连用。 I know how to deal with that problem by myself. do with 意为“处理；处置”。 常与what连用。 I have learned what to do with the mess. deal with　 do with When we are in trouble, we should consider what to ① __________　　 the problems instead of just complaining (抱怨) about them. And while we face difficult problems, we need to think about how to ② __________ the present situation. do with deal with 返回 Exercises 一、根据括号内提示词填空。 Our geography teacher told us that __________ (全球的) warming is one of the biggest problems we face today. We should __________ (重复使用) our old notebooks to take notes on the back pages before we recycle them. 3. The factory was closed by the government because it used too many harmful __________ (化学制品) in its production. global reuse chemicals 4.We should never __________ (污染) the river near our village because we drink water from it every day. 5. The city built a new waste __________ (清除；处理) centre to deal with the growing amount of rubbish. 6. It’s a good habit to ________ (回收利用) waste bottles and paper. 7. Air __________ (污染；污染物) harms people’s health greatly. pollute disposal pollution recycle 二、根据汉语意思完成句子，每空一词。 1. 我们必须记住，全球变暖正在改变地球上的天气模式。 We must remember that __________ __________ is changing the weather patterns on Earth. 2. 太多垃圾对环境和我们的健康都有害。 Too much rubbish _________ _________ _________ both the environment and our health. global warming is bad for 3. 有害物质从工厂废水中进入河流，杀死了许多鱼。 Harmful substances from factory waste __________ __________ rivers and kill many fish. 4. 我一到家就开始做作业。 _______ _______ _______ I get home, I start doing my homework. 5. 这些旧衣服将被送往回收中心。 These old clothes will ________ ________ ________ the recycling centre. 6. 我知道如何独自处理这个问题。 I know how to __________ __________ this problem by myself. get into As soon as be taken to deal with 1. Listening and speaking: Sam and Adam talked about the causes and effects of air pollution and land pollution.The manager showed how rubbish is sorted, recycled, burned for energy, and turned into soil, and said reducing waste is the best way. 2. Words and expressions: reuse, recycle, pollution, chemical, smog, global, pollute, disposal, global warming 3. Key sentences: ——I’m really worried about … ——Why? ——Because … ——We have … at home. ——How do you deal with …? ——We usually put … into … Summary null 44773.535 null 39993.375 null 78367.18 $