Unit 4 Reduce,Reuse,Recycle 课件2026-2027学年初中英语人教版九年级下册

该初中英语课件围绕“污染成因”主题，涵盖污染相关词汇（reuse, recycle等）、短语（global warming）、核心句型及状语从句语法。课堂导入通过“你知道哪些污染类型？”激活旧知，引出新词汇，再结合听力对话学习污染成因与影响，最后以垃圾分类实践巩固，构建从词汇到语用的学习支架。 其亮点在于融合语言能力与思维品质培养，通过听力表格填写（1c）分析污染因果，垃圾分类活动（2c）实践解决问题，语言点练习强化语法应用。总结部分系统梳理知识点，助力学生高效掌握，教师可借助结构化设计提升教学效果。

Unit 4 What causes pollution? Section A（1a-2d） · 学习目标 · 新课导入 · 内容讲解 · 课堂总结 Learning goals 1. New words: reuse, recycle, pollution, chemical, smog, global, pollute, disposal 2. Expressions: global warming 3. Sentences: ① I wrote about air pollution because I’m really worried about it. ② Wow, I never realized that there are so many kinds of rubbish! Lead-in What kinds of pollution do you know? light pollution water pollution air pollution New words reuse /ˌriːˈjuːz/ v. 再次使用；重复使用 recycle /ˌriːˈsaɪkl/ v. 回收利用 pollution /pəˈluːʃn/ n. 污染；污染物 chemical /ˈkemɪkl/ n. 化学制品；化学品 adj. 化学的；化学品的 smog /smɒɡ/ n. 烟雾 global /ɡləʊbl/ adj. 全球的；全世界的 pollute /pəˈluːt/ v. 污染；弄脏 disposal /dɪˈspəʊzl/ n. 去掉； 清除 reuse /ˌriːˈjuːz/ v. 再次使用；重复使用 recycle /ˌriːˈsaɪkl/ v. 回收利用 pollution /pəˈluːʃn/ n. 污染；污染物 chemical /ˈkemɪkl/ n. 化学制品；化学品 adj. 化学的；化学品的 smog /smɒɡ/ n. 烟雾 global /ɡləʊbl/ adj. 全球的；全世界的 pollute /pəˈluːt/ v. 污染；弄脏 disposal /dɪˈspəʊzl/ n. 去掉； 清除 Textbook 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. Air pollution 2. Land pollution 3. Water pollution Textbook 1b Listen to the conversations. What kinds of pollution did Sam and Bill write about? Sam:______________________ Bill:_______________________ air pollution land pollution Textbook 1c Listen again. Complete the table with the causes and effects from the conversations. Cause Effect • waste gas from _______ and power plants • ___________see across the street • bad for people’s _______ • harm _________________ • make global warming even ______ factories can hardly health plants and animals worse Textbook 1c Listen again. Complete the table with the causes and effects from the conversations. Cause Effect • harmful chemicals from the waste buried ___________ • harmful chemicals from _________ • pollute the _____ and water • get into the _____ and water and make people sick • harm ________________ soil food plants and animals farming underground Tapescript Conversation 1 Alice: Hi, Sam! What did you write about in your report for the World Environment Day? Sam: Hi, Alice! I wrote about air pollution because I’m really worried about it. Sometimes it’so smoggy that I can hardly see across the street! Alice: Air pollution is really bad for our health too. Sam: Yes! It also harms plants and animals and makes global warming even worse. Tapescript Conversation 1 Alice: 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. Alice: Any solutions? Sam: That’s the big question, isn’t it? Tapescript Conversation 2 Alice: How about you, Bill? What was your report about? Bill: I wrote about land pollution. Every day, so much waste from people’s homes and industries gets buried underground. Such harmful chemicals from the waste pollute the soil and water. Alice: Not just that! There are also harmful chemicals from farming. Tapescript Conversation 2 Bill: Yes, and they get to the food we eat and the water we drink. It makes people sick and harms plants and animals. Alice: What do you think we can do about it? Bill: I think we may get some ideas during our school trip to the waste disposal centre! Textbook 1d Talk about the kind of pollution you worry about. A: I’m really worried about ... B: Why? A: Because... Language points 1 状语从句（Adverbial clause) 一、时间状语从句（when/while/as/before/after/since/until/as soon as） 1. when：当…时（瞬间/延续动词都行） 2. while：当…时，从句多用进行时 3. before 在…之前；after 在…之后 4. since 自从，主句现在完成时 5. until 直到…；not…until 直到…才 6. as soon as 一…就，主将从现 Language points 1 二、条件状语从句（if/unless） 1. if 如果 2. unless = if…not 除非 规则：主将从现 三、原因状语从句（because/since/as） 1. because 因为（回答why） 2. since/as 既然，由于 四、让步状语从句（though/although） 表示虽然，尽管 注意：though/although不能和but连用 Language points 练 一、用正确的状语从句连词填空。 1. ________ the trip was tiring, we still enjoyed the beautiful scenery along the way. 2. I will call you ________ I arrive at the railway station tomorrow morning. 3. You will fail the exam ________ you keep practicing every day. Although as soon as unless Textbook 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 A B D C F E Textbook 2a Put the waste items into the correct waste bins. What else could go in each bin? Brainstorm a list. G H I J K L G H J I K L Textbook 2b Listen to the conversation. Circle T for ture or F for false. 1. The students are watching a video about a waste disposal centre. 2. Most of the rubbish in the centre comes from businesses. 3. The rubbish in the centre is organized into different groups first. 4. There are three ways to treat rubbish in the centre. 5. The best way to protect the environment is to recycle waste. T F T F T F T F T F Textbook 2c Listen again and complete the chart. Then retell how different kinds of rubbish are dealt with in the centre. rubbish from homes, schools, ________, and businesses Waste disposal centre paper, glass, metal, and ____________ _______ waste and wood _______ waste hospitals plastic bottles medical food Textbook 2c Listen again and complete the chart. Then retell how different kinds of rubbish are dealt with in the centre. Waste disposal centre paper, glass, metal, and _______ waste and wood _____ waste used to make new________ burnt and processed to provide _______ added to _____ to help plants grow products energe soil medical food Tapescript 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. Alice: 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. Tapescript Alice: 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. Bill: What about the things that can’t be recycled? Tapescript 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. Textbook 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 ... Summary New words reuse, recycle, pollution, chemical, smog, global, pollute, disposal Expressions global warming Sentences ① I wrote about air pollution because I’m really worried about it. ② Wow, I never realized that there are so many kinds of rubbish! null 44773.535 null 39993.375 null 78367.18 $ Unit 4 Reduce, Reuse, Recycle Section B（1a-1e） · 学习目标 · 新课导入 · 内容讲解 · 课堂总结 Learning goals 1. New words: guardian, smelly, ban, riverbank, steady, income, clean-up, generation 2. Sentences: ① As a result, the number of fish and plants in the river was dropping quickly. ② Back then, parts of the river were smelly and yellow because of the waste from factories, restaurants, and homes. Lead-in What happened to the Yangtze river? overfishing water pollution New words guardian /ˈɡɑːdiən/ n. 保护者；守卫者 smelly /ˈsmeli/ adj. 有难闻气味的；有臭味的 ban /bæn/ v. 明令禁止；禁止做某事 riverbank /ˈrɪvəbæŋk/ n. 河岸；河堤 steady /ˈstedi/ adj. 稳定的；持续的 income /ˈɪnkʌm/ n. 收入；收益 clean-up /ˈkliːn ʌp/ n. 清扫；清除 generation /ˌdʒenəˈreɪʃn/ n. 一代人；同辈人 guardian /ˈɡɑːdiən/ n. 保护者；守卫者 smelly /ˈsmeli/ adj. 有难闻气味的；有臭味的 ban /bæn/ v. 明令禁止；禁止做某事 riverbank /ˈrɪvəbæŋk/ n. 河岸；河堤 steady /ˈstedi/ adj. 稳定的；持续的 income /ˈɪnkʌm/ n. 收入；收益 clean-up /ˈkliːn ʌp/ n. 清扫；清除 generation /ˌdʒenəˈreɪʃn/ n. 一代人；同辈人 Textbook 1a Discuss the questions to share what you know about water pollution. 1. What are the causes of water pollution? 2. How does water pollution affect people’s lives? Textbook 1b Read the text. Where might you find it? The Yangtze River and Its Guardians Every morning, 53-year-old Chen Ming walks 15 kilometres along the Yangtze River. As he does so, he often stops to talk to the people picnicking beside the water or to watch the birds catch fish in the river’s clear water. While one might think that he is just out for exercise, he is actually working. Mr Chen is a “Guardian of the River”. His job is to walk along the river and make sure that no one is fishing in it or polluting it. Textbook 1b Read the text. Where might you find it? Mr Chen was not a “Guardian of the River” before. He grew up on the banks of the Yangtze River and used to be a fisherman, like his father. Back then, parts of the river were smelly and yellow because of the waste from factories, restaurants, and homes. Fishermen were also catching too many fish. As a result, the number of fish and plants in the river was dropping quickly. Textbook 1b Read the text. Where might you find it? The government took action to deal with the problem before it was too late. New wastewater disposal centres were built to clean the wastewater before it went into the river. Laws were made to stop new factories from being built near the river. Boats were sent out to clean up the rubbish. Finally, fishing was banned in the Yangtze River for 10 years from 2020. Mr Chen and other fishermen were given new jobs as guardians to protect the river. Textbook 1b Read the text. Where might you find it? At first, Mr Chen was not used to working on the riverbank. Now he feels happy because he has a good job and a steady income. He is also glad to see that the Yangtze River has returned to what it used to be like when he was a child, with a lot of fish swimming in the clear water and beautiful birds enjoying their life on the bank. He is proud of his job. “Look there! That’s my wife,” Mr Chen said to the reporter. “She has joined a river clean-up team, and we work together to protect our mother river. We must protect it for our future generations.” Textbook 1b Read the text. Where might you find it? A. In a newspaper. B. In an advertisement. C. In a novel. Identifying causes and effects Writers often use certain words and phrases, such as because, because of, as a result, so, etc. to signal causes and effects? Language points 1 ban 1. 含义：禁止；明令取缔 2. 常用结构 • ban sb. from (doing) sth. 表示“禁止某人做某事”，九年级最常考！ He was banned from driving for drunk driving. 他因酒驾被禁止开车。 • ban sth. 表示“禁止某物/某事” There banned single-use plastic bags. 这里禁止使用一次性塑料袋。 Language points 练 一、填空 1. The teacher banned the boy from ______ (talk) in class. 2. He was banned ______ driving because he broke the traffic rules. talking from Textbook 1c Read again and answer the questions. 1. What does Chen Ming do every morning? 2. What is his present job? 3. What did he use to do for a living? 4. What does his wife do now? 5. Why is he proud of his job now? Textbook 1c Read again and answer the questions. 1. He walks 15 kilometres along the Yangtze River. 2. It is to walk along the river and make sure that no one is doing commercial fishing or polluting it. 3. He used to be a fisherman. Textbook 1c Read again and answer the questions. 4. She has joined a river clean-up team and they work together to prodect their mother river. 5. Because he is glad to see that the Yangtze River has turned to what it used to be like when he was a child. Textbook 1d Complete the mind map with the information from the text. Problem Solution Cause: ... Measure: ... Effect: ... Result: ... Textbook 1d Complete the mind map with the information from the text. Cause: • parts of the river were smelly and yellow because of the waste from factories, restaurants, and homes • Fishermen were also catching too many fish Result: • As a result, the number of fish and plants in the river was dropping quickly Textbook 1d Complete the mind map with the information from the text. ️ Solution • New wastewater disposal centres were built to clean the wastewater before it went into the river • Laws were made to stop new factories from being built near the river • Boats were sent out to clean up the rubbish • fishing was banned in the Yangtze River for 10 years from 2020 • Mr Chen and other fishermen were given new jobs as guardians to protect the river Textbook 1d Complete the mind map with the information from the text. Result • the Yangtze River has returned to what it used to be like when he was a child, with a lot of fish swimming in the clear water and beautiful birds enjoying their life on the bank What can you do? ________________________________________. What can the community do? _______________________________. What can the government do? __________________________________. Textbook 1e Think of some other solutions to water pollution. Don’t litter into rivers./Save water in daily life. Organize river clean-up activities. Make strict laws against water pollution. Summary New words guardian, smelly, ban, riverbank, steady, income, clean-up, generation Sentences ① As a result, the number of fish and plants in the river was dropping quickly. ② Back then, parts of the river were smelly and yellow because of the waste from factories, restaurants, and homes. $ Unit 4 Reduce, Reuse, Recycle Section B（2a-3c） · 学习目标 · 新课导入 · 内容讲解 · 课堂总结 Learning goals 1. New words: protection, tyre, bury, landfill, outdoor, bin 2. Expressions: leave behind, come up with, wash up 3. Sentences: ① The beach is no longer a nice place to spend time at because it is covered in waste. Broken glass stops us from walking on the soft sand. ② Also, we need to set up more rubbish bins and make sure that people cooperate by throwing their litter in the bins before they leave. Lead-in How’s your city beach? Is it polluted? What can we do to clean it up? school teams: pick up rubbish on the beach...... city government: set up more rubbish bins...... New words protection /prəˈtekʃn/ n. 保护；保护物 tyre /ˈtaɪə(r)/ (= tire) n. 轮胎 bury /ˈberi/ v. 覆盖；埋葬 landfill /ˈlændfɪl/ n. 垃圾填埋池（或场）； 垃圾填埋 outdoor /ˈaʊtdɔː(r)/ adj. 户外的；室外的 bin /bɪn/ n. 垃圾箱；（有盖）大容器 protection /prəˈtekʃn/ n. 保护；保护物 tyre /ˈtaɪə(r)/ (= tire) n. 轮胎 bury /ˈberi/ v. 覆盖；埋葬 landfill /ˈlændfɪl/ n. 垃圾填埋池（或场）；垃圾填埋 outdoor /ˈaʊtdɔː(r)/ adj. 户外的；室外的 bin /bɪn/ n. 垃圾箱；（有盖）大容器 Textbook 2a Complete the chart with the words about environmental protection. Environment Problem Solution Air pollution: Water pollution: Textbook 2a Complete the chart with the words about environmental protection. Air pollution: smoggy, water gases, power plant Solutions: use public transportation, plant trees Water pollution: wastewater, disposal centre, clean-up Solutions: treat wastewater before discharge(排放) Land pollution: harmful chemical, get buried Solutions: reduce single-use plastic, reuse plastic bags Textbook 2b Match the words in the two boxes to make phrases. Then complete the sentences with the correct forms of the phrases. 1. Steve ____________ the new environment quickly. 2. Jane __________ headaches recently because of noise pollution. 3. At weekends, a volunteer group from our community __________ the riverbank to pick up the waste. 4. Mark knows a good way to __________ light pollution. 5. I am __________ what you have achieved in school’s 3R club. walk proud deal get used suffer with from along of to gets/got used to suffered from walks along deal with proud of Textbook 2c Complete the passage with the correct forms of the words in the box. Do you have other creative ideas to reuse things in your daily life? Write them down. product material solution reduce reuse Tyres can only be used for a certain period of time. After that, most are buried underground. It is very difficult to _______ the number of tyres being sent to landfills. Each year, millions of used tyres are thrown away. Though a lot of these tyres are recycled to make new _______, there are still many left unused. For this reason, many people are coming up with reduce products Textbook 2c Complete the passage with the correct forms of the words in the box. Do you have other creative ideas to reuse things in your daily life? Write them down. creative _______ to the problem. For example, people make playgrounds for children with used tyres. And why not? They are the perfect _______ for an outdoor playground. They are strong and cannot easily be damadged by the weather. Most importantly, it is great for the environment to ______old tyres. product material solution reduce reuse solutions materials reuse Textbook 2c Complete the passage with the correct forms of the words in the box. Do you have other creative ideas to reuse things in your daily life? Write them down. 1. Old glass bottles can be reused as flower vases or pencil holders. 2. Old T-shirts can be cut up and used as cleaning rags. 3. Used cardboard boxes can be turned into storage boxes for toys or books. 4. Empty plastic bottles can be made into small planters for growing herbs. 5. Old magazines can be recycled to make paper crafts or handmade bookmarks. Language points 1 leave behind 1. 表示“留下/遗忘某物” Don’t leave behind your books 离开教室时别忘了带你的书。 2. 表示“遗留（问题/影响）” The war left behind many serious problems. 这场战争留下了很多严重的问题。 3. 表示“把……抛在后面；超过” She soon left behind the other runners in the race. 比赛中她很快就超过了其他选手。 Language points 2 come up with 1. 表示“想出主意/办法” We need to come up with a good way to solve the problem. 我们需要想出一个解决这个问题的好办法。 2. 表示“提出计划/方案” He came up with a new plan for the environmental activity. 他为这次环保活动提出了一个新计划。 Language points 练 一、翻译句子。 1.离开公园时，不要留下任何垃圾。 Don’t leave any rubbish behind when you leave the park. 2. We must come up with a better way to protect the environment. 我们必须想出一个更好的方法来保护环境。 Textbook 3a Read a post from an environmental protection website. Then put the topics in the order that they are mentioned. 3:07 PM 15/04 HOME ABOUT POSTS CONTACT We are deeply worried about the poor condition of our city’s beach. The beach is no longer a nice place to spend time at because it is covered in waste. Broken glass stops us from walking on the soft sand. Birds and sea animals sometimes get trapped by plastic bags, or even worse, eat them as food. Part of the rubbish is washed up onto the beach by the sea. However, most of the litter is left by people who go there to enjoy themselves. Textbook 3a Read a post from an environmental protection website. Then put the topics in the order that they are mentioned. We need to take action before the problem gets worse. Teams from our school pick up rubbish on the beach every Saturday, but that is not enough. We hope that the city government will encourage more people to join our teams. Also, we need to set up more rubbish bins and make sure that people cooperate by throwing their litter in the bins before they leave. People should also try to bring their own bottles and bags so that there is less rubbish. I believe that we can solve this problem if we work together. Textbook 3a Read a post from an environmental protection website. Then put the topics in the order that they are mentioned. _____ A. Description of the problem _____ B. What the school teams are doing about the problem _____ C. Actions the city and people should take _____ D. Harmful effects of the problem _____ E. Causes of the problem 1 4 5 3 2 Textbook 3b What environmental problem do you worry about the most? Take notes about its causes and effects as well as some possible solutions. Problem: ____________________ Cause Effect Solution light pollution Overuse of outdoor lights in cities and homes. It causes eye problems and disturbs animals’sleeping. Use dimmer, downward-facing lights for streets and homes. Textbook 3c Write a post for the website about the problem using the topic order in 3a and your notes above. Light Pollution: A Hidden Threat to Our Nights • We are deeply worried about the growing problem of light pollution in our city. As more bright streetlights, ...... • Part of the light pollution comes from poorly designed lights that shine upward into the sky. ...... • Light pollution brings many harmful effects. ...... • Some school environmental clubs are trying to do something about it...... Textbook 4a How do you practise the three Rs? Make a list. Then work in groups. Collect all the ideas and choose the best 10 ways. Reduce: _________________________________________ _________________________________________ Reuse: __________________________________________ _________________________________________ Recycle: ________________________________________ _________________________________________ travel green, use reusable water bottles, bring cloth bags for shopping, buy products with less package use both sides of a piece of paper, reuse old plastic containers as plant pots, give used clothes to others send old batteries and electronics to special recycling centers, buy products made from recycled materials Textbook 4b Work in groups. Collect all the ideas and choose the best 10 ways. Reduce: ① use reusable water bottles, ② bring cloth bags for shopping, ③ travel green ... Reuse: ① give used clothes to others ② reuse old plastic containers as plant pots ③ use both sides of a piece of paper ... Textbook 4c Make a leaflet as a group to share your creative ideas on the three Rs. Reduce Reuse Recycle __________ ____________ ____________ __________ ____________ ____________ __________ ____________ ____________ __________ ____________ ____________ Textbook 4d Present your leaflet in class and hand it out to other students at school. Show Time Textbook Reflecting 1. What kinds of pollution have you learnt about in this unit? 2. What should people do to solve environmental problems? 3. How can you inform people of the causes and effects of pollution? 4. Why do you think it is important to protect our environment? We have only one Earth. Summary New words protection, tyre, bury, landfill, outdoor, bin Sentences ① The beach is no longer a nice place to spend time at because it is covered in waste. Broken glass stops us from walking on the soft sand. ② Also, we need to set up more rubbish bins and make sure that people cooperate by throwing their litter in the bins before they leave. Expressions leave behind, come up with, wash up $ Unit 4 Reduce, Reuse, Recycle Section A（3a-3d） · 学习目标 · 新课导入 · 内容讲解 · 课堂总结 Learning goals 1. New words: package 2. Sentences: ①What ways to deal with rubbish does Dr Wu introduce? ② Have you heard of the three Rs: reduce, reuse, and recycle? Lead-in What are the three Rs? New words package /ˈpækɪdʒ/ v. 把...包装好 n. 包裹；包装好的东西 Textbook 3a Read the interview. What ways to deal with rubbish does Dr Wu introduce? Host: The problem of rubbish is becoming more and more serious nowadays. Dr Wu, what can we do about it? Dr Wu: Have you heard of the three Rs: reduce, reuse, and recycle? Host: Recycle! Everyone knows about that! We can recycle materials like glass, paper, plastic, and metal. Dr Wu: Yes, but while recycling is good, not everything can be recycled. The first thing we need to do is reduce our waste. Textbook 3a Read the interview. What ways to deal with rubbish does Dr Wu introduce? Host: Could you tell us what we should do? Dr Wu: Well, you can buy products with less packaging. Also, buy only the food you need to reduce food waste. Host: And please tell us about the last “R”. Dr Wu: Sure. Reuse means using things again and again. Many things we use daily, like glass bottles and plastic bags, can be reused. We can also donate our clothes, books, and toys to people who need them. Host: I think we can solve the problem if everyone follows the three Rs! Buy products with ___________. Glass, paper, ______, and ______ can be recycled Textbook 3b Read again and complete the chart. Three Rs less packaging reduce plastic metal Not __________ can be recycled. everything Buy only the food we _________. recycle need Textbook 3b Read again and complete the chart. Three Rs reduce Buy only the food we need. Buy products with less packaging. reuse Things like __________ and __________ can be reused. __________ clothes, books, and toys. glass bottles plastic bags Donate Language points 1 deal with 1. 核心含义 • 处理；应对（问题、麻烦） We must deal with the pollution problem at once. 我们必须立刻处理污染问题。 • 对待；相处（人） She knows how to deal with difficult classmates. 她懂得如何与难相处的同学打交道。 • 涉及；关于（文章、书籍） This article deals with rubbish recycling. 这篇文章是关于垃圾回收的。 Language points 练 一、翻译句子。 1. 在日常生活中，我们应该学会处理由垃圾带来的环境问题。 We should learn to deal with the environmental problems caused by rubbish in daily life. 2. If you learn how to deal with stress properly, you will live a much happier life. 如果你学会合理地应对压力，你的生活会幸福得多。 Language points 2 hear of 1. 含义：听说；得知（间接听说，未亲眼见过） • hear of + 名词/代词：听说过某人/某事 I have heard of this environmental project. 我听说过这个环保项目。 • hear + 句子：听到（具体话语、事情全过程） I heard that he passed the exam. 我听说他通过了考试。 • hear of doing sth 听说做某事 He heard of traveling alone abroad. 他听说过独自出国旅行。 Language points 练 一. 填空 1. Many students have heard of ______ (take) part in volunteer work during summer vacation. 二. 翻译 2.我以前从未听说过坚持阅读可以帮助人们放松心情。 I had never heard of keeping reading helping people relax before. taking Language points 3 package 1. n. 名词 包裹；整套方案；包装 I received a package yesterday. 我昨天收到了一个包裹。 2. v. 动词 包装；打包 She packages gifts carefully. 她仔细包装礼物。 3. adj. 形容词 成套的 We chose a package trip. 我们选择了成套旅行。 Language points 练 一. 用的正确形式填空 1. She got heavy ________(package) from her cousin last week. 2. The worker ________(package) fresh fruits every morning. 3. They decided to take a _______(package) holiday abroad. packages packages package Language points 4 donate v. 1. donate sth 捐赠某物 He donates books yearly. 他每年捐赠书籍。 2. donate sth to sb/sth 把某物捐给…… She donated money to the old man. 她捐钱给这位老人。 3. donate to +机构 向……捐款 Many people donate to the charity. 许多人向这家慈善机构捐款。 4. donation n. 捐赠物；捐款 This is a big donation. 这是一笔大额捐款。 Language points 练 一. 翻译下列句子。 1. 这位善良的女士经常把自己闲置的衣物捐赠给偏远地区的贫 困孩子。 The kind lady often donates her unused clothes to poor children in remote areas. 2. Every small donation from warm-hearted people can bring hope to those people in trouble. 热心人士的每一笔小额捐赠都能为身处困境的人们带去希望。 Textbook 3c Listen to the conversation. Pay attention to how the host direct the interview. Then role-play the conversation. Show Time Textbook 3d What did you do to reduce, reuse, and recycle rubbish? Talk with a partner and take notes. A: Could you tell us what you did to deal with the problem of rubbish? B: I ... A: Please tell us how you will deal with it in the future. B: Textbook 3d What did you do to reduce, reuse, and recycle rubbish? Talk with a partner and take notes. 1. Bring cloth bags instead of plastic bags. 2. Use water wisely and save electricity. 3. Use old bottles as flower vases. 4. Write on both sides of paper. 5. Sort waste into different bins. 6. Recycle waste paper and cans. ... Summary New words package Sentences ①What ways to deal with rubbish does Dr Wu introduce? ② Have you heard of the three Rs: reduce, reuse, and recycle? $ Unit 4 Reduce, Reuse, Recycle Section A（4a-4d） · 学习目标 · 新课导入 · 内容讲解 · 课堂总结 Learning goals 1. New words: environmental, well-known, disturb, trap, lamp, bother, loss 2. Sentences: ① While land, water, and air pollution are well-known problems, light pollution is a problem that most people are not aware of. ② It can bother people so that they suffer from hearing or memory loss, ... Lead-in What is the light pollution? New words environmental /ɪnˌvaɪrənˈmentl/ adj. 自然环境的； 生态环境的 disturb /dɪˈstɜːb/ v. 打扰；使焦虑 well-known /ˌwel ˈnəʊn/ v. 众所周知的；著名的 trap /træp/ v. 设陷阱捕捉；卡住 n. 陷阱；罗网 lamp /læmp/ n. 台灯 bother /ˈbɒðə(r)/ v. 使（某人）烦恼； 花费时间精力（做某事） loss /lɒs/ n. 丧失；亏损；丢失 environmental /ɪnˌvaɪrənˈmentl/ adj. 自然环境的；生态环境的 well-known /ˌwel ˈnəʊn/ v. 众所周知的；著名的 disturb /dɪˈstɜːb/ v. 打扰；使焦虑 trap /træp/ v. 设陷阱捕捉；卡住 n. 陷阱；罗网 lamp /læmp/ n. 台灯 bother /ˈbɒðə(r)/ v. 使（某人）烦恼；花费时间精力（做某事） loss /lɒs/ n. 丧失；亏损；丢失 Textbook 4a Read the sentences. Label the underlined sentence parts. Write A for adverbial clauses or O for object clauses. 1. I wrote about air pollution because I’m really worried about it. 2. Do you know why air pollution is getting worse nowadays? 3. We organize the rubbish into different groups as soon as it arrives. 4. I never realized that there are so many kinds of rubbish! 5. While recycling is good, not everything can be recycled. A A A O O Textbook 4b Complete the sentences with the connecting words in the box. how why whether unless as soon as 1. I don’t know ________ we should throw away or reuse this plastic bottle. 2. We cannot deal with the environmental problem ______ everyone works together. 3. I wonder ______ harmful chemicals from waste get into human bodies. 4. __________ the smog disappeared, she coughed less and slept better. 5. Can you tell me ______ air pollution and land pollution are harmful? why As soon as unless whether how Textbook 4c Complete the passage with the connecting words in the box. ______ land, water, and air pollution are well-known problems, light pollution is a problem that most people are not aware of. Light pollution is caused by street and building lights. Most people do not realize _____ it can harm their health, causing eye problems or disturbing their sleep. Sometimes, the light on a road is ______ bright ______ it causes traffic accidents. Light pollution harms animals as well. Some insects are attracted to the light. They can die in street lamps ______ they get trapped. if that while so...that While that so that if Language points 1 宾语从句和状语从句的区别 • 宾语从句：放在动词/介词后面，充当宾语（当做名词用） 句型：主语+动词 + that/what/who…从句 I know (that) air pollution is serious. know是动词，后面整句作宾语。 •状语从句：修饰主句，表时间/原因/条件/让步（当做副词用） 连词：while/if/because/so/when/though 位置：句首逗号隔开，或主句后面 If we drive too much, air will be worse. 表条件，修饰主句。 Language points 练 一、用宾语从句和状语从句翻译下列句子。 1. 我们相信保护环境十分重要。 We believe (that) it is very important to protect the environment. 2. 因为工厂排放废气，空气质量越来越差。 Because factories produce waste gas, the air quality is getting worse. Language points 2 bother v./n. 打扰；麻烦 • bother sb. 打扰某人 Don’t bother me. 别打扰我。 • bother to do 费心去做 He doesn’t bother to help. 他懒得帮忙。 • bother doing 费心做（否定居多） Don’t bother waiting. 别等了。 Language points 2 bother v./n. 打扰；麻烦 • It bothers sb. that… 使某人烦恼（宾语从句） It bothers me that pollution is serious. 污染严重让我心烦。 • bother with sth. 为某事费心 Don’t bother with useless things. 不要为无用的事情费心。 Language points 练 一. 填空 1. Don’t bother _______ (wait) for me. I’ ll go home alone. 2. It ______ (bother) her her neighbor makes so much noise every night. 3. He never bothers ______ his homwork, because he finishes them at school. to wait bothers with Language points 3 be aware of 意识到；察觉到；知道 • be aware of + 名词/代词/动名词（of 是介词，后接名词性内容） 结构：主语 + be + aware of + 宾语 We are aware of the danger. 我们意识到了危险。 • be aware + that 从句（去掉of，直接接宾语从句） 结构：主语 + be + aware + that 从句 She is aware that she is late. 她知道自己迟到了。 Language points 练 一. 翻译下列句子。 1. Many people are not aware of the hidden danger around us. 很多人并没有察觉到我们身边潜藏的危险。 2. 我们渐渐意识到拖延会影响日常学习。 We gradually become aware that putting off things will affect our daily study. Textbook 4d Introduce a kind of pollution. Use connecting words to link your sentences. Noise pollution is caused by busy streets or machines. It can bother people so that they suffer from hearing or memory loss, ... Textbook 4d Introduce a kind of pollution. Use connecting words to link your sentences. While many people focus on air pollution, water pollution is getting worse day by day. Factories pour dirty water into rivers, so lots of water gets polluted. Most people don’t realize that polluted water is so dangerous that it kills water animals. Therefore, we should protect clean water in our daily life. Textbook 4d Introduce a kind of pollution. Use connecting words to link your sentences. While we pay much attention to water pollution, air pollution troubles us greatly. Cars produce waste gas, so fresh air is less and less. If we cut down too many trees, air pollution will get heavier. Therefore, everyone should take action to keep air clean. Summary New words environmental, well-known, disturb, trap, lamp, bother, loss Sentences ① While land, water, and air pollution are well- known problems, light pollution is a problem that most people are not aware of. ② It can bother people so that they suffer from hearing or memory loss, ... $