Unit 2 课时1 Listening & Speaking（教学课件）英语新教材仁爱科普版九年级上册

该初中英语课件围绕“绿色星球，美好家园”主题，聚焦五种污染类型词汇及现在完成时、一般过去时的运用。以“绿色侦探局”情景导入，通过案件导入、嫌犯识别、证人取证等环节，从地球现状调查到污染词汇学习，再到听力理解与口语交流，构建连贯的学习支架。 其亮点在于融合语言能力与思维品质培养，采用“侦探推理”模式，如通过图片识别污染词汇、动物独白听力材料分析环境变化，结合语法讲解助力准确表达。融入文化意识，强调低碳生活与环保责任，分层作业设计满足不同需求。学生能提升听说能力与环保意识，教师可高效开展情境化教学。

Unit 2 Greener Planet, Better Home Listening & Speaking “绿色侦探局”行动指南 主讲人：XXX • 课型：听说课 学习目标 01 能够听懂并说出五种污染类型的词汇， 掌握它们的发音和中文含义。 学习理解 02 能够听懂关于动物生活变化的口语独白， 并准确完成听力填空。 应用实践 03 能够根据事实，运用现在完成时和一般过 去时，与同伴交流环境的变化。 迁移创新 目录 CONTENTS 01 案件导入（Lead in） 05 线索梳理（Language points） 02 嫌犯识别（Pre-listening） 06 结案总结（Summary） 03 证人取证（While-listening） 07 实战演练（Exercises） 04 推理定案（Post-listening） 08 深入调查（Homework） 01 Lead in Lead in 情景导入 侦探提示： 局长派发任务! 请根据大问题 "How can you be a green person?" 展开调查。 地球“发烧”了, 我们的家题正在经历什么？ 调查任务卡 我们的目标：了解地球现状 → 分析问题原因 → 寻找绿色行动 → 成为绿色行动者! 02 Pre-listening Activity 1A 讲解：嫌犯识别 观察下列图片，认识与环境污染相关的词汇。 light pollution /laɪt pə'luːʃən/ 光污染 air pollution /eə pə'lu:fən/ 空气污染 soil pollution /sɔɪl pə'lu:fən/ 土壤污染 noise pollution /nɔɪz pə'luːʃən/ 噪声污染 water pollution /'wɔ:tə pə'lu:fən/ n. 水污染 找出这些 环境问题的 “嫌犯”吧! Activity 1B Understanding the meanings Read the following sentences and complete the blanks with the correct forms. 1 土壤污染（soil pollution）正在威胁全球粮食安全。 2 城市加强治理，空气污染（ air pollution ）退散，蓝天重现。 3 噪声污染（noise pollution）不仅伤了听力，还害苦了海洋里的鲸鱼。 4 光污染（ light pollution ）威胁人类健康，侦探呼吁恢复夜空。 5 水污染（water pollution）正在让许多人患病，将健康置于险境。 推理分析：这些污染是谁造成的？-- 是人类。 Activity 1C 侦探对话：人类报案 阅读并听下面的对话，了解人类报案的内容。 语法解析 has made（现在完成时） 侦探A： 表示过去发生的动作对现在造成的影响或结果。 You look serious. What has happened? 例： Unsafe water has made many people sick. 侦探A: What does it say? 侦探B: I've read an article about water pollution. 侦探B： Unsafe water has made many people sick in the past few years and water pollution is putting our health at risk. is putting（现在进行时） 表示现在正在进行的动作，常带有“当下影响”。 例：Water pollution is putting our health at risk. 互动演练 将对话中的“water pollution”替换为下面选项，进行续习。 air pollution noise pollution 思考：污染还会影响哪些动物？ 让我们听听动物们的证词吧！ 学会从对话中获取关键信息，关注时态变化，准确表达影响与风险！ 03 While-listening Activity 2 The Giraffe I like eating leaves on tall trees. There used to be few trees and I was always hungry. Now, I have enough leaves to eat because people have planted trees everywhere. 案件进展：人类已经开始行动（种树）， 长颈鹿的生存环境正在好转。 11 Activity 2 The Eagle Several years ago, I couldn't find trees to live in. But recently, people have stopped cutting down trees and I can find a good place to live in and start a family. 案件进展 人类砍伐的罪恶之手 正在收回，老鹰重新 找到了家。 Protect Trees Protect Homes Activity 2 In the past, water pollution was a big problem. In recent years, I have seen people's efforts to make the sea clean again. 案件进展：人类对海洋犯下的错误正在被修正，环境在改变。 04 Post-listening Activity 3 Discuss and conclude Use the clues. Talk about the changes. 解密时刻 因为人们采取了 环保行动 （减少排放、 植树），环境才 发生了逆转。 Small actions, big changes. Our planet, our responsibility. 15 05 Language points 第17页 词汇精讲 ★ 词 pollution 音标 /pəˈluːʃn/ 词性 释义 污染 例 1 Air pollution is a big problem in many cities. 例 2 People have taken action to stop water pollution. 练 There are many kinds of (pollute) in the world. pollution 第18页 语法精讲，紧扣案情 一般过去时 去年 现在 People planted trees last year. 现在完成时 People have planted trees, so the hill is green now. 时间标志调 Recently / In recent years (配现在完成时) … ago（配一般过去时） 记住： 一般过去时 → 过去发生的动作；现在完成时 → 过去的动作对现在造成的影响。 06 Summary 第20页 结案总结 最终宣判： 污染嫌犯： 5种污染类型 1. 空气污染 工厂废气、汽车尾气等 排放有害气体 2.水污染 工业废水、生活污水等 排入河流湖海 3. 土壤污染 垃圾堆积、农药残留等 破坏土壤环境 4 . 噪音污染 交通噪音、建筑施工等 影响生活质量 5. 固体废弃物污染 塑料垃圾、废弃物等 占用土地污染环境 作案手法： 破坏环境，危害健康 破坏生态平衡，导致生物多样性减少 污染空气、水源和土壤，影响人类生存 引发疾病，危害人类身体健康 加剧气候变化，造成自然灾害频发 逆转关键： Recently, people have done… 推广清洁能源，减少污染排放 垃圾分类回收，减少环境负担 植树造棒，保护生态环境 绿色出行，节能减排 提高环保意识，积极参与环保行动 低碳生活 (Low-carbon living) 从我做起！ 保护环境，人人有贵 低碳生活，从点滴做起 共建美雨家团！ 07 Exercises 22 练习一：语法单选 ( B ) 1. - Sorry, my father to Shanghai. He went there this morning. goes has gone have been go ( C ) 2. Though he the book three times, he hopes to read it again. read reads has read would read ( B ) 3. In recent years, the city great efforts to fight against air pollution. did has done does is doing ( B ) 4. Our school life a lot since 2021. changed has changed changes will change 第23页 练习二：语篇填空 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 What is pollution? Dirty air, waste water, litter and other dirty things are all pollution. Scientists have found the chemicals (化学物质) in the bodies of polar bears (北极熊) and seals (海豹). Pollution has killed many animals and made others sick (sick). Buying green products is a small step that everyone can take to protect the environment. The materials of a product are usually our first attention (attend). Green products are made of natural materials, so they are good for our health. The greenest thing is certainly the one we don't buy. Things like food and clothing are necessary, but many others are not. Choosing (choose) to leave an unnecessary product in the store keeps money in our pockets, reduces waste and keeps the planet healthy. 第24页 练习三：完形填空 阅读下面短文，掌握其大意，从每小题所给的A、B、C三个选项中选出最佳选项。 (2025年湖南中考真题改编) good nervous pick up helpful bored look after harmful happy throw away My name is Daniel. I live in Tennessee. When I was 7, I found some plastic bottles on a riverbank. I felt worried because I knew plastic bottles and other rubbish could be ____ (1) to the environment. The Tennessee River is badly polluted. Doing cleanups makes me really ____ (2). Last year, I set up the Cleanup Kids with my friends to call on kids all around the world to ____ (3) rubbish. We're never too young to change the world. Kids are a small part of the population, but we are 100% of the future. ① 1 2 3 练习四：阅读理解 阅读短文，回答问题。 (2025年江苏南通中考真题改编) A report shows that each year we produce about 150 million tons of city waste in China. Waste pollutes the environment, harms people's health and causes animals to die. China is getting really serious about waste now. From January 2018, China started to stop 24 kinds of waste coming into our country. More laws and rules about dealing with waste have been made. Anyone who breaks the law will be punished. Cities like Shanghai, Chongqing and Beijing have their own sorting (分类) systems. More and more people are forming the habit of separating their waste. 可回收物 厨余垃圾 有磨坑粮 其他垃圾 1 When did China start to stop 24 kinds of waste coming into our country? From January 2018. 2 What are cities like Shanghai and Beijing doing to deal with waste? They have their own sorting systems. 08 Homework 第27页 （分层作业） 基础层（必做）：巩固与落实 提升层（选做）：应用与实践 挑战层（选做）：迁移与创新 任务： 熟读并背诵本课核心词汇 （5种污染类型）及重点句型 (...…ago… / Recently, …) have/has done…)。 任务： 用英语写一段话（不少于5句话）， 描述你家附近近几年环境的变化。 任务： 模仿教材Activity 3，以小组为单位 录制一段关于“环境变化”的对话 视频（不少于1分钟）。 要求： 给家长或同桌朗读教材 Activity 2的三段听力原文。 要求： 必须准确使用“…ago…”和 "Recently, … have/has…" 句型。 要求： 对话中需包含因果分析。 27 感 谢 观 看 null 2026-06-01 11:12 31321.064 null 30537.373 null 18990.986 null 21655.537 $Activity one, see, pair, work, listen and repeat, and then replace the parts and bolt and practice with your partner. You look serious. What has happened? I've read an article about water pollution. What does IT say? Unsafe water has made many people sick in the past few years, and water pollution is putting our health at risk. Three, I am very clever and I live in the sea. In the past, water pollution was a big problem. In recent years, I have seen people's efforts to make the sea clean again. Activity to listen to the monologues and complete the sentences. One, I have a long neck, and i'm the tallest animal in the world. I like eating leaves on tall trees. There used to be fewer trees, and I was always hungry. Now I have enough leaves to eat because people have planted trees everywhere. Two, I can fly in the sky like a kite and bring you good luck. Several years ago, I couldn't find trees to live in, but recently people have stopped cutting down trees, and I can find a good place to live in and start a family.