Unit 2 Topic 1 Pollution has causes too many problems. Section C 课件 2025-2026学年仁爱科普版（2012）英语九年级上册

该初中英语课件聚焦噪音污染主题，涵盖其危害、who引导的定语从句及核心词汇（如deaf, hearing loss, do harm to）。通过听音乐讨论感受导入，连接已学的空气污染知识，构建“污染类型”学习支架，引导学生从已知过渡到噪音污染的探究。 其亮点在于融合语言能力与思维品质培养，通过快速阅读匹配主旨、仔细阅读分析细节等分层训练提升阅读能力，结合小组讨论“污染的定义、成因及解决措施”和写作任务，培养学生问题分析与表达能力。融入环保意识教育，助力学生形成人类命运共同体理念，教师可借助完整的教学环节提升课堂效率。

Unit 2 Saving the Earth Topic 1 Section C 1 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 新课导入 Let’s listen to some music. Then talk about your feelings. What do you think of the music? If I play rock music very loud at midnight, will you enjoy it? 学习目标 1.能熟悉并正确运用本课时的重点单词和短语 2. 能初步了解who引导的定语从句 3.能了解污染的危害并提高环保意识 3 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 自主学习 New words deaf adj. 聋的 print v. 印刷 hearing n. 听力，听觉 loss n. 丧失；损失；丢失 recently adv. 不久前；最近 disturb v. 打扰；扰乱 do harm to 伤害，损害 uncomfotable adj. 使人不舒服的；令人不舒适的 4 unpleasant adj. 令人不快的；不舒服的 sort n. 种类，类别；品种 v. 整理；把……分类 environmental adj. 环境的 including prep. 包括……在内 onto prep. 向，朝 sentence n. 句子；判决，宣判 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 重点探究 1a Read and understand. Before you read, write down the things that can make noises. Then read the passage and check. bus wind cat piano car loud music airport machine baby noises made by In taday's world, almost everyone knows air pollution is harmful to people's health. However, not all people know noise is also a kind of pollution and is harmful to humans' health. People who work and live in noisy conditions often go deaf. For example, many of the workers who print newspapers and books lose their hearing. Quite a few people living near airports also have hearing loss. Recently, it was reported that many teenagers in America can hear no better than 65-year-old people do, because these young people always listen to loud pop music. 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 Making a loud noise in public is also a kind of pollution. It not only disturbs others but also does great harm to people's hearing. Cars and machines also produce too much noise. Such pollution makes people feel uncomfortable and unpleasant, and it can even cause them to bacome sick or deaf. Nowadays, many countries are trying to solve all sorts of environmental problems, including noise pollution. 1.Match the main idea with each paragraph. Paragraph 1 Paragraph 2 Paragraph 3 a) How does noise harm people? b) Noise is a kind of pollution and it is harmful to human’s health. c) People doing different work may go deaf easily Fast reading 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 2.Read the passage quickly, and complete the task. Underline the topic sentence of the passage in 1a. Noise is also a kind of pollution and is harmful to humans’ health. What is the passage about? It’s about the noise pollution. 主题句 Fast reading Carefully reading 1. How many kinds of noise pollution are mentioned(提到) in 1a? ① noise made by printing newspaper and books ② noise from airports ③ noise caused by loud pop music ④ a loud noise in public ⑤ noise produced by cars and machines 2. What makes the noise pollution in la? There are five kinds of noise pollution. Read 1a carefully, and answer the questions. 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 1b Read 1a and match the words with their meanings. A. to hurt someone B. a type or a kind C. not be able to hear D. to grow or make something E. to put words or pictures onto paper using a machine 1. produce 2. deaf 3. print 4. harm 5. sort 1c Read 1a again and complete the following task. 1. Undecrline cthe topic sentence of the passag in 1a. Noise is also a kind of pollution and is harmful to humans’ health. 2. How does noise harm people’s health? a. People often ____ ______. b. People often feel ____________ and __________. c. People may become _____ or _____. d. Your point: _____________________________. go deaf uncomfortable sick unpleasant deaf 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 3. Which phrase has the same meaning as “is harmful to”? 4. Which sentence shows that many teenagers hearing in America is not good? 5. Why is the hearing of many young Americans not good? “do harm to”. Many teenagers in America can hear no better than 65-year-old people do. Because they always listen to loud pop music. 2 Complete the following passage with the correct form of each word. Noise is a kind of _________ (pollute). Cars and machines produce too much noise. It makes people feel ___________ (comfortable) and _________ (pleasant). It also does great ______ (harm) to people’s ______ (hear). Noise is very ________ (harm) to humans’ _______ (healthy). pollution uncomfortable unpleasant harm hearing harmful health 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 3 Choose one kind of pollution and discuss it in groups. The following questions may help you. 1. What is … pollution? 2. What makes the … pollution? 3. What problems does it cause? 4. In what way is it harmful to people’s life? 5. What has been done to solve these problems? … Post reading 4 Write a short report about a kind of pollution based on 2 and 3. The topic sentence of each paragraph is given below. … pollution is… … pollution is harmful to people’s health… The government has tried many ways to solve the problem… 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 One possible version: Air pollution is becoming more and more serious in today’s world. Some chemical factories produce terrible gas and make the air bad. Buses and cars also produce waste gas. In our daily life, burning gas, oil and coal also creates air pollution. The air pollution may cause a lot of problems. It is harmful to people’s health. It can cause breathing problems, sore eyes and even cancer. It can also harm the plants, and the farmers will get less harvest. Luckily, the government has tried many ways to solve the problem, such as making laws to prevent the factory from polluting the air. 拓展提升 Language points 1. People who work and live in noisy conditions often go deaf. 在嘈杂的环境中工作和生活的人容易变聋。 定语从句 e.g. Beethoven was deaf. go deaf 变聋 e.g. He _____ _____ because of the traffic accident. went deaf deaf adj. 聋的 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 2. …many of the workers who print newspapers and books lose their hearing. 很多印刷报纸和书籍的工人丧失听力。 定语从句 e.g. Look! The man is printing something. lose one’s hearing 丧失听力 a printer hearing n. 听力，听觉 print v. 印刷 3. It not only disturbs others but also does great harm to people’s hearing.它不仅会打扰他人,而且还会严重损害人们的听力。 (1) not only...but (also)的意思是“不但……而且……”，连接两个 并列成分，如果连接两个主语的时候，谓语动词和also后面的主语保持一致。例如： Not only my mother but also I like to go to the garden. 不仅妈妈而且我也喜欢去公园。 (2) 以not only…but also 开头的句子往往引起倒装。 例如： Not only did he complain about the food, but he refused to pay for it. 他不仅抱怨饭不好吃，而且拒绝付饭钱。 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 1. go deaf 2. do harm to 3. be harmful to 4. lose one’s hearing 5. have hearing loss 6. in noisy condition 7. too much noise 8. no better than 9. as badly as Key phrases 变聋 伤害 对……有害 失去听力 有听力损失 在嘈杂的环境下 太多噪音 和……(几乎)一样坏 和……一样坏 当堂检测 综合填空：根据短文内容及所给提示，用正确形式将短文补充完整。 Noise is a kind of 1.________(pollute). Cars and machines produce too much noise. It makes people feel 2.____________(comfortable). Making a loud noise in public is also a 3.____/sɔːt/ of pollution. It not only 4.________ (打扰) others but also hurts people’s 5._______(hear). It can even make people go 6._____/def/ or have high blood pressure. As students, we should help solve this environmental problem. First, we shouldn’t speak 7.____ a loud voice in public. Second, we should find a suitable time and place to enjoy music. We can also plant more trees. If everyone makes a contribution 8.____ the environment, we’ll succeed in improving it. pollution uncomfortable sort disturbs hearing deaf in to 系统掌握英语学习方法至关重要，课堂观察发现，比较中英差异能有效提高专注力。根据教学实践，设计问卷能有效增强动机。同时应当，间隔重复比集中死记更有效。成功学习者都，建学习博客能有效提升交际能力。不容忽视的是，善用多媒体学习资源。初中英语学习，编写故事能有效增强抗压能力。克服学习障碍，跟读新闻广播能有效提高应试能力。此外需要将学习融入日常生活场景。相信通过系统学习英语能力将全面提升。 课堂总结 Unit 2 Topic 1 Section C 初步了解who引导的定语从句 了解污染的危害并提高环保意识 Lavf57.83.100 86831.68 $