Unit 2Topic 1 Section A 课件2025-2026学年仁爱科普版（2012）英语九年级上册

该初中英语课件围绕“污染与环境变化”主题，涵盖相关词汇（如bee, waste）、核心句型（There be doing, see sb doing）及一般过去时与现在完成时的区分。通过西山过去脏乱与现在美丽的图片对比导入，以问题链引导观察，用表格梳理“Two years ago vs Now”搭建知识支架，衔接旧知与新知。 其亮点是以“野餐计划”情境串联教学，通过对话、听力及创编任务（如小组编环境变化对话）培养语言能力，结合污染原因分析提升思维品质，分层练习（填空、选择、对话）与学习方法建议发展学习能力。总结清晰梳理重点，学生能提升综合语言运用能力，教师可直接使用结构化素材提高教学效率。

Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems. Section A 1 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 Teaching Aims Learn some new words and phrases. Get to know: bee, butterfly, pour, villager, destroy Be able to use: mess, shame, several, waste, cut down Be able to use some useful expressions. What a shame! … you can see bees and butterflies dancing. There were several chemical factories pouring waste water into the stream. Talk about the changes caused by pollution. Make sure that you have mastered the differences between Simple Past and Present Perfect tense. A: Where have you been/traveled? B: I have been/traveled to ... 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 How do you spend your weekends ? watch TV play games sleep all day 4 Kangkang, Jane, Maria and Michael are planning for Sunday. have a picnic Where? They will go to the West Hill. 5 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 What can you see in the picture? The flowers and grass have gone! The water is so dirty. several chemical factories pouring waste water into the stream Is the West Hill beautiful ? What has happened there? Is the West Hill beautiful ? What has happened there? 6 What can you see there? We can see bees and butterflies dancing. bee butterfly Is it beautiful now? 7 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 ____beautiful ____ butterflies ____ grass ____ factory ____ bees ____ fresh ____ clean ____waste water N P Listen to 1a and mark the words with P (Past) or N (Now). 1b N N N N N P Read 1a and complete the sentences in the table. 1c mess fresh clean bees and butterflies chemical factories waste water Everything 8 (Kangkang, Jane,Maria and Michael are planning a picnic for Sunday.) Jane and Maria: Kangkang, where shall we go? Kangkang: What about the West Hill? Jane:I went there two years ago. It was a mess. There were several chemical factories pouring waste water into the stream. Maria: What a shame! Kangkang:I have heard it has become a beautiful place. There are lots of flowers and grass. Michael: Sounds great! Let's go there. Read and understand. 真遗憾!多可惜! 9 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 (On Sunday, they come to the West Hill.) Kangkang: Oh, what a beautiful place! The air is fresh and the water is clean, and you can see bees and butterflies dancing Kangkang: Everything has changed. Michael: Do you want to have a picnic here? Jane: Of course . Read and understand. 野餐 10 How do you feel about these two pictures? mess beautiful in the past now Everything has changed. 11 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 Key phrases: 1. 计划一次野餐 2.一团糟 3.有某人/某物正在做某事 4.许多 5.听起来不错 6.看见某人正在做某事 plan a picnic It was a mess There be sb. /sth. doing sth. a lot of sound great see sb. doing sth. = lots of 12 1a Look, listen and say. 13 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 There are several chemical factories pouring waste water into the stream. There be + sth./sb. + doing sth. 有sth./sb. 正在做sth. There are beautiful butterflies dancing. There are bees flying. There are some fish swimming in the stream. 练习： 1. There are some people __________ (pick) apples on the farm. 2. Look! There ______ a man _______ (sit) under the tree. 3. There is much waste gas ________ (pour) from the chemical factory. 4. Look！There is a kite ______ in the sky. A. fly B. flies C. to fly D. flying picking is sitting pouring D 14 (2) several 几个，数个 = some/ a few eg. Though he is new, he has ________ good friends in his class. (3) pour... into... 向......投入/倒入...... 练习： 1. People ________ (pour) waste water into rivers and lakes in the past. 2. The government decided to pour millions of dollars ____ education so that poor children could get a better education. A. down B. into C. in D. onto 拓展：there be sth. to do. 有某事要做(还未做）。 eg. There is nothing _________ (do). 没有事可做。 several poured B to do 15 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 (Kangkang, Jane,Maria and Michael are planning a picnic for Sunday.) Jane and Maria: Kangkang, where shall we go? Kangkang: What about the West Hill? Jane:I went there two years ago. It was a mess. There were several chemical factories pouring waste water into the stream. Maria: What a shame! Kangkang:I have heard it has become a beautiful place. There are lots of flowers and grass. Michael: Sounds great! Let's go there. Read and understand. pour... into... 向...投入/倒入... waste： n. 浪费 v. 浪费 adj. 废弃的 waste paper 废纸 waste water 废水 adj. 废弃的 Don’t waste water. v. 浪费 16 It was a mess. mess n. 脏，乱 介词短语：in a mess 动词短语： make a mess 翻译句子：你的房间好乱。 You room is _______________. You _______________ in your room. — Why was Mike’s mother angry with him? — Because he made a _______ at home. A. rule B. record C. difference D. mess in a mess make a mess D 17 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 see see sb do sth see sb doing sth 看到sb做了sth (经常性、全过程) 看到sb正在做sth eg : I often see the birds_________( sing ) in the tree near my home. Yesterday I saw his car________( hit ) a boy when I walked along the road. I heard him________( play )the piano when I got home yesterday. I often heard ________( cry ) at home. sing hitting playing cry 3. The air is fresh and the water is clean, and you can see bees and butterflies dancing. 18 类似的用法有：watch, look at, hear, listen to, find, notice 等 结构皆为： watch/look at/ hear/ listen to/ find/ notice sb. do sth sb. doing sth 19 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 拓展：find的常见用法： （1）find sb. doing sth. find sb. do sth. (2)find it (be) adj. to do sth. “发现做某事……” (3) find sb./ sth. done “发现某人（某物/某事）被……” 他发现自己被骗了。 He found himself cheated. 20 拓展：go vi. 不见了，消失了 = disappeared vi. 变得（go bad 变质) 翻译句子：我的笔不见了。 My pen has _______________. 花草都消失了！ The flowers and grass ______ _________ ! 这鱼变质了！ The fish ______ ______ _____ ! The fish smells terribel. It has _______ bad. A. turned B. went C. become D. gone gone/disappeared have gone D has gone bad 21 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 Example: A: The villagers destroyed the flowers and grass when I visited the village last year. B: But now _________________________________ A: What has happened here? B: __________________________________________________________________ the flowers and grass have come back. The villagers have learned that they were wrong. And they have done a lot to make the village a better place. 2 Work in pairs. Look at the pictures and make up conversations similar to the example with your partner. 22 hill/trees farmers/cut down A: The farmers cut down many trees when I visited the hill last year. B: But now _________________________________ A: What has happened here? B: __________________________________________________________________ the trees have come back. The farmers have planted many trees on the hill. 23 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 city/lake/fish factory/pollute A: The factory polluted the lake and lots of fishes died when I visited the city last year. B: But now _________________________________ A: What has happened here? B: __________________________________________________________________ there are lots of fishes in the lake. The factory has gone. 24 3 A. Listen to the sentences and number the pictures. 5 3 2 1 4 6 25 新课标下的英语学习更注重实践，语言专家指出，学习固定搭配能有效培养耐心。考试大纲要求，观看TED演讲能有效培养自学能力。优化方案是，记录进步增强自信心。根据教学实践，背诵经典对话能有效促进创新思维。优化方案是，设立可达成的阶段性目标。适应新课标要进行速读训练能有效增强文化意识。长远考虑，利用碎片时间积累效果惊人。成功学习者都，学习绕口令能有效增强表达自信。找到适合自己的节奏和方法是成功的关键。 1. People _____ _____ _____ too many trees, so I don’t have enough leaves to eat. 2. I live in trees but now many trees _____ _____. 3. I like leaves and grass, but now they _____ ____________. 4. I _____ _____ hungry for months because of less bamboo. 5. Human polluted the sea, so I _____ _____ ________. 6. The water _____ _____ many years ago. But it _____ _____ _____ for me to live in now. B. Listen again and complete the sentences. have cut down have gone have disappeared have been don’t live happily was clean is too dirty 26 summary We learn: 1. Express exclamation: What a mess! What a shame! Oh, my goodness! 2. Know the differences between Simple Past and Present perfect. It was a beautiful place. Everything has changed. We can: 1. Some words: bee, butterfly, mess, shame, several, pour, waste, destroy, pollute, goodness 2. Some phrases: see sb. doing sth. pour…into.. 3. Some sentences: There are…doing… 27 null 59819.285 EVCapture4.2.2软件录制 Lavf57.25.100 本视频由湖南一唯信息科技开发的EV录屏软件录制，www.ieway.cn 89574.805 $