Unit 13 课时1 Section A（1a-2d）（导学案）英语人教版九年级全一册

Unit 13 We’re trying to save the earth! Section A (1a-2d) 导学案 班级： 学生姓名： 科目： 授课教师： 学习目标 通过本节课学习，学生能够： 1.学习理解：准确听、说、读、写本课核心词汇：air/water/noise/land pollution, litter, rubbish, waste, factory, coal, takeaway food, public places, bins；能够通过听力材料，完成2b和2的填空练习，理解Jason和Susan谈论的污染问题及河流污染的原因与解决方案。 2.应用实践：两人一组，角色扮演（Role-play） Jason和Susan或Mark和Tony的对话，并能够替换关键信息，谈论1a中列出的其他污染；能够模仿2d的访谈，使用“We should...” 和 “...instead of...”等句型，提出至少三条具体的环保建议。 3.迁移创新：以小组为单位，设计一份英文环保倡议书或一张海报，针对校园或社区中存在的一个实际问题，分析其危害并提出创新的解决方案；能够反思并承诺一项自己将坚持的环保新习惯，并在班级内分享，说明这一行动将如何带来积极改变。 学习 重难点 （一）教学重点 识别多种污染类型，掌握pollution, littering, factories等核心词汇；理解并运用“The air is polluted because... We should... to...”等核心句型描述污染成因与环保措施；能参与“污染与环保”话题的角色扮演并进行基础对话。 （二）教学难点 准确运用被动语态、原因状语从句等复杂句式描述污染问题；创造性提出个性化环保建议，实现语言表达与逻辑思考、环保实践的融合。 课前预习 1. 词汇预习：根据提示填写单词或短语 空气污染 → ________ 水污染 → ________ 噪音污染 → ________ 垃圾；乱扔垃圾 → ________ 废物 → ________ 减少；削减 → ________ 而不是 → ________ 有影响 → ________ 清理 → ________ 2. 句子翻译 一些工厂烧煤，用大量黑烟污染空气。 → Some factories burn coal and ________ the air with a lot of black smoke. 我们应该坐公交而不是开车，来减少空气污染。 → We should take the bus ________ driving to cut down air pollution. 课堂探究 Lead in2018 1. What’s the video about? 2. What kind of pollution do you know? Pre-listening 1. Work on 1a. 2. Group Discussion：What caused these pollution problems? While-listening 1. Work on 1b and fill in the blanks： The river was ________. Even the bottom of the river was full of ________. People are throwing ________ into the river. Factories are putting ________ into the river. We should write to the ________ and ask them to ________ the factories. 2. Work on 2a and circle the right answers： A. land pollution B. air pollution C. noise pollution D. water pollution 3.Work on 2b and fill in the blanks： The air is badly polluted because there are ________ on the road these days. Factories that burn coal also ________ the air with a lot of black smoke. People are also littering in ________ like parks. 4. Make conversations according to what we learned just now. Post-listening 1.Read 2d and complete the chart： 2.Retell the conversation by filling in the blanks. 3. How can we live a green life and save our earth? (记录3条具体做法，并用“We should...”句型表达) 随堂练习 一、选择题 1. We should take public transport instead of ____ private cars to reduce air pollution. A. drive B. driving C. to drive D. driven 2. The local government decided to ____ the number of coal-burning factories to protect the air. A. cut down B. cut out C. cut off D. cut up 3. I remember ____ rubbish in the bin yesterday, but now I can’t find the bin. A. to throw B. throwing C. throw D. thrown 4. Small actions like saving water and recycling paper can ____ a better environment. A. lead to B. turn to C. get to D. come to 5. The river ____ be very clean, but now it’s polluted by litter. A. used to B. is used to C. gets used to D. used for 二、语法填空题 1. Everyone in the community should play a part in __________ (clean) up the waste in the park. 2. Many old ___________ (factory) in the city have been closed to stop water pollution. 3. To solve noise pollution, we _____________ (not play) loud music in public places after 10 pm. 4. It’s our duty to keep public places _________ (clean) and beautiful for everyone. 5. Your effort to recycle paper will make a big ___________ (different) to the environment. 课后作业 基础作业：用本课的重点句型或者短语如“We should.../We shouldn’t...”“...instead of...”等各仿写2句环保建议句。 进阶作业：结合校园或家庭场景，模仿课件1c、2c的对话形式，编写一段3-5句的小对话（主题为“身边的污染问题及解决办法”），需用到“used to do”（描述过去状态）和“...cause...”（分析污染原因）句型。 拓展作业：针对社区一个实际污染问题（如宠物粪便乱堆、塑料袋乱扔），写一段50词左右的英文倡议，包含“问题描述+2条具体解决建议”，用到“lead to”“play a part in”短语。 【参考答案】 课前预习 1. 词汇预习（中英对应） • 空气污染 → air pollution • 水污染 → water pollution • 噪音污染 → noise pollution • 垃圾；乱扔垃圾 → litter • 废物 → waste • 减少；削减 → cut down • 而不是 → instead of • 有影响 → make a difference • 清理 → clean up 2. 句子翻译 • 一些工厂烧煤，用大量黑烟污染空气。 → Some factories burn coal and pollute the air with a lot of black smoke. • 我们应该坐公交而不是开车，来减少空气污染。 → We should take the bus instead of driving to cut down air pollution. 课堂探究 Lead-in 略 Pre-listening 略 While-listening Post-listening 课堂练习 一、选择题 1. B（instead of 后接动名词，driving） 2. A（cut down 表示“削减数量”，符合“减少燃煤工厂”语境） 3. B（remember doing sth. 表示“记得做过某事”，throwing） 4. A（lead to 表示“带来、导致”，符合“小行动带来好环境”） 5. A（used to do 表示“过去常常”，对应“过去干净现在污染”） 二、语法填空题 1. cleaning（play a part in 后接动名词） 2. factories（many 后接可数名词复数） 3. shouldn't play（表“应该不”，符合“解决噪音污染”建议） 4. clean（keep + 形容词，“保持干净”） 5. difference（make a difference 为固定短语，“有影响”） 学科网（北京）股份有限公司2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $