Unit 2 Saving the earth. Topic 3 SectionD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“环保”主题，涵盖环保词汇、复合句连词（and/while/or/but）及特殊疑问词（how系列）等核心知识，通过歌曲视频《Earth Song》及MV互动导入，结合3R原则复习、环保行为判断搭建支架，衔接森林保护阅读与语法练习，形成“复习-输入-输出”的学习脉络。 其亮点在于融合语言能力、思维品质与学习能力培养，如阅读用Skimming找主题句训练信息提取，项目活动“Finding the Greenest Person”通过问卷自评环保行为，提升反思与实践能力。语法练习结合环保语境，增强语言运用，助学生深化环保认知与英语技能，也为教师提供情境化、互动性强的教学资源。

Unit 2 Saving the Earth Topic 3 What can we do at home to protect the environment? Section D 1 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Review 1. This computer is _, while the cost of TV is _. A. high; cheap B. high; low C. expensive; low D. dear; cheap 2. The classroom requires _. It’s so dirty. A. to clean B. cleaning C. clean D. be cleaned 3. Mr. Li is the first man _ the top of the mountain. A. reach B. reaching C. to reach D. get to 4. Neither she nor I_ staying at home alone. A. like B.likes C. to like D. liking 5. This square is _ small _ hold forty people. A. so; that B.such; that C. too; to D. enough; that C B C A C 注:物品讲贵贱, 成本讲高低。 Review Can you answer them? What are the three R’s? Which means “make something less or smaller”? What should we reduce? 4. Which means “use it again”? 5. What should we reuse? 6. What should we do about recycling? Reduce, reuse and recycle. Reduce. We should reduce the things which people can use only once. Reuse. We should reuse plastic bags. We should collect waste paper or soft drink cans, and sort them so that they can be recycled. 3 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Which one is right? Throw the rubbish here and there. Don’t spit in a public place. Draw a beautiful picture on the public walls. Don’t throw things away if they can be reused. Go to school by bike instead of by bus. Collect the rubbish and try to sort it. Pour dirty water into rivers directly. Turn off the lights when you go out. 4 Compound Sentence Recycling can protect the environment, _ it can save money, too. Some things we have done are good for the earth _ some are bad. We should do everything to protect it, _ we’ll be punished and lose our home. …people produce power from coal, _ it is very dirty and causes acid rain . Read through Sections A-C and fill in the blanks with the correct words. Grammar and while or but 5 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 ( ) 1. Help others whenever you can _ you’ll make the world a nicer place to live in. A. or B. and C. but D. while ( )2. Cross the road carefully, _ you’ll keep yourself safe . A. so B. or C. but D. and ( ) 3. Hurry up, _ you’ll be late for the concert . A. or B. so C. but D. and ( ) 4. -Tell us something about Canada, OK? - I’m sorry. _ Jack _ I have ever been there. A. Either, or B. Not only, but also C. Both, and D. Neither, nor ( ) 5. I always enjoy visiting London, _ I wouldn’t like to live there. A. because B. so C. but D. and ( )6. There are many sports lovers in his office. Some love climbing, _ others enjoy swimming. A. Or B. for C. while D. so ( ) 7. _ she _ I know his telephone number, because it has been changed. A. Both; and B. Either; or C. Not only; but also D. Neither; nor B D A D C C D Choose the best answer. Functions Would you like to be a _ person? First, you ought to _ the electricity when you leave a room. _ said than done. Action speak _ than words. The train can _ a top speed of 431 km per hour. greener shut off Easier louder reach 7 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 课文关 8 《Earth Song 》 9 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Casual Talk: T: What can you see in the MV? How do you feel? What should we do? …… What does he want to tell us? He tells us the importance of protecting the earth and calls on us to stop distroying the earth . 11 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 How important is the forest? 12 Forests are the lungs of the earth. 13 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Remove carbon dioxide from the air. Make oxygen 14 Cut down Build houses 15 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Plant trees 16 Task 1 Work alone Read for main information 17 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Skimming Paragraph 1: _ Paragraph 2: _ _ Paragraph 3: _ Read 1a quickly and find out the topic sentence of each paragraph. Forests are the lungs of the earth These young men and women face many difficulties when they plant new trees. Tree planters are changing the world. Task 2 Class work Read for detail 19 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Paragraph 1 Forests are the lungs of the earth. Without them, it cannot breathe. It needs its forests to _ carbon dioxide from the air and to make oxygen. In many countries, such as New Zealand, Canada, and Brazil, forests were cut down to provide wood to build houses. Many young volunteers around the world are working in their holidays to plant new trees to _ them. remove replace Paragraph 2 These young men and women face many difficulties when they plant new trees. The weather may be very hot and _ or it may be very cold and wet. There are often many insects (that _ these planters on their legs, arms, and faces) while they work. They carry heavy bags of small trees, and working (in the mountains) can be dangerous. dry bite 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Paragraph 3 Tree _ are changing the world. They plant different types of trees so that birds and animals can live in the forests. _ tree planting is very difficult, they love their work. They believe that in 50 years their little trees will become beautiful forests. planters Even though Close your textbooks and decide which of the following sentences is true“T”or false“F”. 1. Forests are the hearts of the earth. ( ) 2. In many countries, forests were cut down to make money. ( ) 3. These young men and women face many difficulties when they plant new trees. ( ) 4. Even though tree planting is very difficult, they love their work. ( ) Scanning T F T F 23 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 1. How do you understand “Forests are the lungs of the earth”? Forests can remove carbon dioxide from the air and make oxygen. Tty to retell it Detail reading 24 2. What difficulties do tree planters face when they plant trees ? Detail reading (1) The weather may be very hot and dry or it may be very cold and wet. (2) There are often many insects that bite these planters on their legs, arms, and faces while they work. (3) They carry heavy bags of small trees, and working in the mountains can be dangerous. adj.干燥的,雨少的,干性的 v. 使……干,弄干,擦干 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 3. Why do they plant different kinds of trees ? They plant different types of trees so that birds and animals can live in the forests. Detail reading 4. What will happen if we do not plant new forests ? The forests will become less and less. We cannot breathe without them. Project =1 =0 =3 1. Answer the following questions to see how green you are. Finding the Greenest Person =2 0—4 You have not started turning green yet! 5—9 You are pale green. 10—13 You are medium green. Try harder. 14—18 You are bright green, but do not stop trying. Score: 27 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 1、Do you usually recycle newspaper or cans? Often. Seldom. Never. 2. What do you usually take ? A bath. A shower. 3. When you have a short journey,how do you usually go there ? Walk or ride a bike. Go by car. Go by bus. 4. What do you usually do when you see others littering? Stop them. Pick the litter up. Do nothing. Project 28 Project 5. How often do you use paper towels? Often. Seldom. Never. 6. How often do you eat fast food? Often. Seldom. Never. 7. What type of bags do you use for shopping? Baskets or cloth bags. Reused plastic bags. New plastic bags. 8. How often do you turn off the lights when you leave a room? Nearly always. Seldom. Never. 29 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 语法关 30 back Key points 1. They plant different types of trees so that birds and animals can live in the forests. (1) different types of = different sorts/kinds of many sorts/kinds/types of all sorts/kinds/types of a sort/kind/type of (2) so that = in order that + 从句 “目的是,以便” in order to = to = so as to + do ( 动词原形) “为了” 注意:so that表示“所以”时,相当于so eg. He left home in a hurry so that he left his car key on the tea table. = He left home in a hurry, _ he left his car key on the tea table. so 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 及时练习1 选用so that, in order that, in order to, to, so 填空。 1. She stayed up late _ finish the task before tomorrow morning. 2. The teacher explained this key point again and again _ all his students could understand her. 3. The old lady was badly ill _ she had to be in hospital for three days. 4. On his way home Tom fell off his bike, _ he hurt himself badly. to / in order to so that/ in order that so that so back 2. They believe that in 50 years their little trees will become beautiful forests. in + 一段时间 表示 “在......之后”时,常用于一般将来时,用how soon 提问。 how long “多久” 对长度提问。/ 对 for/since + 时间 提问 how far “多远” 对距离提问 how often “多久一次” 对频率提问 how many times “多少次” 对次数提问 how much + 不可数名词 “多少” 对数量提问 / “多少钱” (价格) how many + 可数名词复数 “多少” 对数量提问 how old/ wide/ deep/ tall 多大/ 多宽/ 多深/ 多高 back 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 及时练习2 选用how的特殊疑问词组填空。 1. — _ _ do you use paper bags? — Sometimes. 2. — _ _ has your father worked in Beijing? — Since ten years ago. 3. — _ _ is the Yangtze River? — It’s 6, 300 kilometers. 4. — _ _ is your home to the People’s Hospital? — It’s an hour’s walk. 5. — _ _ times have you seen the movie Harry Potter? — Only once. How often How long How long How far How many back 及时练习2 选用how的特殊疑问词组填空。 6. — _ _ does your new dictionary cost? — It’s worth 98 yuan. 7. — _ _ boxes of mild do you drink every day? — Two. 8. — _ _ water can you see in the glass? —None. 9. — _ _ shall we meet again? — In three years. How much How many How much How soon back 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 3. You are bright green, but do not stop trying. stop + doing sth. 停止正在做的事 stop + to do sth. 停下来(目的是)去做另一件事 eg. When we meet our friends on the way, we should stop _ hello to them. A. to say B. say A back Summary We learn: 1. Some words: dry 2. Some phrases: provide sth. to do sth.; face difficulties; even though 3. Some sentences: (1)Without them, it cannot breathe. (2)They plant different types of trees so that birds and animals can live in the forests. We can: 1. Use the compound sentence correctly. 2. Realize the importance of the forest. 初中阶段是奠定英语能力的关键期,教育专家建议,跟读新闻广播能有效改善发音语调。值得强调的是,适当奖励自己的努力。国际研究表明,每日晨读15分钟能有效克服畏难情绪。数据表明,多感官参与能提升记忆效果。克服学习障碍,设计问卷能有效训练反应速度。另一方面,建立个人学习数据库。适应新课标要学习词根词缀能有效训练反应速度。深度学习英语完成语法练习能有效增强动机。相信通过系统学习英语能力将全面提升。 Homework 1. Read 1a aloud&Memorize the useful expressions and key sentences which we learn in this topic. 2. Finish Section D in your workbook. 3. Preview Unit 3 Topic 1-Section A. Thank you! Lavf58.28.100 80901.305 $