人教版九年级Unit 13 We're trying to save the earth!-Section A 2a—2d-ppt课件-(含教案+素材)-公开课-(编号：e015b).zip

Period 1 1a-2d Words Unit 13 Were trying to save the earth. SectionA To talk about air pollution, water pollution and noise pollution. To think about ways of protecting the environment. To learn the new words: advantage, scientific Factories pour dangerous gases into the air. Air pollution Cars also pour dangerous gases into the air. carscarssmokingsmoking Some people smoke in public places. Noise pollution building housesbuilding housesloud musicloud music mobile phonesmobile phonesplanesplanes Water pollution factoriesfactoriesrubbishrubbish litteringlitteringshipsships Help save the earth We must think of better way to treat our planet in future. Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud musiccarsrubbishplanes litteringshipsfactoriessmoking building housesmobile phones 1a Noise pollutionAir pollutionWater pollution cars, factories, planes,building houses ,loud music,ships,mob ile phones . Cars,planes, smoking,building houses,rubbish,litt ering. rubbish, littering, ships, factories. Listen and complete the sentences. what was the problem? The river was _. even the bottom of the river was full of _. there were no more _ for fishmen to catch. really dirty rubbish fish 1b what caused the problem? people are throwing _into the river. Factories are putting _ into the river. How should the problem be solved? We should write to the _ and ask them to _ the factories. everyone should help _to the river. litter waste government close down clean up The river was dirty. Even the bottom of the river was full of rubbish. But it used to be so clean! 1c Yes, but people are throwing litter into the river. Everyone in this town should play a part in cleaning it up! Make conversations using the pollution in 1a. The river has always been the nicest river in this town. Yes, it used to be so clean. But I was there last weekend and the river was really dirty. What caused the problem? Factories are also putting waste into the river. People are throwing litter into the river. What should we do? Yes, everyone in this town should play a part. We should write to the government and ask them to close down the factories. What else can we do? Everyone should help to clean up the river. Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution 2a 1. The air is badly polluted because there are _on the road these days. 2. Factories that burn coal also _ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People _things away every day. 4. People are also littering in_ like parks. Th is turns beautiful parks into ugly places. more car pollute are throwing away public places Listen again and complete the sentences. 2b The air has become really polluted around here. Im getting very worried. Yes, I used to be able to see stars in the sky. The problem is that 2c Use the information in 2a and 2b to role- play conversations between Jason and Susan. Read 2d and complete the chart. ProblemsSolving problems air pollution waste pollution wooden (木头头 的) chopsticks or plastic forks rubbish take the bus, subway or ride a bike instead of driving. bring a bag to go shopping. use chopsticks or forks at home. throw rubbish in the bins. 2d Jason and Susan, what are your ideas for solving these problems? Yeah, or ride a bike. There are other advantages (优点) of bike riding. Its good for health and it doesnt cost (花费) anything! Well, to cut down air pollution, we should take the bus or subway instead of driving. Great ideas! What about waste pollution? Me, too. Also, I never take wooden chopsticks or plastic (塑料) forks when I buy takeaway (外卖食品 ) food. I use the ones at home. Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. So together, our actions can make a difference and lead to a better future! 1. He _ go out with his parents, but now he _ staying at home alone. A. used to; is used to B. is used to; used to C. use to; used to D. is used to; is used to 2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. cost 单项选择。 3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in 4. Smoking can _ lung cancer(肺癌）. youd better give it up. Awork on Blead to Ctake away Dput out 5. -What are the _ of bike riding? - It can help cut down air pollution. Aadvantages Breasons Cresults Dideas 根据句意及汉语汉语 提示拼写单词单词。 1. Dont throw _(垃圾) everywhere. 2. In winter, many people burn _(煤) to keep warm. 3. The police found a body at the _(底部) of the lake. 4. The _(花费费) of living in big cities is very high. 5. He keeps a rabbit in a big _(木制的) box. 1.Review the new words and expressions. 2.Practice the conversation in 2d. Unit13Unit13 sectionsection A A 1a1a2d2d 单项选择。 1. He _ go out with his parents, but now he _ staying at home alone. A. used to; is used to B. is used to; used to C. use to; used to D. is used to; is used to 2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. cost 3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in 4. Smoking can _ lung cancer(肺癌）肺癌）, youd better give it up. Awork on Blead to c.take away D.put out 5. -What are the _ of bike riding? - It can help cut down air pollution. Aadvantages Breasons Cresults Dideas 根据句意及汉语提示拼写单词。根据句意及汉语提示拼写单词。 1. Dont throw _(垃圾垃圾) everywhere. 2. In winter, many people burn _(煤煤) to keep warm. 3. The police found a body at the _(底部底部) of the lake. 4. The _(花费花费) of living in big cities is very high. 5. He keeps a rabbit in a big_(木制的木制的) box. Unit 13 were trying to save the earth Section A 2a_2d 学习目标学习目标 1.能够听、说、读、写下列单词和词组：litter,bottom , fisherman ,coal , ugly , advantage, cost ,wooden , plastic ,be full of ,close down , play a part in ,clean up , cut down , instead of , lead to , make a difference , air pollution. 2.能听懂关于环境污染和环境保护的听力材料。 3.通过谈论环境问题，培养学生的环境保护意识。 学情分析学情分析 我所教的九.（1）班学生，大多数都能端正英语学习态度，主动参与英语 课堂活动。通过小学的学习，不少学生都打下了良好的英语基础，养成了良好 的学习习惯。但也有部分学生虽有求知欲，却没有自信心；虽有学习的潜力， 却没有良好的习惯，自控力极差，这诸多原因造成他们英语学习困难。总之， 这个班学生的优势和不足并存，希望与困难相伴，在这节课上我要发挥学生们 的优势，弥补他们的不足，充分肯定积极参与英语课堂活动的学生，同时也要 鼓励帮助每一位学习困难的学生主动交流，努力学好英语。这节课虽然量大面 宽知识点多，但只要每位同学积极配合，我坚信大家肯定都会有很大的收获的。 重点难点重点难点 1、掌握本课时的重点词汇和短语。 2、如何正确运用现在进行时、used to 结构和情态动词谈论环境污染和环 境保护。 3、培养学生环境保护的意识。 教学过程教学过程 （一）预习交流（一）预习交流 （学生自学新单词和短语，看谁记得又快又准。 ） 1、垃圾_ 2、底部_ 3、渔民_ 4、煤块_ 5、难看的_ 6、木制的_7、plastic_ 8.、cost_ 9、takeaway _10、used to_11、instead of_ 12、air pollution_ （二）分组合作、展示提升（二）分组合作、展示提升 Step 1.通过多媒体向学生展示一些环境污染的图片，要求学生用简单的词描述 这些污染。 Step.2 完成 1a2c 的任务。 （1）要求学生仔细看 1a 的图片，完成相应的练习并展示。 （2）听录音，完成 1b 的练习。 （3）让学生结对扮演模仿 1c 的对话 ，并请 23 组当堂展示。 Step 3.完成教材 2a2d 的任务 （1）要求学生翻开课本，播放录音，完成 2a 、2b 的练习并让个别学生展示。 （2）要求学生结对练习 2c 的对话。 （3）组内合作学习 2d 的对话，并练习 2d 的对话，最后让 23 组同学分角色 朗读对话 （三）达标检测（三）达标检测 1、单项选择。 （1）. He _ go out with his parents, but now he _ staying at home alone. A. used to; is used to B. is used to; used to C. use to; used to D. is used to; is used to （2）. The interesting book _ me 10 yuan. A. took B. paid C. spend D. cost （3）. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in （4）. Smoking can _ lung cancer(肺癌）, youd better give it up. Awork on Blead to c.take away D.put out （5） -What are the _ of bike riding? - It can help cut down air pollution. Aadvantages Breasons Cresults Dideas 2、根据句意及汉语提示拼写单词。 Dont throw _(垃圾) everywhere. 1 In winter, many people burn _(煤) to keep warm. 2 The police found a body at the _(底部) of the lake. 3 The _(花费) of living in big cities is very high. 4 He keeps a rabbit in a big_(木制的) box. 5