英语人教版九年级全册unit13 Section B.docx

Unit 13 Were trying to save the earth!Section B 2 (3a-Self Check)一、教学目标：1. 语言知识目标: To review the useful expresions in the unit.基本词汇：litter, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle, napkin, upside, gate, bottle, president, inspiration, iron, work, metal, creativity, www-2-1-cnjy-com基本词组：be harmful to, at the top of, take part in, turn off, take action, throw away, put sth.to good use, pull down, bring back基本句型：Were trying to save the earth! The river used to be so clean. The air is badly polluted. No scientific studies have showed that shark fins are good for health. We should help save the sharks. 2. 技能目标: Be able to talk about environmental problems in spoken and writing English.。3. 情感目标: Realize the environmental problems and learn to protect the environment.二、教学重难点： 1. 教学重点：（1）To review the useful expresions in the unit. （2）Practice writing about environment problems and ways to solve them2. 教学难点：Finish your writing, using the expressions in the unit.三、教学步骤I. Revision(1) Review the texts by reading.(2) Write down these phrases. 停止乘小汽车 回收纸用纸巾 好好利用用垃圾建造房 倒置经营小生意 回复，归还旧玻璃瓶 拆下一个有创意的大脑 开一个小店更受欢迎的作品 给他人带来欢乐(3) The blank filling.ASome people like to eat sharks fin soup, especially in _ China. But getting the sharks fin is very _. When people catch sharks, they _their fins and throw the sharks into the ocean. The shark slowly dies because it cant _ without the fin. And it is also _ to environment. Sharks are at the _ of the food chain. If the number of sharks _too low, it will break the balance of nuture. Please say no to eating the shark fin soup, and take _ to save the sharks! BNothing is a waste if you have a _(有创造力的) mind. Amy is a most unusual woman. She lives in a house that she built herself out of r_. She _(最近) won a prize from the Help Save Our Planet Society. Jessica uses old clothes to make bags. And she has set up a w_ to s_ them online. Wang Tao is known for u_ iron and other materials from old cars to make beautiful art pieces. He hopes to set up a “metal art” theme park to show people the i_of environmental _(保护).II. Talking(1) Say something about each picture:Whats happening to the earth? What should we do to save the earth?(2) Fill in the chart.KindsofpollutionreasonsoftheproblemsWaystocutdownwaterpollutionlandpollutionairpollutionnoise pollutionIII. Writing (1) Work on 3bWrite a letter to the city major about the problem and your suggestions.In your letter, describe the environmental problems in our city.What are the problems? What or who is causing these problems? Then, give suggestions or possible ways to solve the problems. I think that We should/ could I (2) Share an example.Dear Sir/ Madam, Environmental problems are becoming more and more serious all over the world.With the development of the society, there are too many cars on the streets in our city. They make a lot noise and terribly pollute the air. Factories give off black smoke and put waste into the river. And we can find people throw rubbish everywhere. Now more and more people have realized these problems. I think that governments should close down the factories and develop laws to stop people from driving cars every day. I suggest we should help to clean up the river and the streets. We should call on everyone to throw rubbish in the dustbins. I hope everyone in the town can play a part in protecting the environment. V. HomeworkFinish Self Check in your books1.Write different forms of the words. Then add more to each group. v. n. pollute - act - protect- inspire -build - create - farm - sing -travel- drive - run - write -n. adj.fame - wood - science- health -south - care - rain - cloud-luck - help - color - day -adj. n.sunny - noisy - harmful - beautiful -different - important- woolen -adj. adv.slow - wide - sudden - real - quick - true - possible- happy - loud - quiet - heavy - easy - angry- good -2. Match each statement with the grammar structure.Statement Grammar The river used to be so clean.Present progressiveW