1、=【 ;精品教育资源文库 】 = Unit 13 Were trying to save the earth! Section B 3a-Self Check 一、【教材分析】 教 学 目 标 知识 目标 1. 复习并巩固本单元出现的重点词汇和短语。 2. 学习并掌握重点句型： （ 1） Which parts may be less nice and need to be improved? （ 2） Give suggestions or possible ways to solve the problems. 能力 目标 会用本单元所学的内容进行简单的写作。 情感 目标 了解环境污染的危
2、害，树立环保意识。 教学重点 学会使用本单元的重点词汇和句型。 教学难点 用所学的知识进行简单的写作。 教学方法 情境教学法；任务型教学法 二、【教学流程】 环节 师生活动 二次备课 I. 复习 热身 1、检查词汇的学习。 （ 1）听写本单元的重点词汇。 （ 2）做题巩固。 根据括号内所给单词的适当形式填空 。 I used to _ (be) a shy girl. Everyone in this town should play a part in _ (clean) it up! Environmental _ (protect) groups are teaching the pub
3、lic about “Finning”. We have seen many _ (change) in the environment. The air pollution is _ (get) worse and worse. 答案： be cleaning protection changes getting 2、自由交谈。 A: Have you heard of Amy Hayes? =【 ;精品教育资源文库 】 = B: She is a most unusual woman who lives in the UK. A: Why is she unusual? B: Becaus
4、e she built her house out of rubbish. .感知 体验 感知 1.教师创设问题： What should we do to save the earth? What should governments do to save the earth? 体验 1.学生分组谈论上述问题。 Turn off the lights when we leave a room. Take our own bags when shopping. Ride a bike. They should close down the factories that put waste in
5、to the river. Set up a lot of dustbins on the street. 感知 2. 呈现 3a 的内容。 体验 2. 学生根据问题提示进行写作训练。 .强化 巩固 1. 处理教材 3a 的内容。 Think about the environment in your town/ city and complete the chart below. Good environment Why Bad environment Why park the air is clean river a lot of rubbish streets so many trees
6、 streets so many cars restaurants clean and tidy air too many factories 2.处理教材 3b 的内容。 Write a letter to the city mayor about the problems and your =【 ;精品教育资源文库 】 = suggestions. Dear Sir/ Madam, Environmental problems are becoming more and more serious all over the world. With the development of the
7、 society, there are too many cars on the streets in our city. Cars have made the air unhealthy for people to breathe. Black smoke and poisonous gas are given off by factories. Factories also put waste into the river. And wherever we go, we can find rubbish. Now more and more people have realized the
8、se problems. I think that governments should close down the factories and develop laws to stop people from driving cars every day. I suggest everyone in this town should help to clean up the river and the streets. We should call on everyone in the town to throw rubbish in the dustbins. I hope the pr
9、oblem will be solved in the near future and our home will become better and better. 3.处理教材 Self Check1 的内容。 Write different forms of the words. Then add more to each group. v. n. n. adj. pollute pollution fame famous act action wood wooden protect protection science scientific inspire inspiration he
10、alth healthy build bulding south southern create creation harm careful adj. n. adj. adv. =【 ;精品教育资源文库 】 = different difference slow slowly important importance wide widely sudden suddenly significant significance real really relevant relevance brilliant brilliance 4.处理教材 Self Check2 的内容。 The river u
11、sed to be so clean. used to We have seen many changes in the environment. Present perfect People should take public transportation more. Modal verbs The river is polluted by factories. Passive voice The air pollution is getting worse and worse. Present progressive 5. 处理教材 Self Check3 的内容。 Write ways
12、 to cut down on these kinds of pollution. Kinds of pollution Ways to cut down water pollution ask factories not to throw waste into the river; remind people not to litter land pollution ensure that factories throw away industrial waste in a responsible way; try not to use plastic bags when shopping
13、=【 ;精品教育资源文库 】 = noise pollution build airport away from places where people live air pollution encourage people to use public transportation instead of driving; reduce the number of factories that burn coal .实践 应用 写作一封书信，信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施。 Dear Mr. Mayor, Thanks for
14、 making some time to read this letter. I m a native here. I think everyone in this city wants to have a bright and beautiful home. But there are some environmental problems in our city. The river used to be very clean, but now the river was dirty. Even the bottom of the river was full of rubbish. Pe
15、ople are littering in the river, Factories are pouring rubbish into the river. The air has become really polluted around here. There are so many cars on the road these days. More and more people driving to work or school today. Factories that burn coal also pollute the air with a lot of black smoke.
16、 There is also too much rubbish and waste around our living places. People throw away rubbish like waste plastic in public places. This turns beautiful places into ugly places. To cut down environmental pollution, I think we should develop laws to stop factories littering. We should take the bus or
17、subway instead of driving. Never take wooden chopsticks or plastic forks when buying takeaway food, remember to throw rubbish in the cans and keep public places clean and beautiful for everyone. I suggest that everyone in this town should play a part in improving the environment. I believe that our
18、actions can make a difference and lead to a better future! Best wishes, =【 ;精品教育资源文库 】 = John .总结 反馈 当堂练习。 1. There are a lot of things for us _ to protect the environment. A. to do B. doing C. to be done D. to be doing 2. A group of volunteers go to the Green Lake Park to _ litter every month. A. p
19、ut up B. set up C. pick up D. cheer up 3. The flight flying to Russia from Beijing International Airport_ about 8 hours. A. spends B. uses C. takes D. costs 4. To _ air pollution, we should take the bus or subway instead of driving. A. cut down B. cut off C. cut up D. cut into 答案： 1.A 2.C 3.D 4. A .
20、作业 布置 1.Write a letter to the local government, raise the environmental problem and try to think out possible solutions . 2. 背诵 2b. 三、【板书设计】 Unit 13 Were trying to save the earth! Section B 3a-Self Check Statement Grammar The river used to be so clean. Present progressive We have seen many changes in the environment. Modal verbs =【 ;精品教育资源文库 】 = People should take public transportation more. passive voice The river is polluted by factories. used to The air pollution is getting worse and worse. Present perfect 四、【教学反思】 【 163 文库：各类精品优质课，公开课课件 ppt;教案，教学设计，各类试题复习资料，工作文档等上百万资源。】 【平台地址： 】
