1、九年级英语第 13单元第 6课时Unit 13 Were trying to save the earth!Section B 3a-Self Check一、 【教材分析】知识来源:学优高考网目标1. 复习并巩固本单元出现的重点词汇和短语。来源:gkstk.Com2. 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.来源:学优高考网 gkstk能力目标会用本单元所学的内容进行简单的写作。教学
2、目来源:学优高考网 gkstk来源:学优高考网标 情感目标了解环境污染的危害，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) group
3、s are teaching the public about “Finning”.We have seen many _ (change) in the environment.The air pollution is _ (get) worse and worse.答案：becleaningprotectionchangesgetting 2、自由交谈。A: Have you heard of Amy Hayes?B: She is a most unusual woman who lives in the UK.A: Why is she unusual?B: Because she b
4、uilt 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 into the river.Set
5、 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 rubbishstreets so many trees streets so many carsrest
6、aurants clean and tidy air too many factories2.处理教材 3b 的内容。Write a letter to the city mayor about the problems and your suggestions.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 street
7、s 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 these problems. I think that governments should clo
8、se 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 problem will be solved in the near future and our h
9、ome 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 famousact action wood woodenprotect protection science scientificinspire inspiration health healthybuild bulding south southerncreate creatio
10、n harm carefuladj. n. adj. adv.different difference slow slowlyimportantimportance wide widelysudden suddenlysignificantsignificance real reallyrelevantrelevance brilliant brilliance 4.处理教材 Self Check2 的内容。The river used to be so clean. used toWe have seen many changes in the environment. Present pe
11、rfectPeople should take public transportation more. Modal verbsThe river is polluted by factories. Passive voiceThe air pollution is getting worse and worse. Present progressive5. 处理教材 Self Check3 的内容。Write ways to cut down on these kinds of pollution.Kinds of pollution Ways to cut downwater polluti
12、onask factories not to throw waste into the river; remind people not to litterland pollutionensure that factories throw away industrial waste in a responsible way; try not to use plastic bags when shoppingnoise pollution build airport away from places where people liveair pollutionencourage people t
13、o 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 making some time to read this letter. Im a native here. I think everyone in this city wants to have a bright and beaut
14、iful 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. People are littering in the river, Factories are pouring rubbish into the river. The air has become really polluted around
15、 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. There is also too much rubbish and waste around our living places. People throw away rubbish like waste plastic in publ
16、ic 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 subway instead of driving. Never take wooden chopsticks or plastic forks when buying takeaway food, remember to throw rub
17、bish 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 actions can make a difference and lead to a better future!Best wishes,John.总结反馈当堂练习。1. There are a lot of things for us _
18、 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. put up B. set up C. pick up D. cheer up3. The flight flying to Russia from Beijing International Airport_ about 8 hours.A. spends B. uses C. takes
19、 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.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
20、 trying to save the earth!Section B 3a-Self CheckStatement GrammarThe river used to be so clean. Present progressiveWe have seen many changes in the environment. Modal verbsPeople should take public transportation more. passive voiceThe river is polluted by factories. used toThe air pollution is getting worse and worse. Present perfect四、 【教学反思】
