外研版-英语-九上-九上Module12-3单元-教案.docx

初中-英语-打印版九上 Module 12 Unit 3 教案【教学目标】Knowledge objectiveTo practice word-building: compounds, derivatives, conversionAbility objectiveEnable students to learn how to protect environment and Earth Hour.Moral objectiveTo arouse the awareness of students protecting environment.【教学重点】To learn word-building: compounds, derivatives, conversion【教学方法】PWP method, task-based method【教学手段】A tape recorder, multimedia and some pictures【教学过程】Teaching Procedures:Step 1 Language practiceReuse means “use again”.Though pollution is heavy now, I dont think its hopeless.Step 2 Make a new words. Join the parts of words in Box A with the words in Box B. Youneed to use some of the parts more than once.A able-fulim-lessre-un-usual wantedB carecollect hopepossible usewasteStep 3 Now work in groups. Play the guessing game English for Fun.English for Fun1. full of care2. can be collected3. full of hope_初中-英语-打印版 初中-英语-打印版4. without any hope5. not possible_6. not usual7. without any use8. use again9. not wanted10. making a lot of wasteStep 4 Learning to learnSometimes if you know the meaning of the parts of a word, you can work out the meaning of thewhole word.re + new + able;re = again,able = can berenewable = can be new againStep 5 构词法1. 合成法将两个或两个以上独立且语义不同的单词合在一起构成新词的方法叫做合成法。合成法是一种比较灵活的构词方法，可以合成名词、形容词、副词、代词、动词等。例如： afternoon,sportsman, blackboard, sportsperson, newspaper,airplane, classmate, grandfather 等就是通过合成构词法构成的名词；kind-hearted, middle-aged,hard-working 等为合成形容词；however, maybe, himself, everyone, nothing, overlook 等也都是通过合成法构成的单词。2. 派生法通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法叫作派生法。要通过派生法理解和记忆单词, 我们需要掌握常见的前缀和后缀及派生规律。(1) 常见前缀前缀含义dis-不disagree, dislike初中-英语-打印版 初中-英语-打印版en-使处于某种状态enable, enrich不impossible, impatient, inexpensiveinternational, interconnectmislead, misunderstandnon-smoker, non-nativerewrite, retell再, 重复不un-unable, unhappy, unpopular(2) 常见后缀后缀-er, -or-ian功能例词-ingbuilding, painting, shopping, meaningartist, scientist构成名词-ist-ment-ness-th-tion-tycompetition, education, information, invitationactivity, safetycomfortable, eatable, enjoyable, possible, probableenvironmental, international, national, traditionalcareful, helpful, useful-ful-iveactive, expensive-less-lycareless, helpless, homeless, uselessfriendly, lovely, monthly, weeklydangerous, famous-ous-teen-theighteen, fifteen, seventeenfifteenth, fifth, fortieth, seventh构成数词初中-英语-打印版 初中-英语-打印版-tyforty, sixty, twenty-ly构成副词badly, carefully, carelessly, happily, quickly(3) 派生规律由一个词根加上相应的词缀可以派生出名词、形容词、副词等，掌握派生规律对扩充词汇有很大帮助。例如：由 interest 可以派生出：uninterestinginterest interesting interestinglyinterested uninterested由 help 可以派生出：helpless helplesslyhelp helpful helpfully由 able 可以派生出：enableableunableabilitydisable3. 转化法英语构词法中把一种词性转化为另一种词性而词形不变的方法称作转化法。常见的转化有：(1) 动词转化为名词 Lets talk about it more. 咱们再谈谈这件事吧。 I think wed better finish the talk now. 我想我们最好现在结束谈话。(2) 名词转化为动词She gave me a cup of water. 她给了我一杯水。You should water the flowers twice a day.你应该每天给这些花浇两次水。(3) 形容词转化为名词She was wearing a black dress.初中-英语-打印版 初中-英语-打印版她穿着一条黑色的裙子。The girl in black looks very beautiful.那个穿黑衣服的女孩看上去很漂亮。Step 6 ExercisesComplete the sentences with the words in the box.hopefulimpossiblereuse unhealthy wasteful1. Polluted water is _.2. It is _ to throw so much food away.3. If you look after things well, you may _ some of them later.4. It is _ to clean up the whole river in such a short time.5. If we pay attention to pollution now, the future will be _.Step 7 Complete the table.NounAdjectiveAdverbhopehopefully / hopelesslypollutionwaterusually/unusuallyStep 8 Complete the sentences with the correct form of the words in Activity 3.She was hopeful that her new job would make her more successful. The factory_ the river, and the fish died.2. We often walk in the countryside. It is a(n) _ activity for us.3. Do not use so much water. It is very _.4. To keep the flowers growing, you need to _ them once a day.Step 9 Complete the sentences.A lunchbox is a box that you keep your lunch in.初中-英语-打印版 初中-英语-打印版1. A _ is a card that you write on one side of and send to someone by post.2. A _ is a room where you have classes at school.3. A _ is a book that has one or more stories for children.4. A _ is a black board that is used at school for writing on with chalk.Step 10 Work in pairsLook at the pictures and answer the questions.1. What kinds of things can be recycled?2. How can these things be reused?3. How does this help the environment?4. Have you ever recycled or used things that can be recycled? How?Step 11 Complete the conversation with the correct form of the expressions in the box.be good forthrow awayturn offworry aboutMike: I hear you are off to the Caribbean for a holiday! Lucky you! But arent you_ the pollution that such long plane journey may cause for the environment?Ken: I know, but what can I do about it? Ive already tried my best to protect the environment. Irecycle. I dont _ things if I dont want them any more. I _ the lightswhen I leave a room. Dont tell me I shouldnt travel by plane any more!Mike: No, of course not. But we can do more to protect the environment. For example, we canhelp keep the air clean by planting trees. Trees _ the environment. In this way, wecan reduce the harm of pollution.Ken: Good! So I can enjoy my holiday, and when I come back, Ill plant some trees!Mike: Thats the idea! Maybe we can all join in and start a small forest!Step 12 ListeningListen and check () the true sentences.a) Do not throw away things made of glass, plastic and paper, but recycle them when possible.b) Take a bag when you go shopping.c) It is OK to throw used things away. Looking after them takes a lot of time.d) Turn off lights when you do not need them.初中-英语-打印版 初中-英语-打印版e) Ride a bike or walk, and do not often drive your car.f) Paper cups and bottled drinks make our life easier. We can use them as much as possible.Step 13 Listen again and complete the table.AdviceReasons1. Dont throw away things made of _, but Throwing things away is wasteful._ them.2. _ your plastic bags when you can and Plastic bags _ recycle._ with you when you go shopping.3. Use less electricity and oil to _.4. Dont leave lights on and _.5. _ and do not often drive your car.Step 14 Around the worldProducing electricity and using oilmay cause _.Earth HourRead the passage and answer the questions. When is Earth Hour held each year? Why do people switch off the lights during Earth Hour? When and where was the first Earth Hour held? Which city take part in the event today?Step 15 Module task: Discussing what you can do about pollutionWork in groups. Decide what kind of pollution you want to talk about. Choose a subject that you care about the most. It could be water pollution, air pollution,etc. Find out more information about your subject. Look it up on a website or in a book.If you choose air pollution, lets watch a video about air pollution from a factory.Do you know PM 2.5? Lets know more about PM 2.5 and protect the environment from now.Step 16 DiscussionDiscuss your subject. Take turns to say what you think about the problems and what can be done.初中-英语-打印版 初中-英语-打印版 Listen to what others say. If you agree with what they have said, say “I agree”. “Thatstrue” or “Thats a good point”; if you do not agree with what someone says, say “Imsorry, but I dont agree. I think that ”Step 17 HomeworkPresent your group ideas to the whole class.初中-英语-打印版初中-英语-打印版e) Ride a bike or walk, and do not often drive your car.f) Paper cups and bottled drinks make our life easier. We can use them as much as possible.Step 13 Listen again and complete the table.AdviceReasons1. Dont throw away things made of _, but Throwing things away is wasteful._ them.2. _ your plastic bags when you can and Plastic bags _ recycle._ with you when you go shopping.3. Use less electricity and oil to _.4. Dont leave lights on and _.5. _ and do not often drive your car.Step 14 Around the worldProducing electricity and using oilmay cause _.Earth HourRead the passage and answer the questions. When is Earth Hour held each year? Why do people switch off the lights during Earth Hour? When and where was the first Earth Hour held? Which city take part in the event today?Step 15 Module task: Discussing what you can do about pollutionWork in groups. Decide what kind of pollution you want to talk about. Choose a subject that you care about the most. It could be water pollution, air pollution,etc. Find out more information about your subject. Look it up on a website or in a book.If you choose air pollution, lets watch a video about air pollution from a factory.Do you know PM 2.5? Lets know more about PM 2.5 and protect the environment from now.Step 16 DiscussionDiscuss your subject. Take turns to say what you think about the problems and what can be done.初中-英语-打印版 初中-英语-打印版 Listen to what others say. If you agree with what they have said, say “I agree”. “Thatstrue” or “Thats a good point”; if you do not agree with what someone says, say “Imsorry, but I dont agree. I think that ”Step 17 HomeworkPresent your group ideas to the whole class.初中-英语-打印版初中-英语-打印版e) Ride a bike or walk, and do not often drive your car.f) Paper cups and bottled drinks make our life easier. We can use them as much as possible.Step 13 Listen again and complete the table.AdviceReasons1. Dont throw away things made of _, but Throwing things away is wasteful._ them.2. _ your plastic bags when you can and Plastic bags _ recycle._ with you when you go shopping.3. Use less electricity and oil to _.4. Dont leave lights on and _.5. _ and do not often drive your car.Step 14 Around the worldProducing electricity and using oilmay cause _.Earth HourRead the passage and answer the questions. When is Earth Hour held each year? Why do people switch off the lights during Earth Hour? When and where was the first Earth Hour held? Which city take part in the event today?Step 15 Module task: Discussing what you can do about pollutionWork in groups. Decide what kind of pollution you want to talk about. Choose a subject that you care about the most. It could be water pollution, air pollution,etc. Find out more information about your subject. Look it up on a website or in a book.If you choose air pollution, lets watch a video about air pollution from a factory.Do you know PM 2.5? Lets know more about PM 2.5 and protect the environment from now.Step 16 DiscussionDiscuss your subject. Take turns to say what you think about the problems and what can be done.初中-英语-打印版 初中-英语-打印版 Listen to what others say. If you agree with what they have said, say “I agree”. “Thatstrue” or “Thats a good point”; if you do not agree with what someone says, say “Imsorry, but I dont agree. I think that ”Step 17 HomeworkPresent your group ideas to the whole class.初中-英语-打印版