仁爱版英语教学案例九上Unit2 Topic3.doc

Unit 2Topic 3 Section AThe main activities are 1a and 3. 本课重点活动是1a和3。. Teaching aims and demands 教学目标1. Learn some new words:encourage, suppose, nod, agreement, shake 2. Learn the compound sentence. 3. Learn to talk about the protection of environment. Teaching aids 教具录音机/多媒体图片/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:8分钟) (师生互动，复习上个话题的内容，练习学生的听、说能力。)T: We talked about the harm of pollution in the last topic. And we know there are many kinds of pollution, such as water pollution, air pollution, light pollution, litter and so on. How do these kinds of pollution affect our environment?(教师以竞答的方式喊学生个别回答。)Example:S1: Water pollution makes some animals dead. S2: Water pollution makes some plants dead. S3: People and animals cant drink the water. S4: Air pollution causes the greenhouse effect. S5: Air pollution makes people sick and even causes cancer. S6: Air pollution destroys the ozone layer. T: Yes, you are right. You know, all kinds of pollution are polluting our environment. So we are facing the serious pollution problems. What should we do to improve our environment? (学生分组讨论，然后回答。) Group 1: Dont spit everywhere. Dont pick the flowers. Plant more trees. Group 2: Ask the government to make rules and pull down some chemical factories. Ask people to use electricity. T: Very good! You have so many good ideas to improve our environment. Would you like to do something useful to improve our environment?Ss:Yes, Of course. T: Me, too! OK, lets be greener people together. Today, well learn Topic 3. Would you like to be a greener person?(板书)Would you like to be a greener person?Step 2 Presentation 第二步 呈现(时间:16分钟)1. (教师用图片引出本课的词汇和内容。)T: If we want to be greener people, what should we do at home?(教师展示图片。)T: Lets look at the picture. What are they?Ss:They are plastic bags. T: Yes. But we should use plastic bags as few as possible. In another way, We should reduce them. (教师释义并领读reduce。)T: What kinds of bags should we use?(教师展示图片。)T: We can use bags like these. We can use them again and again. That is to say, we can reuse them instead of throwing them away. (教师释义并让学生重复读reuse。) (教师展示图片。)T: What are they in the picture?Ss:(回答不出。)T: They are cans. They are soft drink cans. Should we throw them away after we drink?Ss:No. T: Youre right. we should collect them for recycling. (教师让学生看图片，总结。)T: Now, we know, we should reduce, reuse and recycle some things at home to protect our environment. We call the three Rsreduce, reuse and recycle.(板书)the three Rsreduce, reuse and recycleT: Everyone should protect our environment. Its our duty to do it. That is to say, Everyone is supposed to do it.(板书)be supposed to do sth.2. T: Now we know how to protect the environment at home. What can we do at school to protect the environment? Please listen to the tape, then find out the answer. (教师放录音1a，让学生不看书回答问题。)T:Can you find out the answer?(教师与学生核对答案。)3. (让学生再次听录音，回答小黑板上的问题，为下面完成1b做铺垫。)T: Please listen to the tape again, try to answer the questions on the small blackboard. (出示小黑板。)1. Who is working for an organization that protects the environment?2. Whats Kellys job?3. Should we use both sides of paper?4. Why is the recycling useful?(教师与学生核对答案。)4. (让学生根据1a完成1b。) T: Please fill in the blanks according to 1a. (学生完成后与教师核对答案。)Step 3 Consolidation 第三步 巩固(时间:7分钟)1. (让学生跟读录音1a。)T: Please read the dialog after the tape. 2. (让学生两人一组对话, 以此方式多读几遍，然后检查几组学生，以检验活动成果。)T: Please work in pairs, you and your deskmate play different roles to practice 1a. After a while, Ill ask some groups to act it out. 3. (让学生来复述1a，以检查学生的语言组织能力。)T:Now, Ill ask some students to retell 1a. please try to speak in your own words. For example:S1: Im Kelly and studying at Renai International School. In my spare time, I am working for an organization that protects the environment Step 4 Practice 第四步 练习(时间:10分钟)1. (让学生听录音，完成2。)T:Please listen to the tape carefully, youll hear four people talking about recycling items, and finish 2.(学生若是听后完成表格有问题，可再放一遍，然后教师与学生核对答案。)2. (教师让学生判断一组陈述句是否是改善环境的行为，引出语法 while, but, and, or引导的并列句。) (出示小黑板。)1.We should use plastic bags as few as possible.2.We should throw the rubbish in the river.3.We should reduce the waste we produce.4.We should use both sides of paper.5.We should throw the plastic bags rather than reuse them.(教师与学生核对答案。)T: Look at the five sentences. If you think the statement of the sentence is good for our environment, you nod your head, and it means agreement, (教师做点头状并重复读nod。) or you should shake your head, it means disagreement. (教师做摆手状。) (板书)nod, agreement, disagreement (教师出示小黑板上的句子，讲解While, but, and, or引导的并列句。)1. You nod your head, and it means agreement. 2. You nod your head, or you should shake your head. 3. Water is important to people, but some of them dont save it. 4. Some people protect animals while others kill animals. (教师让学生仔细看画线部分的单词在句中起到什么作用，并且看前后两个句子是什么关系。)T:Lets look at the sentences. Pay attention to the words underline, whats the usage of them? Whats the relation of the two sentences in each sentence?(让学生讨论后，教师与学生一起分析这些句子，然后教师引导学生，师生一起总结并列句。)1. 并列句的定义2. 并列句的用法(1)表示并列关系，用and(2)表转折，用but, while(3)表选择，用or3. (让学生看3中的例句，完成句子。)T:Please join the sentences in 3 with “or, and, but or while” after the model. (学生完成后，教师检查核对答案。)Step 5 Project 第五步 综合探究活动(时间:4分钟)1. (教师用多媒体呈现一些垃圾图片，让学生判断。)T: Look at these objects in the picture. Which can be reused, reduced or recycled?(教师让学生分组讨论，回答并核对答案。)2. Homework:Write an article about the three Rs in your daily life. 板书设计：Would you like to be a greener person?Section A1. You nod your head, and it means agreement. 2. Work hard, or you will fail the exam. agreement disagreement3. She was busy cooking while they were watching TV.4. The earth is beautiful , but people hurt it now.be supposed to do sth. reducethe three RsreuserecycleSection BThe main activities are 1a and 2a. 本课重点活动是1a和2a。. Teaching aims and demands 教学目标1. Learn some new words and useful expressions:ought to, turn off, action, on time.2. Go on learning to protect the environment. 3. Review giving advice. . Teaching aids 教具录音机/小黑板/一只塑料瓶/罐头瓶/别的实物. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:15分钟)1. (分小组向全班同学汇报上节课的作业。教师准备一些垃圾并做些动作，学生判断正误，并纠正老师的行为，既激发兴趣又复习上节课内容。进行环保教育。)T:(教师出示一塑料瓶) Look at this plastic bottle, its empty. Lets throw it away.(扔在地上)Ss:Mr./Miss, you are wrong. T:Why?Ss:Because it can be reused. T:(教师出示一罐头瓶。) Here is a can. Its not useful. S1, please throw it out of the window. S1:Sorry. Mr./Miss, I cant do that. We must protect our environment and it can be collected and recycled. T:What a greener person! We all should protect the environment around us. We need to reduce the waste we produce. We should use both sides of paper, and reuse plastic bags rather than throw them away, but actions speak louder than words. S2, could you pick up the plastic bottle on the floor for me?S2: Certainly. (学生拾起。)(板书)Actions speak louder than words. T: Thank you. S2, you are a good student. Everybody should do it like this every day, but easier said than done. (板书)Easier said than done. (先让学生猜这两个句子的意思，教师再解释，并领读。)2. (进行一个分组练习，比比谁是绿色使者。)T: Everybody would like to become a greener person. But its not easy, who is greener? First compare with your partner, say how to be a greener one by one, then Ill ask several pairs to compare.(几分钟后，点出几组学生来比一比。)S3: Dont use plastic bags. S4: Dont spit in a public place.S3: Turn off the lights when you leave a room.S4: Save water when you wash your hands. (教师进行鼓励总结，导出新单词。)T: According to your views, we know that we can do lots of things to protect the environment at school and at home. For example, we ought to save every drop of water and turn off the lights when we leave a room. Wed better walk or ride a bike while were traveling a short distance. Take a cloth bag and dont use plastic bags when we go shopping. (板书)ought to=shouldturn off turn ontravel a short distance Step 2 Presentation 第二步 呈现(时间:10分钟)1. (1)(教师将已设计好的听力问题呈现在黑板上。)(1) Would Michael like to be a greener person?(2) When you go shopping, do you take a cloth bag or plastic bags?(2)(让学生听录音1a，并回答问题。)(3)(让学生再听录音，并说出简的建议。)T: Listen to the tape again, and tell Janes advice.(教师板书。)First, you ought to turn off the lights Second, youd better walk or ride a bike instead of Third, take a cloth bag when (要求学生跟读这些句子，并用ought to和Youd better来提一些环保建议。)S1: You ought to clean the classroom. S2: Youd better not cut down the trees. S3: 2. (让两位同学读1a，别的同学认真听，并找出重难点和同桌讨论，教师深入学生中，了解共性问题并讲解，可简单复习不定式。)T:Now, Ill let two students read 1a for us. The others listen carefully, and find out the difficulties you dont understand. Pay attention to the stress and intonation. (板书并复习)Its easy to be a greener person.Its+adj+to do sth.Would you like to be a greener person? Step 3 Consolidation 第三步 巩固(时间:8分钟)1. (1)(学生根据板书的重点，改写对话成一篇报告。)T: According to the main sentences. Please change the dialog into a short report. You have two minutes. (2)(要求学生复述对话。)S1: Michael would like to be a greener person. Jane gives him three pieces of advice. She tells him that he ought to turn off the lights when he leaves a room. when he wants to travel a short distance, hed better walk or ride a bike, not take a bus or a taxi2. (1)(让学生独立完成1b，教师检查并以提问的方式核对答案。)T: Please match the letters with the sentences. One minute later, Ill ask a student to give his/her answers, then check our answers together. (2)(让学生读1b中的句子，熟悉内容，为下步做准备。)(3)(让学生来看这些图片，加强环保节能方面的教育。)T: Boys and girls, please look at the pictures about the daily life. What do they show us? Who can tell us? Hands up!S2:Picture a shows us that we ought to save electricity. S3:Picture b shows us that S4:Picture c shows us that S5: (4)(要求学生进行拓展，总结更多的日常环保行为。)T: Very good! Pay attention to our lives around us every day. There are many good habits to save energy or protect the environment. Who can try to tell us?S6:Take care of the wild animals. S7:Dont cut down the trees. S8: (5)(根据1a，应用1b中的内容再来重新组织一个对话。)T: Make a new dialog like 1a according to the sentences in 1b, practise it with your partner. Later the volunteers act it out. Example:S9: Hi, S10. Would you like to be a greener person?S10: Of course, Id love to, but what should I do?S9: First, Reduce waste. Dont buy bottles or boxes which people can use only once. S10: Oh, thats easy. Whats next?S9: Second, recycle boxes and plastic bottles.S10:Thats right. S9: Step 4 Practice 第四步 练习(时间:8分钟)1. (1)(放录音2a，听听力并完成小黑板上的表格。)What timeWhere to goHow to goWhat to do(2)(学生跟读2a，把新单词和重点内容画出来。)T: Listen to the tape and repeat. At the same time, draw a line under the new words and important points.(3)(板书新单词和重点内容，要求学生猜出词义。)Clean-up Day, on time T: Now, who can guess the meanings of them?(4)(再次齐读课文，了解要点为下一步写作打基础。)(5)(改填表格内容，要求学生写一则通知，训练学生的写作能力。出示小黑板。)What time8:00WhereOutside the school gateHow to goBy busLunchTake food and drink by yourselfWhat to doPlant trees, collect garbage T: Look at the form, write a note for Tree Planting Day, then report it in front of the class. You have three minutes to write. OK! Lets begin! (教师在学生中巡视，并给予指导。)T:OK! Are you ready? Who can show your note?Ss:Yes. (学生举手)S1:Boys and girls, Tomorrow is March 12th, Its Tree Planting Day. We decide to go to West Hill to plant trees. I hope everyone in our class will take an active part in the activity. We will meet outside the school gate at 8:00 in the morning, then go there by bus. In the afternoon well plant trees and collect the garbage. There will be a lot of work to do tomorrow, so make sure you have a good rest tonight. See you tomorrow. T: Your speech is wonderful, who else?S2: Step 5 Project 第五步 综合探究活动(时间:4分钟)1. (和同桌讨论可以减少使用、再使用或回收再利用的各种东西，以此来完成2b。同时尽可能多地呈现一些可三Rs的日用物品，观点可能会出现分歧。)T: Now, please work in pairs and try to complete 2b. 2. (教师再呈现一些实物，让学生判断。)T: Look at these objects together. Do you think they can be recycled, reused or reduced?3. Homework:(1) Write an article about three Rs. (2) Tell your family and friends how to save energy. 板书设计：Would you like to be a greener person?Section Bought toIts easy to be a greener person. turn off turn onIts+adj+to do sth. travel a short distanceWould you like to be a greener person?Clean-up DayEasier said than done. on timeActions speak louder than words.Section CThe main activities are 1a and 2. 本课重点活动是1a和2。. Teaching aims and demands 教学目标1. Learn a new word:electric2. Learn some compound sentences:(1) They work well, but they are slow and cant run for long. 3. Learn some Finds of energy and their advantages and disadvantages. Teaching aids 教具录音机/挂图/图片/幻灯片/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:12分钟)1. (1)(通过对上一课1a的复习，强调怎样做才能成为绿色使者, 进一步增加学生的环保意识，同时也创造一种英语氛围。)T: Can you remember what we have learned in Section B?Ss:Yes. T: Can you remember Jane and Michael?Ss:Yes.(教师可以出示上一课 1a图片。)T: What are Jane and Michael doing?Ss:They are talking about how to be a greener person. T: What should they do?Ss:First, turn off the lights when leaving a room. T: What about the next?Ss:Walk or ride a bike instead of taking a bus or a taxi T: Very good, please go on. Ss:Take a cloth bag when we go shopping. T: Great. Its easier said than done. So take action from now on. (通过整体复习为学生复述课文打下基础。让部分学生听到他们没有学会的生词或句子，是知识的一种复现。)2. (学生小组讨论节约能源的各种方法，以旧带新，导入新课主题。)T: Its known that China is a big country. It has a large population. So we must not only protect our environment but also save energy, such as water, electricity, farmland. Now discuss this problem in pairs: What should we do to save energy? Do you understand?Ss: Yes. (学生分组讨论，鼓励学生说出日常所观察到的情况。)T: Well, Im sure you make up some new ideas to save energy, and now lets compare whose ideas are better and greener. Whos the volunteer? Please hands up!S1:Dont drive a car if you travel a short distance.S2:Write on both sides of the paper. S3:Dont use the things that can be used only once. S4:After we wash faces, we can use the used water to wash clothes or toilets. S5:Take a cloth bag when we go shopping. S6:Turn off the TV set while you are away. S7: (鼓励学生借助肢体语言、图画，尽可能地把想法表达出来，激发学生的热情，培养创造性。)T: Good ideas! Thank you, boys and girls! Which idea is better and greener? S8:I think S7s is better and greener. 3. (通过学生对节能环保知识的讨论，老师引出文中所讲的新环保事物，出示1a的挂图，导入新课内容，教授生词。)T: Look at the pictures. Maybe they are the new things that you havent known. They show us some forms of energy. Some of them may do less harm to our enviromment. Whats it in Picture a?Ss:Its a car. T: Is it strange and beautiful?Ss:Yes. T: Its an electric car. It works well, but its slow and cant run for long. (板书并讲解)electricelectricityelectric carT: Whats it in Picture b? Who knows it?S9:Its a train. It can run fast. T: Youre right. Its a Maglev Train. Its advantages are quiet, fast, clean, but its too expensive. (教师领读并解释。)(学生复述句子。)(通过同样的方法，让学生学习文中1a几幅图中介绍的事物。)Step 2 Presentation 第二步 呈现(时间:10分钟)1. (要求学生在字典中快速地查出1a中生词的意义，培养学生快速查阅字典的能力。)T: Take out your dictionary. Look up the new words in 1a as quickly as passible then get the proper meanings in the passage. (要求一个学生来读生词，说出它们的意思并让其他学生在书中相应位置标出汉语意思。)2. (让学生快速阅读课文1a中的2，判断下列句子正误。用幻灯片出示句子。)( ) Its good that people produce power from coal. ( ) Nuclear power is dangerous. So we cant use it. ( ) The car that used animal waste to run worked well. ( ) The electric cars can run a long distance. ( ) The Maglev Train can be used in most of China. ( ) In Wales water pushes the trains up and down the hill.3. (播放1a的录音，学生跟读，注意语音语调，训练学生读的能力并再次理解课文。)4. (学生再次阅读1a，找出疑难点后，鼓励其他学生作答。)T: Read 1a again, find out the key points you dont understand, then Ill ask the others to help you. (之后，要学生举手提出问题和回答问题。)S1:I dont know the meaning of this sentence“The water trains in Wales use water to up the hill.”T: Who can help S1? Please hands up S2.S2: (教师同时对重点内容给予讲解。)2. (要求学生阅读1a课文，并准备填写1b表格。明确读的任务，有助于提高阅读效率。)T: Look at the form in 1b. Read the passage again and fill in the form. (几分钟后。)T: Discuss the answers in your groups. Then lets check them together.(先让学生在小组内讨论，然后师生一起核对答案。)(教师板书。)MaterialAdvantageDisadvantageUsed or not in ChinaCoalproduce electricitydirty and dangerous usednuclear energyproduce electricitydangerous usedanimal wastecheapsmell terrible not usedMagnetsquiet, fast and cleanexpensive usedWaterpush a train up downslow not used3. (通过学习1b的表格，为学生复述课文打下了基础。)Step 3 Consolidation 第三步 巩固(时间:8分钟)1. (学生快速阅读1a两次后，师生问答理解文章大意。)T: Read this passage in 1a and try to find what the passage is mainly about. Then answer my questions.(1) T: What are the advantages and disadvantages of coal? Ss: Cheap, dirty, dangerous.(2) T: What are the advantages and disadvantages of nuclear power? Ss: Dangerous and expensive.(3) T: What about animal waste? Ss: Cheap but smells terrible.(4) T: And electric car? Ss: Work well but can not run for long.(5) T: What are the advantages and disadvantages of Maglev Train? Ss: Quiet, fast, clean but too expensive.(6) T: What about the water trains? Ss: Very cheap but slow.(7) T: What is the main idea of this passage? Can you give a best title for this passage? Ss: Some different ways of producing power.2. (教师出示1a图片。)T: Now look at t