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1、Unit 2 Saving the EarthTopic 3 Would you like to be a greener person?SectionBThe 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 a new word and a phrase:ought to, action2. Learn some useful sentences: (1)Would you like to be a greener person? (2)First, you ought
2、to turn off the lights when you leave a room. (3)Easier said than done. (4)Well, actions speak louder than words. (5)May I have your attention, please?3. Go on learning how to protect the environment. 4. Review giving advice. . Teaching aids 教具空的塑料瓶、罐头瓶、废弃电池和其他实物/录音机/小黑板. Five-finger Teaching Plan 五
3、指教学方案Step 1 Review 第一步 复习(时间:8分钟)检查作业，复习上节课的内容；同时，对学生进行环保教育，导入对Section B的学习。(分小组向全班同学汇报上节课的作业。然后教师准备一些废弃物，通过做动作，让学生判断教师的行为是否正确。复习上节课的内容并激发学生的学习兴趣，对他们进行环保教育。)T:(教师出示一塑料瓶。) Look at this plastic bottle. Its empty and useless. Lets throw it away. (扔在地上。)Ss:Mr./Miss, Youd better not throw it away.T:Why?S
4、s:Because it can be reused. T:(教师拿出一罐头瓶。) 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! (教师指着灯，然后做关灯手势。) Oh, the light is still on. S2, would you
5、 please turn it off?S2:Sure.T:Its a good habit to turn off the lights when you are not using them. About protecting the environment, what are other good habits? Do you know?S3:We can reduce the waste we produce.S4:We should use both sides of paper.S5:Reuse plastic bags rather than throw them away.T:
6、Well done. This lesson, lets go on talking about how to protect our environment.Step 2 Presentation 第二步 呈现(时间:12分钟)创设语境，教学新单词，并通过听录音回答问题、找出重难点等形式呈现1a。1. (继续谈论有关环保的知识，导出并学习生词及目标语言，为听力扫清障碍。)T:Boys and girls, we have talked about how to protect our environment. Would you like to be a greener person?Ss:
7、Of course.T:OK. Let me tell you what we should do. We ought to save every drop of water. We had better walk or ride a bike while were traveling a short distance. Take a cloth bag or a basket instead of plastic bags when we go shopping.(板书并让学生猜其意思，适当讲解并要求掌握ought to；理解distance和cloth。)ought to=shoulddi
8、stanceclothT:Everyone should do it like this every day, but easier said than done.(板书并让学生猜测这个句子的意思。)Easier said than done.T:Would you do as what you said?Ss:Yes./Sure.T:Good. But actions speak louder than words.(板书并让学生猜测其意思，掌握action。)Actions speak louder than words. T:OK. Jane and Michael are talkin
9、g about how to be a greener person. Lets listen to 1a and answer the following questions.2. (1)(教师将已设计好的听力问题呈现在黑板上，听1a录音并核对答案。)How many pieces of advice does Jane give in the dialog?Do you think its easy to be a greener person?(2)(让学生再听1a录音，并说出简的建议。)T: Listen to the tape again, and tell Janes advice
10、.(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就环保问题给出一些建议。)S1: You ought to clean the classroom. S2: Youd better not cut down the trees. S3: 3. (让学生仔细阅读1a内容并找出重难点和同桌讨论，教师巡视，了解共性问题并讲解。可
11、简单复习不定式的用法。)T:Now, lets read 1a carefully, and find out the difficulties. Then discuss them with your deskmate.(板书并解释句型结构。)Would you like to be a greener person? Its so easy to be a greener person.Its+adj+to do sth.Step 3 Consolidation 第三步 巩固(时间:10分钟)通过做报告、复述对话的形式巩固1a，完成1b。1. (1)(让学生根据板书的重点，将对话改写成一篇
12、报告。)T: According to the main sentences, please change the dialog into a short report. (2)(要求学生复述对话。)T:Who can retell 1a? OK, S1, please!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
13、 he wants to travel a short distance, hed better walk or ride a bike, not take a bus or a taxi2. (1)(让学生看1b图片，并口头描述怎样做才能成为一个更环保的人。)T:Boys and girls, please look at the pictures about the daily life in 1b. What do they show us? Who can tell us? Hands up!S2:From a we know that we ought to save electri
14、city. S3:From b we know that S4:From c we know that S5:(2)(让学生独立完成1b，教师巡视检查学生完成情况，并以提问的方式核对答案。)T:Please match the pictures with the sentence. Then Ill ask a student to give his/her answers.(3)(引导学生进行拓展，总结更多的日常环保行为。)T:Very good! Pay attention to our daily life. There are many good habits to save ener
15、gy or protect the environment. What do you often do to improve the environment in your daily life? Who can try to tell us?S6:Take care of the wild animals. S7:Dont cut down the trees. S8:(4)(让学生根据1a，运用1b中的内容重新组织一个对话，提高其综合运用语言的能力，并且进一步增强学生的环保意识。)T: Make a new dialog like 1a according to the sentences in 1b, and practise it with your partner. Then Ill ask the volunteers to 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,
