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Step 2 Presentation 第二步 呈现(时间:14分钟) 利用图片或实物创设语言情景，呈现部分生词；并通过听录音回答问题等形式呈现1a，完成1b。
1. (教师用图片或实物引出本课的词汇和内容。)
T: If we want to be greener people, what should we do?
(教师展示图片。)
T: Is he a greener person?
Ss: No.
T: We should reuse plastic bags instead of throwing them away.(可出示一塑料袋帮助学生理解。)
(板书，让学生猜测其汉语意思，且要求掌握。)
(教师展示图片。)
T: Is she green?
Ss: No.
T: We should reduce paper cups.
(板书且要求学生理解。)
(教师展示图片或出示实物。)
T: What are these?
Ss: They are soft drink cans.
(教师帮助学生回答并板书，要求学生理解can。)
T: How shall we deal with them?
Ss: We should collect them for recycling.
(教师让学生看图片，帮助学生总结环保方面的知识。)
T: Now, we know we should reduce, reuse and recycle some things to protect our environment. We call them the three Rs.
(板书并要求学生理解the three Rs的含义。)
the three Rs—reduce, reuse and recycle
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T: It is not hard for us to protect the environment. We can encourage people around us to be
greener people. Would you like to do so?
Ss: Sure.
T: Protecting our environment is our duty. That is to say, everyone is supposed to do that. It means everyone should do that.
(板书并要求学生掌握。)
T: Now what can we do at home to protect the environment? Please listen to the tape, then find out the answer.
(教师放1a录音，让学生不看书回答问题。)
T: Can you find out the answer?
(师生共同核对答案。)
2. (让学生再听1a录音，回答小黑板上的问题，为完成1b做铺垫。)
T: Please listen to the tape again, then try to answer the questions on the small blackboard.
(展示小黑板。)
(1) Who is working for an organization that protects the environment?
(2) What’s her main job?
(3) Should we use both sides of paper?
(4) Why is the recycling useful?
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(师生共同核对答案。)
Step 3 Consolidation 第三步 巩固(时间:10分钟) 通过跟读录音、两人对话、复述课文等形式巩固1a。
1. (让学生跟读1a录音并完成1b。)
T: Please read the conversation after the tape, then finish 1b.
(核对答案。)
2. (学生两人一组练习对话，然后抽查几组学生，以检验活动成果。)
T: Please work in pairs. Then I’ll ask some pairs to act it out.
3. (让学生再读1a，并找出关键词，为下步复述做铺垫。)
T: Please read the conversation again, and try to find the key words.
4. (让学生运用关键词复述1a，培养学生的语言组织能力和表达能力。)
T: Now, I’ll ask some students to retell1a. Please try to speak with your own words.
Example:
S1: I’m Jane and I’m studying at Ren’ai 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) 听录音，完成2，让学生掌握科学处理生活垃圾的方法。然后导入学习并列句，完成3。
1. (让学生听录音，完成2。)
T: Please listen to the tape carefully. You’ll hear four people talking about environment protection. Then finish 2.
(听两遍录音后，师生共同核对答案。)
2. (教师让学生判断下列句子陈述的内容是否是改善环境的行为，引出while, but, and, or引导的并列句。)
(展示小黑板。)
(1) We should use plastic bags as few as possible.
(2) We should throw the garbage 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.
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T: Look at the five sentences. If you think the statement is good for our environment, you nod your head, and it means agreement, (教师做点头状并重读nod。) or you shake your head, and it means disagreement. (教师做摇头状并重读shake。)
(板书且要求学生掌握。)
(师生共同核对答案。)
(教师出示小黑板上的句子。)
(1) You nod your head and it means agreement.
(2) Hurry up, or you’ll miss the train.
(3) Water is important but some people don’t save it.
(4) Some people protect animals while others kill animals.
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(教师让学生讨论画线部分的单词在句中起到什么作用，前后两个句子是什么关系。)
T: Let’s look at the sentences. Pay attention to the words underlined. What’s the function of them? What’s the relation of the two parts in each sentence?
(学生讨论后，教师引导学生一起分析这些句子，总结归纳并列句的用法。)
并列句
①表示并列关系，用and…
②表转折，用but, while…
③表选择，用or…
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3. (让学生依照3中的例句，完成3，巩固练习并列句。)
T: Please join the sentences in 3 with “or”, “and”, “but” or “while” after the example.
(学生完成后，教师检查并核对答案。)
Step 5 Project 第五步 综合探究活动(时间:4分钟) 通过对生活垃圾的不同处理方式的引导，让学生增强环保意识。
1. (教师利用多媒体，呈现一些生活垃圾的图片，让学生判断怎样科学地处理它们才能更环保。)
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 a short passage about the three Rs in your daily life.
板书设计：
Would you like to be a greener person? Section A be supposed to do sth. 1. You nod your head and it means agreement.
reduce 2. Hurry up, or you’ll miss the train.
the three Rs— reuse 3. Water is important but some people don’t save it.
recycle 4. Some people protect animals while others kill animals.
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Section B The main activities are1aand2a. 本课重点活动是1a和2a。
Ⅰ. Teaching aims and demands 教学目标 1. Learn a new word and a phrase:
ought to, action
2. Learn some useful sentences:
(1)Would you like to be a greener person?
(2)First, you ought 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.
Ⅱ. 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
Ⅲ. Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:8分钟) 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. It’s empty and useless. Let’s throw it away. (扔在地上。)
Ss: (教师可提示学生回答)Mr./Miss…, You’d better not throw it away.
T: Why?
Ss: Because it can be reused.
T: (教师拿出一罐头瓶。) Here is a can. It’s not useful. S1, please throw it out of the window.
S1: Sorry. Mr./Miss…, I can’t do that. We must protect our environment and it can be 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 please turn it off?
S2: Sure.
T: It’s a good habit to turn off the lights when you are not using them. To protect the environment, what good habit should we have?
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.
…
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: 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 we’re 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=should
distance
cloth
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T: In fact, it’s so easy in our daily life, but easier said than done.
(板书并让学生猜测这个句子的意思。)
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.
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T: OK. Jane andMichael are talking about how to be a greener person. Let’s listen to1aand 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。)
①How many pieces of advice does Jane give in the conversation?
②Do you think it’s easy to be a greener person?
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(2)(让学生再听1a录音，并说出简的建议。)
T: Listen to the tape again, and tell Jane’s advice.
(教师板书。)
First, you ought to turn off the lights …
Second, you’d better walk or ride a bike instead of …
Third, take a cloth bag when …
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(要求学生跟读这些句子，并用ought to和You’d better就环保问题给出一些建议。)
S1: You ought to clean the classroom.
S2: You’d 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。可简单复习不定式的用法。)
T: Now, let’s read1acarefully, and find out the difficulties. Then discuss them in pairs.
(板书并解释句型结构。)
Would you like to be a greener person?
It’s so easy to be a greener person.
It’s+adj+to do sth.
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Step 3 Consolidation 第三步 巩固(时间:10分钟) 通过做报告或复述对话的形式巩固1a，完成1b。
1. 方案(1)(让学生根据板书的重点，将对话改写成一篇报告。)
T: According to the main sentences, please change the dialog into a short report.
方案(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 he wants to travel a short distance, he’d better walk or ride a bike, not take a bus or a taxi…
2. (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 electricity.
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 sentences. Then I’ll 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 energy 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: Don’t 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 conversation like1aaccording to the sentences in 1b, and practise it with your partner. Then I’ll ask the volunteers to act it out.
Example:
S9: Hi, S10. Would you like to be a greener person?
S10: Of course, I’d love to. But what should I do?
S9: First, reduce waste. Don’t buy bottles or boxes which people can use only once.
S10: Oh, that’s easy. What’s next?
S9: Second, recycle boxes and plastic bottles.
S10: That’s right. …
S9: …
Step 4 Practice 第四步 练习(时间:10分钟) 创设语境，教学生词，采用多种阅读形式，呈现并完成2a。
1. (创设语境，呈现2a中的生词。)
T: Great! Boys and girls, I think you’re greener persons, and tomorrow isBeachClean-up Day. Would you like to do something?
Ss: Sure./Of course.
T: Our class will take part in the activity. Please prepare some big bags so that we can sort the garbage.(教师出示一些废弃的电池、饮料瓶、塑料袋等实物，并引出生词battery。)
(板书并要求学生理解。)
T: Pay attention, please. Remember to be on time.
Ss: (学生很自然会问)What time will we meet?
T: Listen to the tape and you’ll find the answer.
(听完核对答案。)
2. (读2a，完成小黑板上的表格。)
What time |
| Where to go |
| How to go |
| What to do |
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(核对答案。)
3. (听2a录音，让学生跟读，并帮助学生掌握口头通知的要点。)
T: Listen to the tape and repeat it. At the same time, pay attention to the forms of the notice.
4. (教师改动小黑板上的表格内容，要求学生根据新表格的内容，写一则通知，培养学生的写作能力。)
What time | 9:00 a.m.
| Where to meet | outside the school gate
| How to go | by bus
| Lunch | take food and drink by yourselves
| What to do | plant trees, collect garbage
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T: Look at the form, write a notice for Tree Planting Day, then report it in front of the class. You have five minutes to write. OK! Let’s begin!
(教师在学生中巡回指导。)
T: OK! Are you ready?
Ss:Yes.
T: Show your notice. Volunteers?
S1:Boys and girls,
Tomorrow is March 12th. It’s Tree Planting Day. We decide to go to the 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 9:00 inthe morning. Then we’ll go there by bus and be there at about 13:00. So remember to take food and drink by yourselves. In the afternoon we’ll 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.
That’s all. Thank you.
T: Your speech is wonderful. Anyone else?
S2: …
Step 5 Project 第五步 综合探究活动(时间:5分钟) 让学生通过对日用物品的科学分类，增强环保意识，争做绿色环保使者。
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2c。同时尽可能多地呈现一些可以减少使用、再使用和回收再利用的日用物品。)
T: Look at the objects in2c. Which can be recycled, reused or reduced? Now, please work in pairs and try to sort them.
2. Homework:
Collect some ways of saving energy in our daily life.
板书设计：
Would you like to be a greener person? Section B ought to Would you like to be a greener person?
travel a short distance It’s so easy to be a greener person.
Clean-up Day Easier said than done.
It’s+adj+to do sth. Actions speak louder than words.
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Section C The main activities are1aand 2. 本课重点活动是1a和2。
Ⅰ. Teaching aims and demands 教学目标 1. Learn some new words:
technology, electric, wheel, steel
2. Go on learning some compound sentences:
(1) In many countries, people produce power from coal, but it is very dirty and causes acid rain.
(2) Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used.
3. Learn the advantages and disadvantages of some kinds of energy.
Ⅱ. Teaching aids 教具 挂图/图片/小黑板或幻灯片/录音机
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:10分钟) 通过对节能环保知识的复习讨论，导入新课，教学部分生词。
1. (通过对上一课1a的复习，强调怎样做才能成为绿色使者, 进一步增强学生的环保意识，同时也营造一种英语氛围，激发学生的学习兴趣。)
T: Can you remember what we have learned in Section B?
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发表于 2013-9-16 07:47:14
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