Topic 3 Let’s be greener people(广东省韶关市北江区)

Unit 2
Topic 3
Section A
The main activities are 1a and 3. 本课重点活动是1a和3。
Ⅰ. 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.
Ⅱ. Teaching aids 教具
录音机/多媒体图片/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)
(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 can’t 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: Don’t spit everywhere.
Don’t 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, let’s be greener people together. Today, we’ll 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: Let’s 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: You’re 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 Rs—reduce, reuse and recycle.
(板书)
the three Rs—reduce, reuse and recycle
T: Everyone should protect our environment. It’s 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. What’s Kelly’s 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, I’ll 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, I’ll ask some students to retell 1a. please try to speak in your own words.
For example:
S1: I’m Kelly and 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)
1. (让学生听录音，完成2。)
T: Please listen to the tape carefully, you’ll 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 don’t 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: Let’s look at the sentences. Pay attention to the words underline, what’s the usage of them What’s 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or……
3. (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 A 1. You nod your head, and it means agreement. 2. Work hard, or you will fail the exam. agreement disagreement 3. 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 Rs— reuse recycle
Section B
The main activities are 1a and 2a. 本课重点活动是1a和2a。
Ⅰ. 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.
Ⅱ. Teaching aids 教具
录音机/小黑板/一只塑料瓶/罐头瓶/别的实物
Ⅲ. 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, it’s empty. Let’s 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. 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 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 it’s not easy, who is greener First compare with your partner, say how to be a greener one by one, then I’ll ask several pairs to compare.
(几分钟后，点出几组学生来比一比。)
S3: Don’t use plastic bags.
S4: Don’t 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. We’d better walk or ride a bike while we’re traveling a short distance. Take a cloth bag and don’t 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 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 …
(要求学生跟读这些句子，并用ought to和You’d better来提一些环保建议。)
S1: You ought to clean the classroom.
S2: You’d 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, I’ll let two students read 1a for us. The others listen carefully, and find out the difficulties you don’t understand. Pay attention to the stress and intonation.
(板书并复习)
It’s easy to be a greener person.It’s+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, he’d better walk or ride a bike, not take a bus or a taxi…
2. (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, I’ll 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:Don’t 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, 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:8分钟)
1. (1)(放录音2a，听听力并完成小黑板上的表格。)
What time
Where to go
How to go
What 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 time 8:00 Where Outside the school gate
How to go By bus Lunch Take food and drink by yourself
What to do Plant 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! Let’s 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, It’s 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 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.
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 to It’s easy to be a greener person. turn off turn on It’s+adj+to do sth. travel a short distance Would you like to be a greener person Clean-up Day Easier said than done. on time Actions speak louder than words.
Section C
The main activities are 1a and 2. 本课重点活动是1a和2。
Ⅰ. Teaching aims and demands 教学目标
1. Learn a new word:
electric
2. Learn some compound sentences:
(1) They work well, but they are slow and can’t run for long.
3. Learn some Finds of energy and their advantages and disadvantages.
Ⅱ. Teaching aids 教具
录音机/挂图/图片/幻灯片/小黑板
Ⅲ. 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. It’s 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: It’s 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, I’m sure you make up some new ideas to save energy, and now let’s compare whose ideas are better and greener. Who’s the volunteer Please hands up!
S1:Don’t drive a car if you travel a short distance.
S2:Write on both sides of the paper.
S3:Don’t 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 S7’s 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 haven’t known. They show us some forms of energy. Some of them may do less harm to our enviromment. What’s it in Picture a
Ss:It’s a car.
T: Is it strange and beautiful
Ss:Yes.
T: It’s an electric car. It works well, but it’s slow and can’t run for long.
(板书并讲解)
electric—electricityelectric car
T: What’s it in Picture b Who knows it
S9:It’s a train. It can run fast.
T: You’re right. It’s a Maglev Train. Its advantages are quiet, fast, clean, but it’s 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。)
①( ) It’s good that people produce power from coal. ②( ) Nuclear power is dangerous. So we can’t use it. ③( ) The car that used animal waste to run worked well. ④( ) The electric cars can run a long distance. ⑤( ) The Maglev Train can be used in most of China. ⑥( ) 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 don’t understand, then I’ll ask the others to help you.
(之后，要学生举手提出问题和回答问题。)
S1:I don’t 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 let’s 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。)
Material Advantage Disadvantage Used or not in China
Coal produce electricity dirty and dangerous used
nuclear energy produce electricity dangerous used
animal waste cheap smell terrible not used
Magnets quiet, fast and clean expensive used
Water push a train up down slow not used
3. (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 the pictures and the form on the blackboard, retell the passage.
Step 4 Practice 第四步 练习(时间:10分钟)
1. (小组讨论更多更新发电的方法，导入下文。)
T: We know that people can produce electricity in many ways. Such as from coal or nuclear power. Even in the old days in England, people used animal waste to run a car. And there are electric cars in many countries. Maglev Train is used in Japan. The Water trains in Wales use water to push a train down a hill while pulling another train up the hill. Now who can tell us some other ways of producing electricity
S1: Using the sunlight to produce electricity.
S2: Using wind to produce electricity in the deserts.
S3: Using water in the sea to produce electricity.
S4: …
2. (教师出示2中的挂图，说出四幅图中采用四种方式发电的优点，并练习此部分完成2。)
T: Now please look at the four pictures, match the pictures with the sentences. (让学生猜出
movement的意思。)
3. (要求学生在本课找出含有but, and, while的复合句并朗读。)
(依照文中的句子，说出类似的句子。)
T: Could you make sentences with them Now, please have a try.
S6: I’d love to, but I have to finish my report first.
S7: He came up to her and she gave him a hug.
S8: Could you take care of my dog while I’m away.
S9: …
4. (1)(教师用小黑板出示下列提示词，要求学生抢答造句，为下文写作打下基础，同时复习本课内容。)
take part in, reduce, reuse, recycle, protect, save …
T: Now I’ll give you some words or phrases. According to them, make sentences and speak them out as soon as possible. Are you ready
Ss: Yes.
T: “take part in”
S11: I took part in the activities to collect rubbish.
T: “reduce”
S12: People ought to reduce plastic, coal …
T: …
S13: …
(2)(根据学生说的内容，让学生写一篇作文，提出关于保护环境的方法。)
Step 5 Project 第五步 综合探究活动(时间:5分钟)
1. (填写表格，让学生学会如何节约能源，更加合理地利用能源，以增强学生的环保意识。)
T: Look at the form and think about things we should do every day and things we should not do to protect the environment, and what materials or waste things we can reuse, recycle and reduce.
DayThingName Mon. Tue. Wed. Thur. Fri. Sat. Sun.
to do not to do to do not to do to do not to do to do not to do to do not to do to do not to do to do not to do
S1
S2
S3
S4
T: Discuss in groups and finish it as quickly as possible.
(几分钟后)
T: Who’d like to be an volunteer Report it to the class.
S: …
2. List as many good habits of protecting the environment as you can. Finish 3.
3. Homework:
T: Turn to your parents and your friends and try to find some other kinds of materials that can produce electricity.
板书设计：
Would you like to be a greener person Section Celectric (adj. )——electricity (n. ) 1. Electric cars work well, but they are electric car slow and can’t run for long. push … down 2. The water trains in Wales use water to pull … up push one train down a hill while pulling another train up the hill.
Section D
The main activities are 1a and 3. 本课重点活动是1a和3。
Ⅰ. Teaching aims and demands 教学目标
1. Learn a new word:
towel
2. Review some compound sentences:
(1) They work well, but they are slow and can’t run for long.
(2) About 35% of the rubbish in Hong Kong can be recycled every year while the rest can’t.
3. Learn how to be a greener person.
Ⅱ. Teaching aids 教具
教学挂图/小黑板
Ⅲ. Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步 复习(时间:12分钟)
1. (师生互动，复习前三节课的内容，营造英语氛围。)
(1)T: In this topic we have learned something about how to be a greener person. Can you say something about three“Rs”
Ss: Reduce, reuse and recycle.
T: What does “reduce” mean
Ss: It means“make something less or smaller”.
T: Then what should we reduce
Ss: We should reduce the things which people can use only once.
T: Good! And what does“reuse”mean
Ss: “Reuse”means“use it again”.
T: What should we reuse
Ss: We should reuse plastic bags. Give our old clothes to our friends.
T: What about“recycle”
Ss: It means we collect waste papers or soft drink cans and sort them so that they can be recycled.
T: It’s true. However, easier said than done.
2. (1) (听句子，判断对错，训练学生听力技能，复习总结怎样成为绿色使者。)
T: We know that the rubbish produced every day is becoming a serious problem. What should we do to protect our environment I list some good or bad habits. Now listen to me carefully. Tell me whether it’s good or bad, and try to write down the good habits. Now be ready!
(1) Throw the rubbish here and there.
(2) Don’t spit in a public place.
(3) Draw a beautiful picture on the public walls.
(4) Don’t throw thing away if they can be reused.
(5) Go to school by bike instead of by bus.
(6) Collect the rubbish and try to sort them.
(7) Pour dirty water into rivers directly.
(8) Turn off the lights when you go out.
(教师边说边观察，如果有必要可多读两遍，让学生能一边回答一边记下来，为下步作准备。)
(2)(要求学生两人一组根据上面的内容，编一个对话谈论怎样成为绿色使者。鼓励学生尽可能对本单元内容进行整合。)
T: Now make your own dialog to talk about how to be a greener person with your partner.
(几分钟后，教师抽查效果。)
S1: …
S2: …
(教师进行鼓励和评价，总结内容同时导入新课。)
Step 2 Presentation 第二步 呈现(时间:10分钟)
1. (教师出示1a中的挂图向两个学生提问题，让其他同学记录答案，判断谁是绿色使者。)
T: I’ll have two volunteers. Please hands up. OK, S1, S2, come here. Now I’ll ask you two some questions. Answer me“Yes”or “No”and the other students write down their answers. Are you ready
Ss: Yes.
T: Do you usually recycle newspapers and old books
S1: Yes.
S2: No.
T: Do you usually take a quick shower
S1, S2:Yes.
T: When you make a short journey, Do you often ride a bike
S1: No.
S2: Yes.
(板书)
short journey—trip
T: …
S1, S2: …
T: Each“Yes”gets“1”marks. Each “No”gets “0”marks. What’s their scores
S3:S1 gets 5 marks.
S4:S2 gets 6 marks.
T: Well down, S2’s marks are more than S1’s. It means S2 is a greener person. Congratulations to him/her! (cheers)
2. (学生齐读1a，教师解释1a的意义，为两人活动做准备。)
3. (两人活动。同桌间互问答，并把得分计算出来。教师做调查。)
T: S5, what’s your score
S5:It’s 4 points.
T: You have not started turning green yet! Be strick with yourself to protect the environment. S6, what’s your score
S6: It’s 8 points.
T: Why do you want to be a greener
S6: When I see others littering, I do nothing and …, so…
T: Try harder and you’ll be better in protecting the environment. I believe you can.
S6: Thank you!
T: …
Step 3 Consolidation 第三步 巩固(时间:12分钟)
1. (根据得分把学生分成四小组，讨论同学得分的原因并给出建议，使学生更明白如何成为一个绿色使者。)
T: Now the students who get 0-4 points join Group 1. The ones who get 5-9 points join Group 2. The ones who get 10-13 points join Group 3 and 14-18 join Group 4. Each group finds out why you get this mark, and what are you going to do next, later produce a short oral report for the class.
(学生热烈讨论，如果意见难以统一，每个组可根据情况写出二至三个报告。)
2. (要求学生做总结报告，训练口语。完成1b。)
S1: The scores of our group are 0-4 points. It’s a pity! We get bad marks, because we all use plastic bags for shopping and paper towels. ××× usually throws newspapers away, ×× likes eating fast food. From now on all of us will keep a good habit to protect the environment every day. Easier said than done. We’ll do our best!
S2: …
3. (通过上一步，列出好的行为来纠正学生的不足。)
T: Now please listen to me. I’ll tell you how to be a greener person. More and more people are becoming green. It means that they are trying their best to protect the environment. So you have to remember the best ways to achieve the goal.
(1) We have to recycle what we can.
(2) We can take a quick shower instead of a bath.
(3) When we make a short journey, we’d better walk or ride a bike.
(4) It’s the best way to stop them when you see others littering.
(5) We take baskets for shopping.
(6) Never eat fast food.
(7) Never use paper towels.
(8) Remember to turn off lights when you leave home.
4. (学生通过回答问题，巩固1a部分内容。)
T: Practice in pairs. And raise“Yes”or“No”questions first, then“wh”-questions. Please do it just as we did in 1a.
Step 4 Practice 第四步 练习(时间:7分钟)
1. (应用句子接龙的方式复习巩固连词的用法, 练习2a。)
T: Now let’s practice“or, but, and, while.”I say the first sentence, then you say the second sentence with them.
T: The electric cars work well …
S1:But it is slow.
T: The Maglev Train is quiet and clear (and it runs fast)…
S2:But it’s too expensive.
T: My mother was cooking …
S3:While my father was reading newspapers.
…
(按上面的方法在同学之间进行句子接龙比赛，比比谁说的精彩有趣，活跃课堂气氛。)
2. (1)(复习巩固本单元的重要句型2b。)
T: Open you books. Let’s read the useful expressions of 2b together. Then I’ll ask some students to translate them into Chinese.
(2)(翻译句子，强化对有用短语的应用。)
T: Now please translate my sentences into English. And write them down. Pay attention to make similar sentences like useful expressions.
①你不应该在这儿吸烟。
②你愿意对这些垃圾进行分类吗？
③洗完衣服后应该把水龙头关掉。
④很可惜你没有和我们一起去。
3. (和同桌一起讨论，列出环保的好习惯，鼓励学生列得越多越好。完成3。)
Step 5 Project 第五步 综合探究活动(时间:4分钟)
1. (要求一些学生列举出一些日常不环保的行为举止，并演示给全班同学看，其他同学做出恰当的反应，达到环保教育的目的。)
T: Maybe a few students or people don’t do very well in protecting the environment. Now list the bad actions and act them out in front of the class.
T: Who’s the volunteer S1.
S1: (作一个摘花的动作，让其他同学猜。)
S2: Don’t pick up the flowers.
S3: (……)
S4: …
2. Homework:
T: Write a report. Talk about what you are planing to do to make your hometown more beautiful.
板书设计：
Would you like to be a greener person Section Dshort journeypaper towelsWe should use both sides of paper and reuse plastic bags rather than throw them away.About 35% of the rubbish in Hong Kong can be recycled every year while the rest can’t. They work well, but they are slow and can’t run for long.