仁爱版英语九年级Topic 3 Would you like to be a greener person?教学设计

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参考 仁爱版九年级Topic 3 Would you like to be a greener person?

Section A 教学设计



The main activities are1aand 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:

plastic, suppose, nod, agreement, shake

2. Learn a useful sentence:

  Everyone is supposed to do so.

3. Learn the compound sentences with “or”, “and”, “but” and “while”:

  (1) Noise is a kind of pollution and it’s harmful to our hearing.

  (2) The earth is beautiful but people are hurting the earth now.

  (3) Work hard, or you will fail the exam.

  (4) She was busy cooking while they were watching TV.

4. Learn to talk about environmental protection.

Ⅱ. Teaching aids 教具

有关垃圾污染的多媒体图片或挂图/塑料袋、饮料瓶等实物/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:7分钟)

师生互动，复习上个话题的内容，培养学生的听、说能力，导入本课话题。

1．(复习讨论污染的危害。)

T: We talked about the harm of pollution in last topic. And we know there are many kinds of pollution, such as water pollution, air pollution, light pollution, litter and so on. But do you know how these kinds of pollution affect our environment? Volunteers?

(教师以竞答的方式请学生回答。)

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: Well done! 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?

2. (学生分组讨论，然后回答。)

T: Please discuss in groups. Then make a report.

Group 1: Don’t spit here and there.

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 save electricity.

…

T: Very good! You have so many good ideas. Would you like to do something useful to improve our environment?

Ss:Of course.

T: Me, too! OK, let’s be greener people together.

(导入1a。)

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Ss: Yes.
(教师可以出示上一课1a的图片。)
T: What are Jane and Michael doing?
Ss: They are talking about how to be a greener person.
T: Can you tell me how to be a greener person?
Ss: First, turn off the lights when we leave 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 we have to keep on doing that every day.
2. (让学生分组讨论节约能源的各种方法，以旧带新，导入新课主题。)
T: We must not only protect our environment but also save energy. Now discuss this problem in pairs: What should we do to save energy?
(采用竞答方式，鼓励学生说出日常生活中所观察到的节约能源的各种方法。)
T: Well, I’m sure you have some new ideas to save energy. Please tell me one by one. Now let’s talk about how to be a greener person. 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 water to wash clothes.
S5: Take a cloth bag when we go shopping.
S6: Turn off the TV set while we are away.
S7: …
T:  Well done! Actions speak louder than words. If you want to be a greener person, you should do as what you say.
3. (通过学生对节能环保知识的讨论，教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 environment. What’s it in Picture a?
Ss:It’s a car.
T: Yes. What a beautiful car! But it looks strange, doesn’t it?
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，要求学生掌握。)

electric (adj.) — electricity (n.)

T: What’s it in Picture b? Who knows it?
S8:It’s a train. It can run fast.
T: You’re right. It’s a maglev train. Its advantages are quiet, fast and clean, but it’s too expensive.
(板书并解释，要求学生理解maglev train。)

maglev train

T:        OK. Let’s learn1aand talk about other ways to produce power.

Step 2  Presentation 第二步  呈现(时间:10分钟)

呈现1a，完成1b。培养学生快速查阅字典的能力和快速阅读的能力。
1. (要求学生在字典中快速地查出1a中生词的意思，培养学生快速查阅字典的能力。)
T:  Take out your dictionaries. Look up the new words in1aas quickly as possible.
(以比赛的形式检查学生查字典的效果，看哪些同学最先完成。 板书并要求学生理解1a中生词power, acid, nuclear, per, guide; 了解biogas, straw, efficient; 掌握technology, wheel, steel。)

power, acid, nuclear, biogas, technology, straw, efficient, per, wheel, guide, steel

2. (让学生快速阅读1a中的2，为每段找到正确的图片。)
T: Read the passage quickly, and choose the right picture for each paragraph.
3. (再次阅读，判断下列句子正误。用小黑板或幻灯片出示句子。)
T: Read the passage again, and then mark True(T) or False(F).

①(  ) It’s good that people produce power from coal. ②(  ) Nuclear power is dangerous. So we can’t use it. ③(  ) China is one of the first countries in the world to use biogas technology. ④(  ) The maglev train can be used in most of China.

(师生共同核对答案。)
4. (播放录音，让学生跟读，注意语音语调。)
  T:  Now, listen to the tape of1aand repeat. Pay attention to the pronunciation and intonation.

Step 3  Consolidation 第三步  巩固(时间:10分钟)

巩固1a，完成1b，明确阅读任务，提高阅读能力。
1. (要求学生阅读1a课文，完成1b。明确阅读任务，帮助学生了解，掌握不同的阅读策略，提高学生的阅读能力。)
T: Look at the form in 1b. Read the passage again and fill out the table.
(几分钟后。)
T: Discuss the answers in your group. Then let’s check them together.
(先让学生在小组内讨论，然后师生共同核对答案。)
2. (让学生再读1a，找出疑难点，并鼓励他们分组讨论解决疑难点，教师作补充讲解。)
T: Read1aagain, find the points you don’t understand, and then discuss in groups.
3. (根据1b表格，复述1a课文，巩固1a。)
T: Let’s retell1aaccording to the table in 1b.

Step 4  Practice 第四步  练习(时间:8分钟)

学生四人一组讨论，进一步了解节约能源的几种新型发电技术，完成2。
1. (教师出示2中的图片，让学生看图说话。)
(1)T: Now please look at the four pictures. What ways do they use to produce electricity? Match the pictures with the proper sentences above.
(板书，并要求学生理解。)

movement

(2)(核对答案后，让学生说出图中四种发电方式的优缺点。)
T:  What’s the advantage of these ways?
S1: Less pollution.
T:  That’s right. For example, lighting is powerful. If it can be made good use of, that would be great. I’m sure you can do it one day. Come on, my children.
…
T:  What’s the disadvantage of these ways?
S2: All of them must be used to produce electricity in some special situations.
S3: But they are limited.
S4: People can produce electricity from the sun, but if there is no enough sunlight. (学生在教师的帮助下回答。)
…
2. (让学生四人一组讨论更多的发电技术，然后向全班汇报。完成2。)
  T: Now, work in groups of four. Think about what else can be used to produce electricity. Then report to the class.

Step 5  Project 第五步  综合探究活动(时间:7分钟)

归纳本节课环保节能的方法，同时教育学生学会节约能源以及合理地利用能源。
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. Fill in the blanks in groups of four after discussion.

Day Thing Name

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 a volunteer? Report the answers of your group to the class.
S5: …
2. (和同桌一起讨论，列出环保的好习惯，教师鼓励学生列得越多越好。完成3。)
3. (要求学生在本课找出复合句，教师核对答案并板书。)
(让学生试着造句。)
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. Homework:
Search and collect some more kinds of materials that can produce electricity.
板书设计：

Would you like to be a greener person? Section C electric (adj. )——electricity (n. )     1. In many countries, people produce power from coal, but it is very dirty and causes acid rain. maglev train                                   2. Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used.

Section D

The main activities are2aand 4. 本课重点活动是2a和4。

Ⅰ. Teaching aims and demands 教学目标

1. Learn some new words:
  towel, offer
2. Review some compound sentences:
  (1) About 35% of the garbage inHong Kongcan be recycled every year while the rest can’t.
  (2) People produce power from coal, but it is very dirty and causes acid rain.
3. Learn how to be a greener person.

Ⅱ. Teaching aids 教具

图片/一包纸巾/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:10分钟)

复习总结本话题环保节能的内容，训练学生的听说技能，鼓励学生成为绿色环保使者。
1. (师生互动，营造英语氛围，复习前三节课的内容。)
T:  In this topic we have learned something about how to be a greener person. Can you tell me what are the three Rs?
Ss: Reduce, reuse and recycle.
T: Which means “make something less or smaller”?
Ss: Reduce.
T: Then what should we reduce?
Ss: We should reduce the things which people can use only once.
T:  Which means “use it again”?
Ss:Reuse.
T:  What should we reuse?
Ss: We should reuse plastic bags.
T:  What should we do about recycling?
Ss: We should collect waste paper or soft drink cans, and sort them so that they can be     recycled.
T:  It’s true. But remember, actions speak louder than words.
2. (听句子，判断对错，训练学生的听力技能，复习总结怎样才能成为一名绿色使者。)
T: We know that pollution is becoming a serious problem. What should we do to protect our environment? Now listen to me carefully. I will say some habits. Tell me whether they’re good or bad, and try to write down the good ones. 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 things 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，要求学生一边回答一边记下来，为下一步作准备。)
3. (要求学生根据上面的内容，两人一组编一个对话，谈论怎样才能成为绿色使者。鼓励学生尽可能地对本单元内容进行整合。)
T:  Now make your own conversation to talk about how to be a greener person with your partner. You can offer more suggestions about it.
(板书并要求学生掌握。)

offer

(几分钟后，教师抽查。)
S1: Do you want to be a greener person?
S2: Of course. Can you tell me how to be a greener person?
S1: Don’t throw the rubbish here and there.
…
(教师进行鼓励和评价，同时总结内容，导入新课。)
T:  Very good! I think you are greener persons. Now, let’s play a game to test how green you are.

Step 2  Presentation 第二步  呈现(时间:10分钟)

让学生根据各自的日常行为做出适当选择，并根据文后分值自我检测，完成2a。
1. (教师出示2a中的图片向两个学生提问题，让其他同学记录答案，判断谁是绿色使者。)
T:  I’ll need two volunteers. Please hands up. OK, S1, S2, come here. Now I’ll ask you some questions. Answer me with“Yes”or“No”. Other students write down their answers and judge which student is greener. Are you ready?
Ss: Yes.
T: Do you usually recycle newspaper and old books? (Yes—1; No—0)
S1: Yes.
S2: No.
T: Do you often use paper towels? (Yes—0; No—1)
(展示纸巾，板书单词且要求学生掌握。)

towel

S1,S2:Yes.
T: When you make a short journey, do you often ride a bike? (Yes—1; No—0)
S1: No.
S2: Yes.
(板书，并要求学生理解journey。)

make a short journey—travel a short distance

T: …
S1, S2: …
T: What’s the score?
S3: S1 gets 5 points.
S4: S2 gets 6 points.
(教师参考2a分值表做总结。)
T: Well done, You are pale green. But S2’s mark is higher than S1’s. It means S2 is a greener person. Congratulations to him/her! (cheers)
2. (教师继续做调查并做出相应的评价。)
  T: S5,what’s your score?
  S5:       It’s 4 points.
  T:       You have not started turning green yet! Be strict with yourself to protect the environment. S6, what’s your score?
S6:       It’s 10 points.
T: Try harder and you’ll be better in protecting the environment. I believe you can.
S6:       Thank you!
T: …
3. (让学生独立完成2a，进行自我检测。)

Step 3  Consolidation 第三步  巩固(时间:10分钟)

根据上面的测试结果，让学生开展小组讨论，引导学生做总结报告，巩固2a。
1. (根据学生的得分情况把学生分成四小组，让各小组同学讨论自己得分多少的原因并给出建议，使学生更加明白如何才能成为一名绿色环保者。)
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 you are going to do next. Later give a short oral report to the class.
2. (要求学生做总结报告，训练口语。完成2b。)
3. (通过上一步，列出各小组好的建议，让学生争做绿色使者。)
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 need to remember the best ways to achieve the goal.
(1)    We need 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)    You’d better 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 a room.
4. (让学生两人一组互相问答，巩固2a部分内容。)
T: Practice in pairs. Please do it just as what we did in2a.

Step 4  Practice 第四步  练习(时间:10分钟)

通过听力填空，句子接龙，抢答造句等形式，呈现1，完成3a和3b。
1. (听录音，完成1。)
(1)T: Read the passage in 1 quickly and guess the missing words.
(2)T: Listen to the passage and fill in the blanks with the words you hear.
(3)(核对答案。)
T: Let’s check the answers.
(4)T: Listen to the passage again and repeat it.
2. (用句子接龙的方式复习巩固连词的用法，完成3a。)
T: Now let’s practice “or”, “but”, “and” and “while”. I say the first sentence, then you say the second sentence with them.
T: The electric cars work well …
S1: But they are slow and can’t run for long.
T: The maglev train is quiet and clean (and it runs fast)…
S2: But it’s too expensive.
T: My mother was cooking …
S3: While my father was reading the newspaper.
…
(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。)
3. (通过朗读、翻译、听录音等方式，巩固本话题功能句。)
(1)(复习巩固本单元的重要句型，完成3b。)
   T: Turn to Page 48. Let’s read the useful expressions of 3b 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 making similar sentences with the 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。
(3) (听录音，注意语音语调，巩固3a，3b。)
4. (教师用小黑板展示下列提示词，要求学生抢答造句，为下一步写作打下基础，同时复习本话题内容。)

take part in, reduce, reuse, recycle, protect, save, love …

T: Now I’ll give you some words or phrases. Make sentences and speak them out as soon as possible. Are you ready?
Ss:  Yes.
T:   take part in.
S4:  I took part in the activities to collect rubbish.
T: reduce.
S5:  People ought to reduce plastic, coal …
T: …
S6: …
5. (根据学生听说内容，让学生写一篇关于如何保护环境的短文。)

Step 5  Project 第五步  综合探究活动(时间:5分钟)

继续学习和拓展环境保护话题，让学生争做绿色环保使者，使自己的家乡变得更美丽。
1. (要求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，要求其他同学给出建议，增强学生的环保意识。)
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. And then others offer some suggestions.
T: Who’s the volunteer? S1.
S1: (做一个摘花的动作，让其他同学猜。)
S2: Don’t pick up the flowers.
S3: (……)
S4: …
2. Homework:
方案一. (要求学生帮助Friends of the Earth的记者完成调查任务，并写出相应的调查报告，完成4。)
方案二.Write a report. Talk about what you are planning to do to make your hometown more beautiful.
板书设计：

Would you like to be a greener person? Section D make a short journey paper towels The electric cars work well, but they are slow. My mother was cooking while my father was reading the newspaper.

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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。)

plastic

(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。)

reduce

(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。)

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

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。)

be supposed to do sth.

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?

(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.

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。)

nod agreement shake

(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.

  (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…

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.

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

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。)

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 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?

(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 …

(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.

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。)

battery

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

  (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

  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.

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?