仁爱版九年级英语上册第二单元第三个话题
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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。 培养学生快速阅读的能力。 先让学生在小组内讨论，然后师生共同核对答案。 设计意图
Encourage the students to pick up the points they don’t understand or those they feel important, then discuss by themselves, eg. (1)…people produce power from coal, but it is very dirty and causes acid rain. (2) It takes people 30 km to the airport in juse 7minutes and reaches a top speed of 431 km per hour. It takes sb. Some time to do some things. … 4. Encourage the students to retell 1a according to the table in 1b by asking and answering. Example: (1) T: What are the advantages of biogas?
仁爱版九年级英语上册第二单元第三个话题 Section C 教案 Unit 2 Topic 3 Section C 课题
Unit 2 Topic 3 Section C
课型
Reading comprehension
时间
2009 年 9 月 28 日
教学目标
三维目标
1. Learn the 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. Know about the modern technologies on environmental protection. 4. Improve the students’ reading abilities.
( ) ①It’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. ( ) ④The maglev train can be used in most of China. (3) Listen to the tape of 1a and repeat. Pay attention to the pronunciation and intonation. Step 4 Consolidation 1. Look at the form in 1b. Read the passage again and fill out the table. 2. Discuss the answers in groups. Then check them together. 教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
T: What’s the advantage of these ways? Ss: 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? Ss: All of them must be used to produce electricity in some special situations. That’ s to say, they are limited. For example, people can produce electricity from the sun, but if there is no enough sunlight, how does it work? (学生在教师的帮助下回答。) 3. T: Now, work in groups of four. Think about what else can be used to produce electricity. Then report to the class. 教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
设计意图
Step 1. Duty Report Ask one or two students on duty to give a report, the others listen carefully and answer some questions according to the report.. Step 2. Review Learn the new words and phrases by looking up in the dictionary and making sentences. E.g.
power, acid, nuclear, biogas, technology, straw, efficient, per, wheel, guide, steel produce power, solve problems… Discuss the content they learned in the last class: T: What shoule we do to be a greener person? S1: Take a cloth bag when we go shopping. S2: Walk or ride a bike instead of taking a bus or a taxi … 教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
Ss: Much more expensive than traditional trains. … Step 5 Practice 1 ． Now please look at the four pictures in 2 . What ways do they use to produce electricity? Match the pictures with the proper sentences above. 2. Discuss the pictures:
教学重难点
Go on learning some compound sentences. 2. Learn the advantages and disadvantages of some kinds of energy.
教学 策略 学法 指导
Reading comprehension, revision, discussion, pair work, group work
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。 根据 1b 表格，以问答形式复述 1a 课文，巩固 1a。 培养语言表达能力。 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。 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。 设计意图
Step 5 Project Discuss in groups: Do we need to save energy? Why? Summarize the ways of saving energy learned in this section. Have a discussion in groups. Then come up with new technologies of producing electricity and new methods to save enery.
Ss: Renewable. (2) T: Can you say something about electric vehicle?
Ss: Efficient, cheap, and no pollution. (3) T: What are the disadvantages of maglev train?
They show us some forms of energy. Some of them may do less harm to our environment. What’re they? … Read 1a-2 (1) Read the passage quickly, and choose the right picture for each paragraph. (2) Read the passage again, and then mark True(T) or False(F).
通过对节能环保知识的复习讨论，导入新课，源自文库学部分生词。 设计意图
S3: First, turn off the lights when we leave a room. T: Great. It’s easier said than done. So we have to keep on doing that every day. 3. Discuss how to save energy: T: We must not only protect our environment but also save energy like electricity. Now discuss this problem in pairs: What should we do to save energy? 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. Step 3 Presentation Talk about the pictures in 1a.
Encourage the students to pick up the points they don’t understand or those they feel important, then discuss by themselves, eg. (1)…people produce power from coal, but it is very dirty and causes acid rain. (2) It takes people 30 km to the airport in juse 7minutes and reaches a top speed of 431 km per hour. It takes sb. Some time to do some things. … 4. Encourage the students to retell 1a according to the table in 1b by asking and answering. Example: (1) T: What are the advantages of biogas?
仁爱版九年级英语上册第二单元第三个话题 Section C 教案 Unit 2 Topic 3 Section C 课题
Unit 2 Topic 3 Section C
课型
Reading comprehension
时间
2009 年 9 月 28 日
教学目标
三维目标
1. Learn the 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. Know about the modern technologies on environmental protection. 4. Improve the students’ reading abilities.
( ) ①It’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. ( ) ④The maglev train can be used in most of China. (3) Listen to the tape of 1a and repeat. Pay attention to the pronunciation and intonation. Step 4 Consolidation 1. Look at the form in 1b. Read the passage again and fill out the table. 2. Discuss the answers in groups. Then check them together. 教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
T: What’s the advantage of these ways? Ss: 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? Ss: All of them must be used to produce electricity in some special situations. That’ s to say, they are limited. For example, people can produce electricity from the sun, but if there is no enough sunlight, how does it work? (学生在教师的帮助下回答。) 3. T: Now, work in groups of four. Think about what else can be used to produce electricity. Then report to the class. 教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
设计意图
Step 1. Duty Report Ask one or two students on duty to give a report, the others listen carefully and answer some questions according to the report.. Step 2. Review Learn the new words and phrases by looking up in the dictionary and making sentences. E.g.
power, acid, nuclear, biogas, technology, straw, efficient, per, wheel, guide, steel produce power, solve problems… Discuss the content they learned in the last class: T: What shoule we do to be a greener person? S1: Take a cloth bag when we go shopping. S2: Walk or ride a bike instead of taking a bus or a taxi … 教学过程 教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学） 学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）
Ss: Much more expensive than traditional trains. … Step 5 Practice 1 ． Now please look at the four pictures in 2 . What ways do they use to produce electricity? Match the pictures with the proper sentences above. 2. Discuss the pictures:
教学重难点
Go on learning some compound sentences. 2. Learn the advantages and disadvantages of some kinds of energy.
教学 策略 学法 指导
Reading comprehension, revision, discussion, pair work, group work
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。 根据 1b 表格，以问答形式复述 1a 课文，巩固 1a。 培养语言表达能力。 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。 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。 设计意图
Step 5 Project Discuss in groups: Do we need to save energy? Why? Summarize the ways of saving energy learned in this section. Have a discussion in groups. Then come up with new technologies of producing electricity and new methods to save enery.
Ss: Renewable. (2) T: Can you say something about electric vehicle?
Ss: Efficient, cheap, and no pollution. (3) T: What are the disadvantages of maglev train?
They show us some forms of energy. Some of them may do less harm to our environment. What’re they? … Read 1a-2 (1) Read the passage quickly, and choose the right picture for each paragraph. (2) Read the passage again, and then mark True(T) or False(F).
通过对节能环保知识的复习讨论，导入新课，源自文库学部分生词。 设计意图
S3: First, turn off the lights when we leave a room. T: Great. It’s easier said than done. So we have to keep on doing that every day. 3. Discuss how to save energy: T: We must not only protect our environment but also save energy like electricity. Now discuss this problem in pairs: What should we do to save energy? 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. Step 3 Presentation Talk about the pictures in 1a.