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1、Section C. Material analysis本课是第二单元第三话题的第三课时。主活动是1a。1a 介绍了世界各地的人们如何开发和利用环境友好型和资源节约型的新能源，同时也指出了这些新能源的利用方式所存在的不足之处。在介绍的过程中，让学生学到更多并列句的连接词。如：however, not onlybut also等。1b通过图片匹配可以帮助学生形象地理解比较陌生的事物。1c培养学生归纳处理信息的能力。2a和2b 是两个关联性很强的任务。2a指出人们可以利用可再生能源来发电，并让学生讨论怎样利用这些可再生能源，然后在2b环节形成书面报告。这两个环节，其实是培养学生学会作记录，并根据记
2、录整理成短文的能力。2b是个书面活动，可以留作家庭作业。.Teaching aims1.Knowledge aims： 掌握本课的重点词汇和短语，继续学习并列句。2.Skill aims: 学会更多连接并列句的方法。学会在讨论中作记录，并整理记录使之成文。能够对信息进行分类处理。3.Emotional aims: (optional) 激发学生探索利用新能源的热情。4.Culture awareness: (optional) 了解世界各国在开发和利用新能源方面的现状和成就。. The key points and difficult points1. Key points: Words an
3、d phrases: technology, renewable, disadvantage, require, German, wheel, guide, deep, run out, source, worldwide, producefrom, not onlybut also, tootoSentences: However, nuclear power can be very dangerous. It can not only protect the environment but also save energy. Its too small to hold many peopl
4、e.Grammar: compound sentence 2.Difficult points： 理解文章中出现的大量专业术语。如：biogas technology, maglev trains 等。 理解文中出现的被动语态。如:This renewable energy is used in peoples everyday lives.Electric vehicles were developed in the 1990s.Its too small to hold many people, but larger models will be developed in the near
5、 future.理解文中出现的表语从句。如：Its key disadvantage is that the process requires a long time (up to 30 days) and the high cost for its building. Learning strategies 在1a、1b和2a中，能够根据文字描述进行图文匹配。 在1c 环节能够根据要求获取不同的信息，并能根据所完成的图表复述文章的大意。 要养成在讨论中作记录的好习惯，并利用记录的要点来组织短文。 利用课文中的插图和教材附录中的资料来理解课文。. Teaching aids教学新词的图片（如：
6、1a, 1b, 2a的插图、电动摩托图片、核电站图片） / PPT等。. Teaching procedures Stage(time period)InteractionpatternsTeacher activityStudent activityRemarks1Revision（10 mins)Group workLet the Ss make a survey and report to the class to finish 4 in Section B.T: Hi, boys and girls! Lets begin our class. Please turn to page
7、46. Lets do the survey in 4. Have you made the list after class?T: Fine. Now work in groups as usual. Make a survey in your group. You can follow the example in 4. The group leader should collect the information and report it to the class. When you finish, put up your hand.T: Stop, please! Now, its
8、time to report. Which group wants to report first?T: I am very glad that you have a good habit of dealing with the waste. Make a survey and report to finish 4 in Section B.Ss: Yes.S1: In our group, xxx always shuts off the electricity when he leaves the room or when the room is bright enough. xxx al
9、ways turns off the tap when he doesnt use it. xxx always puts the plastic bottles in a big box and xxx always uses both sides of the paper .S2: In our group, S3: In our group,2Pre-reading（5 mins)Class activityPresent the pictures in 1a, 1b and 2a to learn the new words.T: Now, I will show you some p
10、ictures. Try to tell me what the picture is in English. Now, look at this picture, whats it?T: Yes. Its an electric motor. I often come to school on my electric motor. What about this one?T: You are right. Its a train. People call it maglev train. Its different from the traditional steel railways. I
11、t has no wheels but it runs very fast. It can run more than four hundred km per hour. T: (Use the same way to deal with other words.)Learn the new words.S1: Motor.S2: It looks like a train. 这一课词汇较多，而且有很多专用术语，老师要运用各种方法先讲解部分新词。如：运用图片、构词法或课前集中预习等。electric(adj)+ ity(名词后缀)=electricity(n), re(again)+new+a
12、ble（能的）=renewable(adj) ,dis(no)+advantage=disadvantage (n)。本课词汇较多，对于课程标准没有要求掌握的词汇，只要学生能理解即可。3While-reading (8mins)Individual workIndividual workStep 1: Let the Ss read 1a, and match the pictures in 1a and 1b.T: Next, you will read 1a, and match the pictures in 1a and 1b while reading. When you finis
13、h, put up your hand. T: Who would like to tell us the answers to 1a?T: Do you agree with her?T: How about 1b? Volunteers! T: Is he right?Step 2: Let the Ss read 1a again and complete the table in 1c. Check the answers. T: You have learned something about biogas, electric vehicles and maglev trains.
14、Each has its key advantages and disadvantages. Now, read 1a again, find their advantages and disadvantages and put them in the table in 1c. When you finish, raise your hand, please.T: Shall we check the answers now?T: xxx, whats the advantage and disadvantage of biogas?T: Oh, you all did it very wel
15、l.Read 1a and match the pictures in 1a and 1b.S1: C-A-B.Ss: Yes.S2: B-C-A.Ss: Yes.Read 1a again and complete the table in 1c. Check the answers.Ss: No problem.S1: Advantage: renewable Disadvantage: long process and high cost for its buildingS2: S3: 4Post-reading(10 mins)Individual workGroup workClass activityStep 1: Let the Ss guess the meanings of “best-kn
