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Global warming
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　　1.   ½ÌѧĿ±ê
　　Teaching goals ½ÌѧĿ±ê
　　1. Target language Ä¿±êÓïÑÔ
　　a. Öصã´Ê»ãºÍ¶ÌÓï
　　energy, light (v.), heat (v.), renewable, non-renewable, fuel, blame, run out
　　b. ½»¼ÊÓÃÓï
　　Expressing agreement and disagreement
　　Yes, I agree with you.
　　Yes, I think so.
　　I believe that you¡¯ve got it right.
　　I don¡¯t think so.
　　I don¡¯t think that¡¯s right.
　　I¡¯m afraid you are wrong.
　　2. Ability goals ÄÜÁ¦Ä¿±ê
　　Enable the students to talt different sources of energy and express their own ideas.
　　3. Learning ability goals ѧÄÜÄ¿±ê
　　Help the students learn how to give their ideas about the use of energy.
　　2.   ½ÌѧÖصã/Äѵã
　　Teaching important points ½ÌѧÖصã
　　Enable the students to express agreement and disagreement.
　　Teaching difficult points ½ÌѧÄѵã
　　Enable the students to learn how to express agreement and disagreement.
　　3.   ½ÌѧÓþß
　　4.   ±êÇ©
　　½Ìѧ¹ý³Ì
　　Step ¢ñRevision
　　T: Good morning, everyone.
　　Ss: Good morning, teacher.
　　T: Sit down, please. Before class, I¡¯ll checr homework first. Mary, would you read your homewors?
　　Check the students¡¯ homework and have a discussion with the students about the mistakes Mary made. Let the students have a clear understanding about the mistakes and then correct them.
　　Step ¢òWarming up
　　T: As we all know, we depen d on energy to do many things in our daily life. Some people even say we could do nothing without energy. Can you tell me what we use energy for?
　　Sa: Energy lights our cities.
　　Sb: Energy heats our buildings.
　　Sc: Energy entertains us. With the help of electricity, people have got a lot of fun from watching TV, playing computers and so on.
　　Sd: There are many other electrical appliances that mar life more convenient and comfortable such as washing machines, microwaves, air conditioners and so on.
　　Se: Today energy also helps people realize many so-called dreams in the past. For example, people can ¡°fly¡± from one place to another by plane which runs on  energy.