人教版选修六Unit - 4 - Global - warming教案(2)

计为一节听说课。

2.2 将Pre-reading, Reading和Comprehending 整合在一起，设计为一节阅读课。

2.3 将Using Language中的Reading and writing 设计为一节泛读课。

2.4 将Learning about Language 与Workbook 中的USING WORDS AND EXPRESSIONS和USING STRUCTURES 整合在一起，设计为一节语言学习课。

2.5 将Workbook 中的LISTENING，TALKING， LISTENING TASK 和SPEAKING TASK 整合在一起，上一节听、说练习课。 2.6 将Workbook 中的READING TASK 和WRITING TASK 整合在一起，设计为一节写作课。 3. 课型设计与课时分配

1st Period Speaking and Listening 2nd Period Reading

3rd Period Extensive Reading 4th Period Language Study 5th Period Drills

6th Period Writing Ⅳ. 分课时教案

The First Period Speaking and Listening Teaching goals 教学目标

1. Target language 目标语言 a. 重点词汇和短语

energy, light (v.), heat (v.), renewable, non-renewable, fuel, blame, run out b. 交际用语

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 能力目标

Enable the students to talk about different sources of energy and express their own ideas. 3. Learning ability goals 学能目标

Help the students learn how to give their ideas about the use of energy.

Teaching important points 教学重点

Enable the students to express agreement and disagreement. Teaching difficult points 教学难点

Enable the students to learn how to express agreement and

disagreement.

Teaching methods 教学方法

Brainstorming, listening and group work. Teaching aids 教具准备 A tape recorder and a computer.

Teaching procedures & ways 教学过程与方式 Step ⅠRevision

T: Good morning, everyone. Ss: Good morning, teacher.

T: Sit down, please. Before class, I’ll check your homework first. Mary, would you read your homework to us?

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 ⅡWarming up

T: As we all know, we depend 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 make our 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.

Sf: It’s true. In fact, not only planes but also cars, ships and trains run on energy.

T: Well done. All that you’ve just said is right. So it seems that energy plays a very important role in the modern world. Then where does all the energy come from? Open your books and turn to page 25. Look at the pictures on this page. They may help you find out the answers. After a while.

T: Who’d like to tell us your answers? Sg: Wind power. Sh: Coal power.

T: Right. Is there any difference between them?

Si: Yes. Wind will never run out while coal is a limited source. T: It’s true. As we know, an energy source is renewable when

supplies of it never run out while some supplies， such as coal, will definitely run out one day. Energy of this kind is called non-renewable sources. Please think of as many sources as you can and decide which energy sources on your list are renewable and which are non-renewable.

If necessary, give some words related to the pictures which might be difficult for the students such as oil refinery, hydroelectric power and so on.

The teacher should also collect as much information about different sources of energy as possible and show it to the students in class through a computer. In this way, the students will become more interested in this topic and their knowledge on this aspect will be enlarged. Sample answers: Renewable Wind power Solar power Hydroelectric power Non-renewable Coal Natural gas and oil Nuclear power Step Ⅲ Listening and Discussing

T: From what we’ve just talked about, it is clear that energy does a lot of good to us. But every coin has two sides. Is there any negative effect of using energy?

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