第三课时 Using Language (1)

第一步 引入话题

1. Give some pictures such as TV, computers, CD-ROM, DVD, radio and newspaper. Ask the students to decide which is the form of IT.

2. Make it clear that all the things mentioned just now are different kinds of IT, and they all can bring a lot of new information to us.

3. Ask students to rank, choose, which they think is the most useful one.

4. On the blackboard, draw the following form, and write the expressions of giving opinions and reasoning in it, and make sure the students understand the Chinese meanings.

5. Let students to talk about the advantages and disadvantages of each kind of IT, using the expressions of giving opinions and reasoning.

第二步 任务1：听力训练（双人活动）

Page 22, listening, one student writes down the answers to “advantages”; the other writes down the answers to “disadvantages”.

Ex-change the information in pairs, and listen to the tape again.

Let students have the correct answers.

Give 2 or 3 minutes to the students to ask questions if they have any.

第三步 任务2：销售你的电脑（小组活动）──可用该活动取代书第 22 页上Speaking and Writing 中的活动。

1. Ask students to work in groups, discuss how to sell their computers to the English teacher.

2. Write the basic form of Present Perfect Passive Voice on the blackboard.

3. Give students the following situation:

Suppose the teacher is considering buying your computers, work in groups to write a report to persuade him or her, and give at least give 3 reasons, using Present Perfect Passive Voice and the expressions of giving opinions, reasoning and making a decision.

(为了保证学生准备充分，在时间上应该有保证；在活动的过程中，老师应该提醒学生要在他们的讨论中注意用上现在完成时的被动语态。)

4. Share some of the reports with the whole class.

第四步 任务3：设计你自己的机器人（小组合作）

1. Watch part of movie, Bicentennial Man (中文译名《铁甲再生人》或《变人》), (说明：片段选取可以从两姐妹在海边玩耍，而 Andrew 在旁边照看她们开始， 到 Andrew 为向小小姐道歉，用树根雕刻了一匹小马给她，并且得到了她的原谅为止。该片段可以让学生大致了解到机器人在人类的日常生活中可以做的事情。如果该电影无法找到， 可以从网站 http://www.androidworld.com 下载一些不同种类的机器人的图片, 也可以达到同样的目的。)

2. Ask students: “If you have a chance to design your own androids, what would you like your own android to be?”

3. In the form on the blackboard, add the expressions of making a decision.

4. Ask students to work in groups, and discuss how to design their own androids. Remind them of using the expressions of giving opinions, reasoning and making a decision in their discussion.

5. Share with some ideas with the whole class.

One possible version:

We have decided that our android will look like a middle-aged woman. We think this is better because we want her to do housework for us. We are busy students, and we have a lot of homework to do, so in our opinion, an android like mother will be helpful to us. We hope she can cook for us, clean the bedroom for us, wake us up, and drive us to school.

第五步 作业布置

P23 Writing

Requirement: Try to use the expressions of Reasoning and Making a decision.