Unit 3 Computers 教學設計語言學習01

第一步 引入話題

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.

giving opinionsi think that...
in my opinion...
i believe that...reasoningi think this one is better, because...
i don't like this one, because...
the advantage /disadvantage is...

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 任務1：聽力訓練（雙人活動）

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 任務2：銷售你的電腦（小組活動）──可用該活動取代書第 22 頁上speaking and writing 中的活動。

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.

(為了保證學生準備充分，在時間上應該有保證；在活動的過程中，老師應該提醒學生要在他們的討論中注意用上現在完成時的被動語態。)

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

第四步 任務3：設計你自己的機器人（小組合作）

1. watch part of movie, bicentennial man (中文譯名《鐵甲再生人》或《變人》), (說明：片段選取可以從兩姐妹在海邊玩耍，而 andrew 在旁邊照看她們開始， 到 andrew 為向小小姐道歉，用樹根雕刻了一匹小馬給她，并且得到了她的原諒為止。該片段可以讓學生大致了解到機器人在人類的日常生活中可以做的事情。如果該電影無法找到， 可以從網站 下載一些不同種類的機器人的圖片, 也可以達到同樣的目的。)

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.