PPT 多媒体课件。

三、课堂教学设计

Step 1. revision

[课件展示] 值日生报告。教师展示课件中的有关交通工具的图片，与学生展开有关交通工具的问答练习对话练习：

T: I usually come to school by bike, and you?

S: by car/ by bus.

T：How do you usually come to school，×××?

：I usually come by bike / bus/ on foot.

T： How does your father/ mother usually go to work?

：He usually go to work by bike / bus/ on foot.

之后，每两位学生进行对话练习，将这种对话进行下去。

Step 2. Read and act.

[课件展示]1。教师在给学生放录音之前，提出问题(Pre-listening question)T: How does David/ David’s father / mother usually go to work?教师放课文录音一遍 ，指导学生回答问题S: He usually goes by bike. Sometimes by bus. David’s father usually go to work by car. His mother goes to work by bike, sometimes on foot.再放录音，学生跟读两遍，熟练听读。T: Now please listen to the tape again. Please pay more attention to its intonation.教师让学生两人一组练习对话。可以让若干组学生演示对话。T: Well, please practise your dialogue in the class with your partner.

2.教师可以点击影片，播放课文对话情景影片，使学生边观看边模仿，教师强调一下对话中出现的交通工具。可以在学生看录像之前设置一个问题：T: How many transportations() in the dialogue.教师解释transportation的意思

Step 3. dialogue.

[课件展示]教师点击 放录音，学生跟读。让学生两人一组操练对话并使用方框中的替换词课件中红色字体的单词，编练新的对话。教师请两组学生表演，并予以讲评。

T: Please read the dialogue first, and you will change the word which is on the table in your own dialogue. Now practise your dialogue with your deskmate , after that I will let some boys and girls act out their dialogues.

Step 4. Consolidation

[课件展示]教师总结这一节课的语言点。(共有两页，教师点击按钮可进入下一页的consolidation)

1. Walking is good for health. 走路对健康有益。

Walk是动词，不能做主语。若要用walk做主语，就需在Walk后加—ing，即用walking做主语。动名词是动词的另一种非限定形式。它在句中起名词的作用，可单独使用或引起短语，做句子的主语、表语、宾语或介词的宾语。如：

Reading in bed is bad for you eyes.主语

2.Be good for 意为“对….有益”，与be bad for(对……有害) 相对。如：

Doing morning exercises is good for health.

Eating too much is bad for health.

3.Take the bus

take在句中是“乘，搭”的意思，表示一种行为。而“by+ 交通工具名词”则表示一种方式。如：

You can take the No.5 bus.

My mother often comes back home by bike.

4.总结交通工具

l)长途：by air / plane, by sea / ship, by train, by bus, by taxi, by car等。

短途：on foot, by bike, by bus, by taxi, by car, by boat, by minibus等。

2)地理环境

海：by sea/ship，by boat

陆：on foot，by bike，by bus，by minibus，by car，by taxi，by train等。

空：by air/plane

Step 5. Practice

[课件展示]教师指导学生完成课件中的练习，逐步点击鼠标，就会逐一显现练习答案。要求学生用笔头形式完成。

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