科普2011课标版《Section A》精品教案下载-普洱市优质课

Ⅲ.Teaching methods: Five-step Teaching Plan

Step 1 Review 第一步 复习

(师生互动，复习上个话题的内容，练习学生的听、说能力。)

T: We talked about the harm of pollution in the last topic. And we know there are many kinds of pollution, such as water pollution, air pollution, light pollution, litter and so on. How do these kinds of pollution affect our environment?

(教师以竞答的方式喊学生个别回答。)

Example:

S1: Water pollution makes some animals dead.

S2: Water pollution makes some plants dead.

S3: People and animals can’t drink the water.

S4: Air pollution causes the greenhouse effect.

S5: Air pollution makes people sick and even causes cancer.

S6: Air pollution destroys the ozone layer.

…

T: Yes, you are right. You know, all kinds of pollution are polluting our environment. So we are facing the serious pollution problems. What should we do to improve our environment?

(学生分组讨论，然后回答。)

Group 1: Don’t spit everywhere.

Don’t pick the flowers.

Plant more trees.

…

Group 2: Ask the government to make rules and pull down some chemical factories.

Ask people to use electricity.

…

T: Very good! You have so many good ideas to improve our environment. Would you like to do something useful to improve our environment?

Ss: Yes, Of course.

T: Me, too! OK, let’s be greener people together. Today, we’ll learn Topic 3. Would you like to be a greener person?

(板书)

Would you like to be a greener person?Step 2 Presentation 第二步 呈现

1. (教师用图片引出本课的词汇和内容。)

T: If we want to be greener people, what should we do at home?

(教师展示图片。)