摘要： (看热带雨林的图片.学习生词.引出比较级+and+比较级的用法.画线的单词为生词.) (教师通过多媒体出示热带雨林的图片.教师和学生一起观看图片.同时教师讲解图片上的信息.) T: It’s a picture of forests, rainforests. They cover 6% of the earth’s surface. Thousands and thousands of animals live in it. It’s always dark, hot and wet in the rainforests. They can help to control the climate. They give us wood, rubber, fruit, medicine and so on. They are very important to us, but they are becoming smaller and smaller, so we must protect them well. (第二遍教师边说边板书.学习生词.帮助学生理解掌握smaller and smaller的用法.) forest, rainforest, cover, surface, thousands and thousands of, dark, control, wood, rubber, protect (学生熟读单词后.再看图片并回答教师提出的问题.) T: What are they? Ss: They are rainforests. T: How large are the rainforests? Ss: They cover 6% of the earth’s surface. T: What’s in the rainforests? Ss: Thousands and thousands of animals live there. T: What can we get from the rainforests? S: We can get wood, fruit, medicine and rubber. T: Are they important to us? S: Yes, they are. T: What should we do with them? S: We should protect them well. T: Do you want to know more about rainforests? Ss:Yes. T: Let’s learn Section C together.

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