摘要： (通过学生对节能环保知识的讨论.老师引出文中所讲的新环保事物.出示1a的挂图.导入新课内容.教授生词.) T: Look at the pictures. Maybe they are the new things that you haven’t known. They show us some forms of energy. Some of them may do less harm to our environment. What’s it in Picture a? Ss:It’s a car. T: Yes. What a beautiful car! The window matches the color of the car. Is it strange? Ss:Yes. T: It’s an electric car. It works well, but it’s slow and can’t run for long. electric-electricity electric car T: What’s it in Picture b? Who knows it? S9:It’s a train. It can run fast. T: You’re right. It’s a Maglev Train. It uses magnets. Its advantages are quiet, fast and clean, but it’s too expensive. (通过同样的方法.让学生了解1a几幅图中新的制造能量的方法.) Step 2 Presentation 第二步 呈现

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