摘要
<正>教学过程Step 1. Warming-up Watch a video.设计意图:通过看恐龙视频故设悬念:恐龙为什么会灭绝?让学生带着思考学习,激起学生对本节课教学活动的兴趣。T:There were many dinosaurs many years ago. But now, they had disappeared. Do you want to know why? Let’s go to the dinosaur museum and try to find the reason.