一词语唤醒,整体回顾师:同学们,有一个人,我们虽然没有真正和他见过面,但是只要看到他的照片,相信咱们班同学百分之百会认出他。而且,三十年后依然可以清晰地叫出他的名字。他——是谁呢?(出示霍金的图片)生:(齐)霍金。师:看到他,你的脑海里会自然地冒出哪些词语? A phrase wake up, the overall review division: students, there is a person, although we did not really met with him, but as long as he saw the photos, I believe our classmates will recognize one hundred percent. And, thirty years later, his name can still be clearly called. He - who is? (Show Hawking’s picture) Health: (Qi) Hawking. Teacher: What words do you see naturally in your mind?