题目

完形填空       通读下面短文，掌握其大意，然后在每小题所给的四个选项中，选出一个最佳答案。 Many people consider Albert Einstein(1879-1955) a genius(天才). This story about him shows that he also had a sense of humor.     Einstein often  1   invitations to give speeches at different universities. On these trips, his driver Hans often said to him, “It’s a   2   to drive a genius like you, Dr. Einstein.”     One evening, on their way to a university, Einstein said, “I’m so tired. I want to   3  giving the speech tonight, 在平面直角坐标系内点 A、点 B 的坐标分别为（0，3）、（4，3），在坐标轴上找一点 C，使△ABC 是等腰三角形，则符合条件的点 C 的个数是（    ） A．5 个 B．6 个 C．7 个 D．8 个