题目

情景交际W: Why are you so interested in the history class?M: Our history teacher Mr. Zhang is really humorous. He (关于孔子了解的很多).W: Really, but he looks very serious and strict, (像一位哲学老师).M: No, not at all. The examples he gives are really interesting. And (我知道了很多历史故事) from him，for example, many kingdoms. There is lots of laughter in his class.W: What else is he good at?M: He has a good knowledge of (军事力量).W: No wonder you like him so much. I wish (他是我们的历史老师) too.已知万有引力常量是G，在下列各组物理数据中，能够估算月球质量的是A. 月球绕地球运行的周期及月、地中心距离B. 绕月球表面运行的飞船的周期及月球的半径C. 绕月球表面运行的飞船的周期及线速度D. 月球表面的重力加速度