题目

 People around Lucy consider her smart and pretty, and, _____ they are right.   A. on their way   B. in a way   C. in the way    D. in their way 答案： B铁钉可以在石蜡上留下刻痕，这是因为铁的______比石蜡大；俗话说“破镜不能重圆”又是因为分子间距离______（填“太大”或“太小”），分子间几乎没有作用力的缘故．