题目

 On seeing her, the king immediately fell in love with her and married her,      who she really is.                    (      )      A. not known        B. not knowing        C. knowing not       D. not to know 答案：B已知冰的密度为，一定体积的水凝固成冰后，其体积将（ ）A. 增加1/10 B. 减少1/10 C. 增加1/9 D. 减少1/9