污水处理中有机高分子絮凝剂不能电离的基团是（）。
A.阴离子型基团
B.两性型基团
C.阳离子型基团
D.非离子型基团
参考答案：D
Your life insurance should be enough to ____any funeral costs as well as debts that you may have accumulated.
A． adopt
B． hold
C． cover
D． load
附子散3功效与作用
