凡保护国家公益的法为公法，保护私人利益的法为私法。
参考答案：对
But at other moments you will find him gentle and weak, _____ he cries about the lost lives of people drowned in ships that have sunk.
A．as with
B．as for
C．as to
D．as when
抗原抗体反应的最适pH值是（）。
A.3～4
B.5～10
C.6～9
D.9～10
E.10～12
