治疗肾膀胱癌脾肾两亏证的代表方是（）
A.八正散合龙胆泻肝汤
B.桃红四物汤
C.大补元煎
D.知柏地黄丸
E.小蓟饮子
参考答案：C
— Hi, Mary. Any idea where Bill is?
— He ______ in the library. I saw him reading books there just now.
A．shall be
B．should have been
C．must be
D．might have been
与十六进制数CD等值的十进制数是( )。
A．204 B．205C．206 D．203
