外科“心得派”的主要学术思想是（）
A.阴阳辨证
B.治疡必求其本
C.上中下三部辨证
D.治外必本诸内
E.八纲辨证
参考答案：C
_____enough thought to who the readers of the book would be，the publisher made a wrong
decision and suffered a heavy financial loss．
A．Not giving
B．Not being given
C．Having not given
D．Not having given
一国某一时期的出口总额超过进口总额时，称为（）
A.贸易顺差
B.贸易逆差
C.贸易平衡
D.贸易差额
