用于下焦虚寒而致的月经不调、崩漏、妊娠下血，首选（）
A.炮姜
B.三七
C.白及
D.艾叶
E.干姜
参考答案：D
I have finished a large part of the novel written by Dickens, the rest of which ___ very difficult.
A．is
B．are
C．was
D．were
各级财政部门销毁会计档案时应当由（）派员监销。
A.上级财政部门
B.同级审计部门
C.上级审计部门
D.单位会计机构
