中焦虚寒之泄泻，宜选用（）
A.理中丸
B.四神丸
C.易黄汤
D.参苓白术散
E.白头翁汤
参考答案：A
因式分解：x2﹣9y2=( )
Actually, _____ works hard can be _____ they want to be, whether it is a pilot, an engineer or a manager.[ ]
A. anyone; whoever
B. no matter who; whoever
C. whoever; no matter what
D. whoever; whatever
