下列能平抑肝阳，敛阴止汗的药物是( )
A．赤芍
B．酸枣仁
C．山茱萸
D．当归
E．白芍
参考答案：E
研究______与______之间相互关系的科学叫做生态学。
A bad separation makes the cargo（）at its destination.
A.easier to discharge
B.more difficult to discharge
C.easier to load
D.more difficult to load
