a÷2.5.
故选:A.
镇肝熄风汤和天王补心丹组成中均含有的药物是()
A.沙参、麦冬
B.玄参、天冬
C.麦冬、牛膝
D.当归、生地黄
E.天冬、当归
Class A EPIRBs are required on().
A.self-propelled,inspected vessels
B.towing vessels
C.recreational vessels
D.uninspected passenger vessels