当归芍药散的功效是()
A.调理冲任,养血安胎
B.疏肝解郁,活血止痛
C.调肝和血,健脾利湿
D.理气解郁,和血止痛
E.补益脾气,散寒除湿
参考答案:C
已知a2+a=3,求得代数式3a2+3a﹣7的值是( ).
Using it wisely, leisure promotes health, efficiency and happiness.
A.If it is used wisely
B.Having used it wisely
C.Because of its wise use
D.Because of usefulness