枳实薤白桂枝汤的功用是( )
A.疏肝解郁,行气止痛B.行气散结,降逆化痰C.通阳散结,下气祛痰D.行气疏肝,祛寒止痛E.疏肝泄热,活血止痛
参考答案:C
I don't know whether you happen _____, but I'm going to study in the U.S.A this September. [ ]
A. to be heard
B. to be hearing
C. to hear
D. to have heard
简述SPECT作心肌灌注断层显像时,每一方向断层影像所显示心脏的部位。