瘀血阻滞，气血壅遏而导致的内伤发热，治疗宜选（）
A.通瘀煎
B.血府逐瘀汤
C.通窍活血汤
D.调营饮
E.桃红饮
参考答案：B
She often shares her deepest thoughts and fears with friends through QQ, as if they ________ chatting in her living room.
A．were
B．are
C．had been
D．has been
使用特雷诺指数时，一个结构简单的基金往往会表现了更高的风险。( )
