含马兜铃和牛蒡子的方剂是
A．苏子降气汤
B．百合固金汤
C．补肺阿胶汤
D．泻白散
参考答案：C
Last night Bruce was observed________the building with two young men and take a taxi away.
A．leave
B．left
C．having left
D．to leave
地铁火灾扑救中，为减少前线人员体力消耗，一般实施接力疏散救人方法。（）
