可用治湿热黄疸的药物有（）
A.大黄
B.郁金
C.秦艽
D.栀子
E.蒲公英
参考答案：A, B, C, D, E
It was a dark and stormy night ______ the old man started his journey.[ ]
A. that
B. when
C. since
D. before
紧急停车后，所有机泵都应按下停车键。
