下列哪项的药物配伍体现了攻下扶正，邪正合治（）
A.十枣汤
B.防风通圣散
C.大承气汤
D.大柴胡汤
E.黄龙汤
参考答案：E
You ______ do it if you really don't want to.[ ]
A. needn't
B. mustn't
C. can't
D. couldn't
单位时间(1分钟)内心跳次数叫_______。
