单项选择题
患者，男，72岁，胃痛如针刺，痛有定处，拒按，痛时持久，食后加剧，入夜尤甚，或见呕血黑便。舌质紫黯或有瘀点瘀斑...
单项选择题患者，男，72岁，胃痛如针刺，痛有定处，拒按，痛时持久，食后加剧，入夜尤甚，或见呕血黑便。舌质紫黯或有瘀点瘀斑，脉涩。施护法则为： A、疏肝理气，和胃止痛 B、清热化湿，理气和胃 C、活血化瘀，和胃止痛 D、养阴益胃，和中止痛
A．正确 B．错误
不定项选择
In scenario analysis, we could randomly set up several...
不定项选择In scenario analysis, we could randomly set up several scenarios and estimate their results.
