肝尾叶的静脉引流入下列哪条静脉（） ["中肝静脉","下腔静脉","右肝静脉","左肝静脉","门静脉"]
温经散寒法不常用于哪项疾病（） ["月经后期","痛经","月经先期","闭经","不孕症"]
妇科外治法常用于哪种疾病（） ["带下病","阴痒","阴挺","阴疮","以上都常用"]
挥发分大于40%的煤称为（）。 ["烟煤","褐煤","贫煤","无烟煤"]
成人骶管腔的容量为（） ["10～20ml","20～30ml","30～40ml","40～50ml","以上均不对"]
为什么说学校教学活动是实现人类认识和个体认识之间有效联系的重要纽带？
