一老年患者,习惯性便秘,大便三日一行,干结如羊粪状,伴有口干咽燥,皮毛干枯,舌红少津,脉细。除了通便外,宜配伍的药物是:() ["补气药","养血药","助阳药","滋阴药","消食药"]
统计方法中标准误一般表示() ["抽样误差","变异程度","离散程度","分布状况","可信区间"]
牙槽突骨折,其主要临床特征是()。 ["牙龈撕裂","牙龈出血肿胀","牙齿脱落","牙冠折断","摇动一个牙时,邻近数个牙随之移动"]
男,43岁,进行性双侧耳鸣、听力下降5年,双侧混合聋,CT所见如图,最可能的诊断是() ["耳硬化症","嗜酸性肉芽肿","膜迷路畸形","骨化性迷路炎","鼓室硬化症"]
肾虚脚气宜选用:() ["防己黄芪汤","二妙散","鸡鸣散","肾气丸","萆薢分清饮"]
我国国家军用标准GJB45088中明确指出:()是找出设计上潜在缺陷的手段,是设计审查中必须重视的资料之一。