胃壁细胞分泌的内因子可与维生素B12结合,从而()。 ["抑制维生素B12的吸收","促进维生素B12的吸收","促进胃酸分泌","促进肠蠕动","抑制胆汁分泌"]
患者女,56岁,因“反复高热2个月”来诊。诊断为膈下脓肿。禁食近1个月,全身明显消耗。拟急诊剖腹探查。术前应特别注意检查() ["A.血红蛋白含量","血清电解质","血白细胞计数","血小板计数","肾功能","肝功能"]
编组站和()统称为技术站。 ["货运站","客运站","区段站","换装站"]
免疫酶组织化学染色中过氧化氢液的作用是()。 ["提高抗原抗体的识别能力","减少内源性过氧化酶的活性","修复抗原","提高敏感性","激活抗原"]
砼结构同条件养护试件应进行(),填写《砼结构同条件养护试件测温记录》。 ["抗压试验","抗弯试验","测温","测湿"]
测量发电机转子及励磁回路的绝缘电阻,应使用()v的摇表。