下列不属于放置宫内节育器的并发症是( )
一对年轻夫妇计划出国旅游,出发前,准备选购以下治疗腹泻的药物备用,包括蒙脱石、口服补液盐、双歧杆菌三联活菌、洛哌丁胺、小檗碱。
执业药师不推荐他们购买双歧杆菌三联活菌制剂,建议更换为地衣芽孢杆菌活菌制剂,最可能的原因是 ( )。
关于集合竞价与连续竞价,说法错误的是( )。
He got to his friend's house full of hope, only to be told that he had left from England last week.