维生素D3由人体表皮和真皮内含有的()。经日光中紫外线照射转变而成。 ["25-(OH)D2","7-脱氢胆固醇","吡哆醇","糖醇","麦角固醇"]
人体内再生能力最强的细胞是()。 ["生殖器官管腔被覆上皮","肝细胞","间叶细胞","骨母细胞","软骨母细胞"]
肠道杆菌动力检查的首选方法是() ["悬滴法","压滴法","半固体穿刺法","暗视野荧光法","毛细管法"]
QC七大手法所体现的精神包含()。 ["用事实与数据说话","全面预防","全因素、全过程的控制","以上均是"]
肝硬化最常见的并发症是()。 ["上消化道大出血","白发性腹膜炎","肝性脑病","原发性肝癌","功能性肾衰竭"]
设顺序表va中的数据元数递增有序。试写一算法,将x插入到顺序表的适当位置上,以保持该表的有序性