()不是公司法的特点() ["主体法和行为法的结合","强制性和任意性的结合","公司法一般表现为判例法","公司法具有一定的国际性"]
关于尿胆红素测定,下列叙述正确的是() ["正常可出现阳性反应","肝细胞性黄疸时,尿胆红素中度增加","阻塞性黄疸时,尿胆红素阴性","溶血性黄疸时,尿胆红素明显增加","严重肾损伤时,尿胆红素明显增加"]
鳞状上皮细胞表面覆盖大量下列哪种细菌称为线索细胞() ["大肠埃希菌","铜绿假单胞菌","军团菌","加德纳菌","变形杆菌"]
前列腺颗粒细胞属于() ["中性粒细胞","吞噬细胞","肥大细胞","鳞状上皮细胞","间皮细胞"]
踝管内的肌腱是:() ["小圆肌","三角肌","指屈肌腱","趾长屈肌腱","胫前肌腱"]
简述物流服务的特性。