为了延长血液的保存期应加入以下哪种成分()。 ["三磷酸腺苷","腺嘌呤","EDTA·K2<\/sup>","次黄嘌呤核苷","枸橼酸钠"]
医院感染中最常见的病原体是() ["细菌","病毒","真菌","肺孢子虫","弓形虫"]
可将生物活性物质导向靶细胞特定部位的是() ["抗体融合蛋白","双特异性抗体","人源化抗体","小分子抗体","抗体库技术"]
可在原核细胞中表达,在人体内穿透力强的是() ["抗体融合蛋白","双特异性抗体","人源化抗体","小分子抗体","抗体库技术"]
血糖增高性糖尿不包括()。 ["静脉输注高渗葡萄糖溶液后引起的糖尿","应激性糖尿","代谢性糖尿","妊娠期糖尿","嗜铬细胞瘤引起的糖尿"]
简述光纤通信有哪些优、缺点?