采用特殊材料和方法设计制作的固定义齿包括() ["A．即刻固定义齿","B．弹簧式固定义齿","C．粘结固定义齿","D．种植基牙固定义齿","E．盖嵴式固定义齿"] 在生物素标记抗体时，生物素:IgG的比例(mg/mg)为多少时，效果较好() ["A．1:1","B．2:1","C．3:1","D．4:1","E．5:1"] 固定义齿由哪几部分组成() ["A．基牙","B．桥体","C．塑胶牙","D．固位体","E．连接体"] 临床上通常根据固定桥的结构不同而分为() ["A．双端固定桥","B．半固定桥","C．盖嵴式固定桥","D．复合固定桥","E．单端固定桥"] 链霉亲和素的活性单位是以结合多少生物素所需的量来表示() ["A．1μg","B．2μg","C．3μg","D．4μg","E．5μg"] 常用于偏酸性抗原标记的生物素是()