以下哪种不是单克隆抗体的特点（） ["识别一种抗原表位","制备成本高","纯度高","效价高","特异性强"] 下列哪项不是亡阳证的表现（） ["面色苍白","汗出而热","呼吸微弱","脉微欲绝","四肢厥冷"] 独特型抗原决定簇的氨基酸差异主要在（） ["恒定区","绞链区","可变区","超变区","补体结合区"] 内源性抗原递呈途径是（） ["MHCⅠ类分子途径","MHCⅡ类分子途径","非经典的抗原递呈途径","脂类抗原的CD1分子递呈途径","经典的抗原递呈途径"] MHC分子对抗原的交叉递呈是（） ["MHCⅠ类分子途径","MHCⅡ类分子途径","非经典的抗原递呈途径","脂类抗原的CD1分子递呈途径","经典的抗原递呈途径"] 外源性抗原递呈途径是（）