下列哪种措施有利于建立免疫耐受
A.应用GM-CSF
B.应用IL-2
C.应用抗IL-2受体的单抗
D.将负载肿瘤抗原的DC回输机体
E.应用基因修饰的"瘤苗"
参考答案:C
病历摘要:熟练掌握药品分析检验的基本原理、方法、特点、注意事项和应用
薄层色谱法分离生物碱常用的条件之一是 ()
A.硅胶板加EDTA
B.硅胶板加醋酸盐
C.展开剂中加二乙胺或氨水
D.展开剂中加稀醋酸
E.使用聚酰胺板
A football match between Class Two and Class Three ________tomorrow afternoon.[ ]
A. is held
B. was held
C. must be held
D. will be held