单项选择题
A.0.01~0.1ml B.0.1~10ml C.10~15ml D.15~20ml
A.100~150μl B.50~100μl C.10~50μl D.0.1~10μl
A.高灵敏度 B.高选择性 C.应用范围窄 D.分析速度快