胰岛素的鉴别
A．高效凝胶过滤色谱法B．超临界流体萃取法C．气泡上升法D．家兔惊厥试验E．甲苯法
参考答案：D
----So you missed the lecture given by Professor Smith．
-------____．I got there 30 minutes before it finished．
A．Not exactly
B．Not really
C．Not a little
D．Not at all
下列哪一项不是结核病的治疗原则
A．早期应用B．联合应用C．分阶段用药D．足量E．规律用药
