要将蛋白质和其所含有的盐份分开可选用（）
A.透析技术
B.离心技术
C.盐析技术
D.电泳技术
E.分子杂交技术
参考答案：A
脾经湿热引起的前阴病时，宜选用以下何方（）
A.三仁汤
B.龙胆泻肝汤
C.八正散
D.萆薢分清饮
E.补中益气汤
It was in the lab ______ was taken charge of by Pro. Harris ______ they did the experiment.
A．which; where
B．that; which
C．whom; that
D．which; that
