下列哪项不属于热邪的致病特点
A.耗气伤津
B.热性炎上
C.热性干涩
D.易致疮痈
E.热易生风
参考答案:C
(2013·山东高考)I've lived in New York and Chicago, but don't like ________ of them very much.
A.either
B.any
C.each
D.another
从热力学角度简述萃取剂的选择原则。