理性知识
参考答案：
是反映的是活动的本质特征与内在联系，包括概念和命题两种形式。
Since the early nineties, the trend in most businesses has been toward on-demand, always-available products and services that suit the customer’s ________ rather than the company’s.
A．benefit
B．availability
C．suitability
D．convenience
下列哪项不属心火亢盛证的临床表现（）
A.心烦口渴
B.口舌生疮
C.吐血衄血
D.狂躁谵语
E.心悸怔忡
