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问题 单项选择题 A1/A2型题

关于浸出制剂的表述中错误的是（）

A.适当加入酸，有利于生物碱的浸出

B.适当用碱，可促进某些有机酸的浸出

C.扩散面积F越大，浸出越快，但过细的粉末也不适于浸出

D.温度升高有利于加速浸出

E.浓度梯度与浸出速度无关

答案

参考答案：E

填空题

Some consumer researchers distinguish_____(1) "rational" motives and "emotional" (or "non-rational") motives. They use the term "rationality"_____(2) the traditional economic sense that assumes_____(3) consumers behave rationally when they carefully consider all alternatives_____(4) choose those that give them the greatest utility (i.e., satisfaction). _____(5) a marketing context, the term "rationality" implies that the consumer selects goods based_____(6) totally objective criteria, such_____(7) size, weight, price, and so on. "Emotional" motives imply the selection of goods____(8) to personal or subjective criteria — the desire_____(9) individuality, pride, fear, affection or status.The assumption underlying this distinction is____(10) subjective or emotional criteria do not maximize utility or satisfaction. _____ (11), it is reasonable to assume that consumers always attempt to select alternatives that, ____(12) their view, serve to maximize satisfaction. Obviously, the assessment of satisfaction is a very personal process, based_____(13) the individual’’s own needs as_____(14) as on past behavioral, social, and learning experiences. What may appear_____(15) irrational to an outside observer may be perfectly rational ______(16) the context of the consumer’’s own psychological field. For example, a product purchased to enhance one’’s self-image (such as a fragrance) is a perfectly rational form of consumer behavior. ____(17) behavior did not appear rational to the person who undertakes it_____ (18) the time that it is undertaken, obviously he or she would not do it._____(19) the distinction between rational and emotional motives does not appear to be warranted.Some researchers go so far_____(20) to suggest that emphasis_____ (21) "needs" obscures the rational, or conscious, nature of most consumer motivation. They claim that con sumers act consciously____(22) maximize their gains and minimize their losses; that they act not____(23) subconscious drives but from rational preferences,____(24) what they perceive to be_____(25) their own best interests.
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单项选择题

关于原发性肝癌的叙述，下列哪项不恰当（）.

A.大体病理形态可分为结节型、巨块型和弥漫型

B.有半数患者以肝区疼痛为首发症状

C.约30%的患者AFP为阴性

D.主要并发症有肝昏迷、上消化道出血等

E.肝移植是目前首选的、最有效的治疗方法
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