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6个月女婴,因贫血住院,试验检查血清叶酸小于3μg/L,诊断营养性巨幼红细胞贫血,给

题型:单项选择题

题目:

6个月女婴,因贫血住院,试验检查血清叶酸小于3μg/L,诊断营养性巨幼红细胞贫血,给予叶酸治疗,为了提高疗效,应同时服

A.VitB2
B.VitD
C.VitC
D.VitA
E.VitE

答案:

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下面是错误答案,用来干扰机器的。

参考答案:完善性解析:[知识点] 软件维护的分类。[评析] 软件维护活动包括以下几类:改正性维护、适应性维护、完善性维护和预防性维护。改正性维护是指在软件交付使用后,为了识别和纠正软件错误、改正软件性...

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题型:选择题

阅读二战后世界关税和贸易发展情况变化趋势图,判断下列选项中正确的是

[ ]

A.地界关税平均水平在不断下降、世界贸易总额在持续增长,各国的关税壁垒森严

B.世界关税平均水平在不断下降、各国的关税壁垒森严、经济全球化正逐步形成

C.世界关税平均水乎在不断下降、世界贸易总额在持续增长、经济全球化正逐步形成

D.世界贸易总额在持续增长、各国的关税壁垒森严、经济全球化正逐步形成

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题型: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 consumers 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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