下列说法正确的是( )A.一个钝角与一个锐角的差一定是锐角B.一个钝角与一个直

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问题:

下列说法正确的是(   )
A.一个钝角与一个锐角的差一定是锐角
B.一个钝角与一个直角的差一定是锐角
C.一个钝角与一个锐角的差一定是直角
D.一个钝角与一个直角的差一定是钝角
考点:角的概念
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假性神经递质的化学结构与真性神经递质相似,但生理功能远较真性神经递质为弱。

题型:选择题

下列哪些因素在临产时会增加心脏及循环负荷()

A.腹壁肌收缩

B.骨盆肌收缩

C.疼痛

D.子宫收缩

E.咪达唑仑的应用

题型:选择题

我国根据国情选用了一些非国际单位作为法定计量单位,如体积、质量等的单位选用了()。

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下列关于领导创新,表述不正确的是()

A.领导创新具有首创性、收益性、进步性等特征

B.领导创新与领导环境密切相关

C.创新起源于想法或灵感。推动创新进程的想法可以是不切合实际的

D.在领导创新过程中没有固定不变的模式可以依循

题型:选择题

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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