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问题 单项选择题

关于肺脏的血液供应，下列哪种说法是正确的（）

A.肺动脉和肺静脉是肺的营养血管

B.支气管动脉与支气管静脉是肺的功能血管

C.组成小循环的肺动脉和肺静脉具有气体交换的功能

D.属于大循环的支气管动脉和支气管静脉具有气体交换的功能

E.支气管静脉注入奇静脉或半奇静脉，回流至下腔静脉

答案

参考答案：C

单项选择题 A3型题

女性，32岁，因甲状腺功能亢进入院，准备择期接受甲状腺大部切除手术治疗。

为了预防手术后呼吸道并发症，必须在其床边准备（）

A.吸氧管

B.体温计

C.吸痰管

D.气管切开包

E.接呕吐物的弯盘
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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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