阿米巴痢疾肠道溃疡的特点是 A.地图状 B.不规则形 C.溃疡与肠轴垂直 D.溃

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问题:

阿米巴痢疾肠道溃疡的特点是

A.地图状
B.不规则形
C.溃疡与肠轴垂直
D.溃疡与肠轴平行
E.口小底大烧瓶状

考点:卫生资格考试(中初级)病理学专业知识和专业实践能力病理学专业知识和专业实践能力
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计算:
(1)2×[5+(-2)3];
(2)5x3-3[-x2+2(x3-
1
3
x2
)],其中x=-2.
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突变可分为染色体畸变及基因突变两类,根据发生病变的原因又可分为自然突变和人工诱变两类。

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In the following passage, there are 25 blanks representing words that are missing from the context. You are to put back in each of the blanks the missing word. Write your answers on the ANSWER SHEET. The time for this section is 25 minutes.
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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社会工作价值观的个别化原则是指( )。

A.社会工作者追求自身的个性发展

B.社会工作者鼓励服务对象保持个性

C.与我国社会主流价值观不相称

D.社会工作者应尊重服务对象的个性与人格,理解其存在的差异

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患者男性,68岁,患肝硬化3年,呕血、黑便3天。患者神志清楚,在急诊输血、补液治疗。既往有多次肝性脑病,现为求系统治疗收住病房。

为预防肝性脑病的发生,首先应采取哪项措施

A.输血、补液治疗

B.预防应用精氨酸

C.预防应用抗生素

D.灌肠导泻,清除积血

E.给予保肝药

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