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【单选题】
心肺脑复苏中，为防止脑水肿最常用的方法和措施是（）A.
纠正酸中毒
B.
维持循环，呼吸功能稳定
C.
降温、脱水治疗
D.
抗感染治疗
E.
激素治疗
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举一反三
【单选题】According to the passage, today’s successful firms,unlike successful firms in the past, may earn the greatest profits by______
A.
investing in research to produce cheaper versions of existing technology
B.
being the first to market a competing technology
C.
adapting rapidly to a technological standard previously set by a competing firm
D.
establishing technological leadership in order to shape product definitions in advance of competing firms
E.
emphasizing the development of methods for the mass production and distribution of a new technology.
【简答题】中国幼教之父、著名儿童教育家 认为,幼稚期是人生最重要的一个时期,什么习惯,语言,技能,思想,态度,情绪都要在此时期打一个基础,若基础打得不稳固,那健全的人格就不容易形成了。
【单选题】The monopolisti ccompetition model is one in which there is/are
A.
a monopoly
B.
perfect competition.
C.
economies of scale.
D.
governmentintervention in the market.
E.
None of the above.
【单选题】Firms in a competitive market are incurring economic losses. In the long run, firms exit the market and as they do, the economic losses of the remaining firms ______.
A.
increase because the market demand for the good decreases
B.
decrease until the remaining firms break even
C.
decrease until the remaining firms make economic profits
D.
do not change
E.
increase because the market demand for the good does not change
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