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问题 单项选择题 A1型题

关于一氧化碳中毒下述错误的是（）

A.重度中毒COHb浓度为40~60%

B.轻度脱离后吸氧即可缓解

C.中度表现为去皮质综合征状态

D.重度为呼吸抑制，肺水肿和心衰表现

E.可导致中毒迟发脑病

答案

参考答案：C

单项选择题

If a firm announces an unexpectedly large cash dividend, the efficient market hypothesis (EMH) would predict which of the following price changes at the announcement（）

A. An abnormal price change to occur before the announcement.

B. An abnormal price change to occur at the time of the announcement.

C. A gradual price change to occur for several weeks after the announcement.
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单项选择题

热因热用法适用于治疗

A．里热外寒
B．里寒外热
C．真热假寒
D．真寒假热
E．寒热往来
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