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【单选题】
女,30岁,自服安定约100粒,由家属送入院。查体:意识模糊,言语不清,四肢肌力差。血气分析:PaO2 49mmHg,PaCO2 53mmHg.引起该患者血气变化的主要机制是A.
通气/血流比例升高
B.
阻塞性通气功能障碍
C.
弥散功能
D.
解剖分流增加
E.
肺泡通气量下降
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举一反三
【单选题】24字的社会主义核心价值观相互联系、相互贯通,实现了( )的统一。
A.
政治理想、社会导向、行为准则
B.
政治理想、行为准则、社会导向
C.
社会导向、政治理想、行为准则
D.
行为准则、政治理想、社会导向
【单选题】It can be inferred from the passage that the author would argue that in determining population effects physiological energy requirements tend to be
A.
entirely superfluous
B.
globally consistent
C.
not wholly explanatory
D.
supremely crucial
E.
unfortunately complicated
【单选题】This passage tells us that______.
A.
the United Nations thinks it possible to avoid a population explosion
B.
5.1 billion people are living in the undeveloped countries
C.
in advanced nations the population growth is being controlled
D.
the world's population is increasing
【简答题】The journlas, popular magzines and newspapers are located in_____.
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