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【单选题】
病人,男性,50岁。患糖尿病多年。在医院使用胰岛素期间,突然出现心悸、饥饿、出汗,随即意识不清,对该病人首要的抢救措施是()A.
加大胰岛素剂量
B.
加用二甲双胍
C.
静脉注射50%葡萄糖
D.
静脉滴注碳酸氢钠溶液
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举一反三
【单选题】With which of the following criticisms of Leonard's theory would the author of the passage be most likely to agree?
A.
It lays too much importance upon the antebellum ideology of women's nature and sphere.
B.
It fails to acknowledge that masculinization of women's war-time efforts may have been detrimental to the feminist cause.
C.
It tends to overemphasize the role of women in shifting their status over the course of the war.
D.
It basis its thesis too exclusively on white, Yankee, middle-class women, ignoring every other social and racial class.
E.
It omits to articulate the precise antebellum moral definition of womanhood that is its theme.
【多选题】Which of the following ideas are mentioned in the passage as elements of the theory of plate tectonics? Click on 2 answers.
A.
Boundaries where two pieces of the Earth's outer shell diverge.
B.
Zones where one tectonic plate moves under another.
C.
The expansion of oceans and other bodies of water.
D.
The existence of a land bridge that connected continents.
【单选题】According to the theory of the firm, which of the following statements describes an oligopoly?
A.
There are no barriers to entry into or exit from the market
B.
There is only one producer in the market
C.
There are four producers exerting considerable influence in the market
D.
There are many producers but they each use product differentiation to distinguish themselves from each other
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