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What cause hypoxia?
选项：

A:Excessive carbon dioxide in the atmosphere.
B:An increase in nitrogen content of the air at high altitudes.
C:A decrease of oxygen partial pressure.

发布时间：2024-06-07 10:27:47

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What cause hypoxia? 选项： A:Excessive carbon dioxide in the atmosphere. B:An increase in nitrogen content of the air at high altitudes. C:A decrease of oxygen partial pressure.

What cause hypoxia?
选项：

A:Excessive carbon dioxide in the atmosphere.
B:An increase in nitrogen content of the air at high altitudes.
C:A decrease of oxygen partial pressure.