下列哪种情况不导致呼吸功增加()
A.胸肺顺应性下降
B.气道阻力增加
C.气道分泌物增多
D.气管切开
E.呼吸机回路积水
参考答案:D
_______to sunlight for too much time will do harm to one’s skin.
A.Being exposed
B.Having exposed
C.Exposed
D.After being exposed
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