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【简答题】
Once upon a time, there lived a little princess named Nü Wa , who was the youngest daughter of Emperor Yan , the legendary ruler in ancient Chinese mythology.
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皮皮学刷刷变学霸
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【单选题】重症监护病人进行机械通气的指征为。( )
A.
呼吸频率>35次/分,二氧化碳分压>50mmHg
B.
呼吸频率>35次/分,氧分压<75mmHg< /div>
C.
氧分压<60mmHg,二氧化碳分压>55mmHg
D.
呼吸频率>30次/分,血氧饱和度<95%< /div>
【简答题】-I don't like chicken fish. -I don't like chicken, ______I
like fish very much.A. and; and B. and; but C. or; but D. D. or; and