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【单选题】
男性,50岁。既往有胃溃疡病史,今天上午突然急性呕血和便血约400ml以上,入院后其护理哪项是错误的 ( )
A.
禁食、安静卧床
B.
补液、配血
C.
观察呕血、便血情况
D.
输液速度要快,维持血压高于正常值
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【单选题】I always spend much time _ in order to get good grades in exams.
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