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【单选题】
给强心甙类药物，每次发药前测脉率、脉律，如脉搏<( )次/min或脉律不齐，应停止发药，并通知医生。
A.
50
B.
60
C.
65
D.
70
E.
80
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
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A.
The multi-functional use of high heels.
B.
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C.
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D.
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A.
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B.
太极拳
C.
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D.
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