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问题 单项选择题

在用起重机械的安全定期监督检验周期为______年。

A．1
B．2
C．3
D．5

答案

参考答案：B

单项选择题

表现为先见全身战栗，几经挣扎，而继之汗出的为（）

A．盗汗

B．自汗

C．头汗

D．战汗

E．大汗
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单项选择题

A nurse performs cardiopulmonary resuscitation (CPR) for 1 minute on an infant without calling for assistance. In reassessing the infant after I minute of CPR, the nurse finds that he still isn't breathing and that he has no pulse. The nurse should then （）.

A．resume CPR beginning with breaths.

B．declare her efforts futile.

C．resume CPR beginning with chest compressions.

D．call for assistance.
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