题目内容

用电点的电压一般不宜低于设备额定电压的()%。

A. 80;
B. 85;
C. 90;
D. 95。

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回采工作面回采结束后(),提出该工作面采后总结。

70%~75%乙醇的消毒灭菌机制是使蛋白质变性和凝固。

A. 正确
B. 错误

输气站发生计量事故、纠纷,输气工没有责任协助调查.

A. 正确
B. 错误

As a candidate for CCNA examination, when you are familiar with the basic commands, if you input thecommand "enable secret level 5 password" in the global mode , what does it indicate?()

A. Set the enable secret command to privilege level 5
B. The enable secret password is hashed using MD5
C. The enable secret password is for accessing exec privilege level 5
D. The enable secret password is hashed using SHA
E. The enable secret password is encrypted using Cisco proprietary level 5 encryptio

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