使用的电梯设备变更或报废,原使用单位应当在变更或报废的()前,向所在地的区、县质监部门办理相关手续。
A. 30日
B. 60日
C. 120日
D. 365日
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You install Microsoft Windows Vista on a new computer that is not connected to the Internet. After you log on, you receive a warning message about an unknown device. You need to prevent the display of the warning message until you download an available hardware driver. What are the two possible ways to achieve this goal? ()
A. Disable the device.
B. Uninstall the device.
C. Select the Ask me again later option from the warning message details.
D. Select the Dont show this message again for this device option from the warning message details.
脚手板的铺设可采用对接或搭接铺设。
A. 正确
B. 错误
第五套人民币1元纸币的票面宽度为()毫米。
A. 63
B. 70
C. 77
D. 56