题目内容

负责对职工广泛开展劳动安全卫生教育义务的主体是()。

A. 用人单位
B. 劳动行政部门
C. 职业安全卫生行政管理部门
D. 企业工会

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登账后若发现凭证有错误,可通过取消登账和取消审核然后修改。()

A. 正确
B. 错误

当你将ELEC 1# HYD PUMP电门置于ON(接通)位时,哪个系统有压力()

A. 仅A系统
B. 仅B系统
C. A系统和备用液压系统
D. B系统和备用液压系统

You have a server that runs Windows Server 2003 Service Pack 2 (SP2). You have a third-party hardware device installed. The device uses a third-party driver. The device works properly. The driver’s hardware manufacturer provides a new device driver. You update the device driver, but the device fails to work. You need to ensure that you can use the new hardware device. What should you do? ()

A. Connect to Windows Update and install all driver updates.
B. From the properties of the device, select Roll Back Driver.
C. From Device Manager, uninstall the device and then restart the server.
D. From Device Manager, disable the device and then click Scan for hardware changes.

内存条线路板上使用的电阻元件是()

A. 贴片
B. 电解
C. 彩环
D. 插脚

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