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电力系统是指电力网以及向其提供（）和获取（）的一切电气设备。

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为什么任务划分是实施信息系统项目管理的第一步，也是关键的一步？

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TOSI锅炉KVS磨煤机正常运行时，密封空气／一次风压差不小于（）kPa且不大于（）kPa。

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《电力设施保护条例》：“电力企业应加强对电力设施的保护工作，对危害电力设施安全的行为，应采取适当措施，予以制止。（）

A. 正确
B. 错误

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You are the network administrator for Company.com. Your computer has Windows 2000 Professional installed. You install an upgraded driver for your video card. When you restart the computer you receive the following message: **** Stop: 0x000000B4 – The video driver failed to initialize.” The computer will not start in safe mode. You want your computer to start properly. What should you do?（）

A. Start the Repair option and select the option to locate and repair system files.
B. Start the computer by enabling VGA mode.
C. Use the Recovery and repair the Master Boot Record.
D. Restart the computer in debug mode.

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