题目内容

水冷壁管的作用为（）

A. 净化蒸汽，组成水循环回路和蓄水
B. 汇集或分配多根管子中的工质
C. 在炉膛内壁上吸收高温辐射热量，提高锅炉产气量

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更多问题

You plan to upgrade a computer that runs Windows 2000 to Windows XP Professional. You need to verify that the applications currently installed on the computer will run after the upgrade. What should you do before you start the Windows XP Professional installation?（）

A. From the Windows XP Professional source files, run winnt.exe /u.
B. From the Windows XP Professional source files, run Winnt32 /checkupgradeonly.
C. Review the Windows Hardware Compatibility List on the Microsoft Web site.
D. Start the computer from the Windows XP Professional installation CWhen prompted, press F6.

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