铜线居民区架空线路导线3~10kV线路截面应不小于()。
A. 35mm2
B. 25mm2
C. 20mm2
D. 16mm2
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You use a Windows 2000 Professional computer to run a weekly report. When the report is running on the computer, another task stops responding and eventually times out. When you run only the other task, the task completes successfully. You use Task Manager to view your system resources. In the weekly report, the processor time counter reads a high value. You want to resolve the problem by using Task Manager. What should you do?()
A. Upgrade the RAM of this computer.
B. Add another hard disk to the computer and execute the report application from that hard drive.
C. Split the paging file across two physical disks.
Decrease the base priority of the weekly report task.
防护区内设置的预制灭火系统的充压压力不应大于()MPa。
A. 1.5
B. 1.6
C. 2.1
D. 2.5
含油污水和不含油的废水应合并后一起到污水处理装置处理。
A. 正确
B. 错误
子囊菌中双核阶段较长,而担子菌中双核阶段存在时间较短。()
A. 正确
B. 错误