《数学课程标准》中使用了“经历(感受)、体验(体会)、探索”等刻画数学活动水平的()的动词。
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An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level?()
A. vmtune -w
B. svmon -w
C. schedtune -w
D. vmstat -
通风是向井下供给足够的新鲜空气,按井下同时工作的最多人数计算,每人每分钟供给的风量不得小于4立方米。
A. 正确
B. 错误