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冲砂洗井的主要方式有哪些?

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During a system boot, an error message appears concerning a paging space, paging00. The paging space was located on hdisk2, but the disk was removed from the system without proper software procedures. Which of the following commands should be used as the first step in the process of recovery?()

A. mkps paging00 hdisk0
B. chpv -v r hdisk2
C. chps -a n paging00
D. reducevg rootvg hdisk2

地市公司在系统录入、确认ICT业务,只需经系统集成中心审核即可,无需财务部审核,财务部关账后再对列收ICT业务进行抽检。

A. 正确
B. 错误

系统论教学理论所遵循的教学原则是()。

某县全人群吸烟率为32.5%,在该县刚刚结束的一项前瞻性队列研究发现吸烟导致冠心病的相对危险度为2.0,则吸烟导致冠心病发生的人群归因危险度百分比是()

A. 16.25%
B. 30.19%
C. 50.00%
D. 24.53%
E. 无法计算

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