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谈话计划的内容是什么？

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Consider the following configuration： /devices/D1is a member of disk group dgroupA. /devices/D2is a member of disk group dgroupA. /devices/D3is a member of disk group dgroupA. You plan to add a new disk， /devices/D4，to the disk group dgroupA. You execute the following command： SQL> ALTER DISKGROUP dgroupA ADD DISK ’/devices/D*’； Which task would be accomplished by the command？（）

A. The command adds the new disk， D4， to the disk group.
B. The command would result in an error because the is no disk by the name "’/devices/D*’"
C. The command will be ignored because disks starting with "D" are already members of the disk group.
D. The command would result in an error because no wildcard characters can be used in the disk name.
E. The command first detaches all the member disks starting with "D"， and the reattaches them including the new disk.

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我国农业装备发展存在的差距与问题？

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BAS系统对车站设备的管理构成（）控制

A. 车站和就地两级
B. 中央、车站两级
C. 中央、车站和就地三级
D. 中央和就地两级

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下列哪条不是渗透检测中的安全措施（）

A. 避免渗透剂与皮肤长时间接触
B. 避免吸入过多的显像剂粉末
C. 无论何时都必须带防毒面具
D. 由于渗透检测中使用的溶剂是易燃的，所以这种材料应远离明火

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