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【单选题】
Of all the books on the desk, _____is of any use for our study.A.
no one
B.
nothing
C.
none
D.
neither
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反馈参考答案：
举一反三
【单选题】. 断面图被切到的实体部分应画材料图例,如未注明何种材料,则应画剖面线,剖面线为相互平行、等间距的
A.
30°细实线
B.
45°细实线
C.
45°粗实线
D.
60°粗实线
【多选题】What are the advantages of variable extent size support for large ASM files?（）
A.
It improves resync operations when the disk comes online after being taken offline for maintenance purposes.
B.
It improves performance in the extended cluster configuration by reading from a local copy of an extent.
C.
Fewer extent pointers are needed to describe the file and less memory is required to manage the extent maps in the shared pool.
D.
This feature enables faster file opens because of the reduction in the amount of memory that is required to store file extents.
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