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【多选题】
下列哪些属于 RAID5 的特点A.
专用磁盘保存校验数据
B.
校验数据平均分布在所有磁盘上
C.
规格相同的5个磁盘，做成1个RAID5，实际可用空间为4块磁盘的空间
D.
RAID5至少需要3块磁盘组成
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举一反三
【单选题】听力原文：M: I am surprised to see you using the record player I was going to throw W: It still works. You'd better get fid of these wasteful habits. What does the woman mean?
A.
The record player is still useful.
B.
The man shouldn' t have thrown it away.
C.
The man should abandon his bad habit.
D.
She is going to use the record player.