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【单选题】
Win2008支持动态磁盘,以下对动态磁盘的阐述中,不正确的是()
A.
带的特点之一是读写速度快
B.
跨区卷可以把多个磁盘空间组合
C.
镜{象卷的磁盘利用率只有50%
D.
.Raid5卷的利用率只有50%
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参考答案:
举一反三
【判断题】按聚合物结构分类,缩聚反应可以分缩合反应、线型缩聚和体型缩聚
A.
正确
B.
错误
【简答题】我国证券交易所是按公司制方式组成。( )
【判断题】按聚合物结构分类,缩聚反应可以分缩合反应、线型缩聚和体型缩聚。
A.
正确
B.
错误
【判断题】我国证券交易所是按公司制方式组成
A.
正确
B.
错误
【单选题】已知两个正弦量为 , ,则( )
A.
i1比i2超前60
B.
i1比i2滞后60
C.
i1比i2超前90
D.
不能判断相位差
【单选题】已知两个正弦量为 , ,则( )
A.
u1比u2超前30度
B.
u1比u2滞后30度
C.
u1比u2超前90度
D.
不能判断相位差
【单选题】What does the writer say about the classified advertisements that used to be put in the papers?
A.
They used to be voluntary.
B.
They used to use display type.
C.
They were all of the same size.
D.
They were more formal.
【单选题】What does the writer say about the classified advertisements that used to be put in the papers?
A.
They used to be voluntary.
B.
They used to use display type.
C.
They were all the same size.
D.
They were more formal.
【单选题】The modern city is quite different from what it ____ some ways. A . was used to be in B . used to by C . used to be in D...
A.
. was used to be in
B.
. used to by
C.
. used to be in
D.
. was used to being in
【单选题】已知两个正弦量为 ,则
A.
B.
C.
D.
不能判断相位关系
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