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【单选题】
当V0=2时,D5V0是指( )
A.
D7
B.
D5
C.
D6
D.
D8
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A.
单精度实型 4个字节
B.
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A.
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B.
compare
C.
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D.
cmp
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A.
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B.
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A.
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B.
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D.
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【单选题】双精度型 数据需( )字节
A.
2
B.
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C.
6
D.
8
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A.
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B.
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A.
反对关系
B.
属种关系
C.
交叉关系
D.
矛盾关系
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