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【单选题】
NV 条目中,用于应用层的 NV 范围是( )A.
0x0001~0x0020
B.
0x0021~0x0040
C.
0x0081~0x00A0
D.
0x0201~0xFFFF
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举一反三
【单选题】He was so pleased with all ______ we had done for him _____ he wrote us a letter to praise us for it.
A.
what; what
B.
what; that
C.
that; what
D.
that; that
【单选题】He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise for it. [ ]
A.
that, that
B.
what, that
C.
that, which
D.
which, what
【单选题】在假设检验中，原假设为H0，备择假设为H1，则称（）为犯第二类错误。
A.
H0为真，接受H1
B.
H0为真，拒绝H1
C.
H0不真，接受H0
D.
H0不真，拒绝H0
【单选题】在原假设检验中,原假设 H0 ,备择假设 H1 ,则称()为犯第二类错误
A.
H0 为真，接受 H1
B.
H0 为真，拒绝 H1
C.
H0 不真，接受 H1
D.
H0 不真，拒绝 H1
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