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【简答题】
关系数据模型的逻辑结构是二维表，关系中的列称为（），行称为元组。
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举一反三
【单选题】is no possibility Bob will win the first prize in the match.
A.
That; that
B.
There; that
C.
There; whether
D.
It ; whether
【简答题】若用JK触发器来实现特性方程为 ,则JK端的方程为 。A. B. C. D. E. 1
【判断题】Bob, at first, failed to recognize Jim and then took the plainclothes policeman to be him. This showed that Bob was pretty dumb.
A.
正确
B.
错误
【单选题】--- Thomas does well in dancing. How about Bob? --- Bob is_____, I think. He once won the first prize in a dancing competition.
A.
well
B.
better
C.
worst
D.
bad
【简答题】若用JK触发器来实现特性方程为 ,则JK端的方程为 。A. B. C. D.
【单选题】如何设置Telnet的密码为bob( )?
A.
line vty 0 1,login,password bob
B.
line vty 0 4,login,password bob
C.
line vty 1,login,password bob
D.
line vty 1,password bob,login
【单选题】_________is no possibility __________Bob can win the first prize in the match.
A.
There；that
B.
It；that
C.
There；whether
D.
It；whether
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