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【单选题】
在student、course和sc表的基础上,查询被为“9512101”的学生选修的课程的课程名,使用( )语句。A.
SELECT Cname FROM Course WHERE EXISTS( SELECT * FROM SC WHERE Sno=’ 9512101 ’ )
B.
SELECT Cname FROM Course WHERE EXISTS( SELECT * FROM SC WHERE Sno=’ 9512101 ’ AND Cno= Course.Cno)
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反馈参考答案：
举一反三
【单选题】The word 'realization' in line 4 is closest in meaning to__________. 查看材料
A.
certainty
B.
awareness
C.
surprise
D.
confusion
【简答题】A．extends B．implements C．generalization D．realization
【单选题】Since their realization depends on the cooperation of others, they will take some convincing steps to come round to the agent's point of view.
A.
fully understand
B.
resort to
C.
change opinions to fit
D.
go along with
【简答题】A．extends B．implements C．generalization D．realization
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