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【单选题】
查询计算机系的所有男生信息______。A.
select * from 学生表 where 所在系=计算机系 and 性别=男
B.
select * from 学生表 where 所在系=‘计算机系’and 性别=‘男’
C.
select * from 学生表 where 所在系=计算机系 or性别=男
D.
select * from 学生表 where 所在系=‘计算机系’or性别=‘男’
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举一反三
【简答题】A．It became a hit. B．It was a failure. C．It was a success in a long run. D．It never stopped.
【简答题】发动机两大机构,发动机下面机构在点火时,气体燃烧膨胀做功,在一个工作循环中,活塞往复运动次。推动连杆带动曲轴旋转。
【简答题】脉搏仅见于寸关部，尺脉不显而无力，通常见于：
【单选题】Why did he buy it?
A.
It was very interesting.
B.
It was cheap.
C.
It was a good reading material for learning English.
【简答题】A．It was a dinner party. B．It was a neighborhood party. C．It was a birthday party. D．It was a bank party.
【简答题】It was a quiet village in which there was a military camp. It was far from the towns and cities and there were some high mountains around. Of course it was a good place for training the new soldiers. ...
【简答题】发动机两大机构,发动机下面机构在点火时,气体燃烧膨胀做功,在一个工作循环中,活塞往复运动_次?
【简答题】发动机两大机构,发动机在一个工作循环中,曲轴旋转通过皮带或链条,带动凸轮轴旋转____圈。
【简答题】A．It was a great comfort. B．It was a sign of er. C．It was a call for help. D．It was a musical note.
【简答题】A．They believed it was a gift from the gods. B．They believed it was a warning from outside world. C．They believed it was a sign of misfortune. D．They believed it was a trouble- property.
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