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【单选题】
若某属性非该关系的主键,却是另外一个关系的主键,则该属性称为
A.
外
B.
主键
C.
候选键
D.
其余都不是
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参考答案：
举一反三
【单选题】( )是车身倾斜的原因。
A.
后桥异响
B.
主销变形
C.
车架轻微变形
D.
单侧悬挂弹簧弹力不足
查看完整题目与答案
【单选题】--Kathy and her sister are so alike． --Yeah, I can’t tell one from ________．
A.
another
B.
other
C.
the other
D.
others
查看完整题目与答案
【单选题】( )是车身倾斜的原因。
A.
后桥异响
B.
主销变形
C.
车架轻微变形
D.
单侧悬架弹簧弹力不足
查看完整题目与答案
【单选题】女，28岁，孕40周。现在产房，试问宫口开全后，开始保护会阴的时间是
A.
经阴道外口看到胎发时
B.
胎头拨露阴唇后联合紧张时
C.
胎头拨露10分钟时
D.
胎头开始拨露
E.
胎头开始着冠时
查看完整题目与答案
【单选题】The author views deja vu as______.
A.
an issue that defies explanation, forcing one to rely on supposition
B.
the phenomena that is best answered by science
C.
a contentious issue that is hard to resolve
D.
a question with different answers based on whether one believes in religion, mysticism or science most strongly
查看完整题目与答案
【判断题】The arguments over tube babies are not so much a moral issue and a legal one. This sentence means the arguments over tube babies are equally regarded as a moral issue and a legal one.
A.
正确
B.
错误
查看完整题目与答案
【单选题】-Of all the skirts, the red one looks as ______ as the others. -I think so. And it's ______ than the others. [     ]
A.
beautifully ; quite cheaper
B.
beautiful ; much cheaper
C.
beautifully ; more cheap
D.
beautiful ; much more cheaper
查看完整题目与答案
【单选题】开始保护会阴最正确的时间是( )
A.
胎头着冠以后
B.
胎头开始拨露
C.
看见胎头以后
D.
胎头拨露使阴唇后联合紧张时
E.
宫口开全时
查看完整题目与答案
【单选题】宫口开全后,开始保护会阴的正确时间是:
A.
胎头着冠以后
B.
胎头开始拨露
C.
看见胎发以后
D.
胎头拨露，致阴唇后联合紧张时
E.
宫口开全，会阴消毒以后
查看完整题目与答案
【单选题】This issue is so complicated because______.
A.
the pope has no capacity to deal with it
B.
it involve two poles of near certainty
C.
it may affect the pope's orthodoxy
D.
there are two parties on this issue in the church
查看完整题目与答案
相关题目：
【单选题】( )是车身倾斜的原因。
A.
后桥异响
B.
主销变形
C.
车架轻微变形
D.
单侧悬挂弹簧弹力不足
查看完整题目与答案
【单选题】--Kathy and her sister are so alike． --Yeah, I can’t tell one from ________．
A.
another
B.
other
C.
the other
D.
others
查看完整题目与答案
【单选题】( )是车身倾斜的原因。
A.
后桥异响
B.
主销变形
C.
车架轻微变形
D.
单侧悬架弹簧弹力不足
查看完整题目与答案
【单选题】女，28岁，孕40周。现在产房，试问宫口开全后，开始保护会阴的时间是
A.
经阴道外口看到胎发时
B.
胎头拨露阴唇后联合紧张时
C.
胎头拨露10分钟时
D.
胎头开始拨露
E.
胎头开始着冠时
查看完整题目与答案
【单选题】The author views deja vu as______.
A.
an issue that defies explanation, forcing one to rely on supposition
B.
the phenomena that is best answered by science
C.
a contentious issue that is hard to resolve
D.
a question with different answers based on whether one believes in religion, mysticism or science most strongly
查看完整题目与答案
【判断题】The arguments over tube babies are not so much a moral issue and a legal one. This sentence means the arguments over tube babies are equally regarded as a moral issue and a legal one.
A.
正确
B.
错误
查看完整题目与答案
【单选题】-Of all the skirts, the red one looks as ______ as the others. -I think so. And it's ______ than the others. [     ]
A.
beautifully ; quite cheaper
B.
beautiful ; much cheaper
C.
beautifully ; more cheap
D.
beautiful ; much more cheaper
查看完整题目与答案
【单选题】开始保护会阴最正确的时间是( )
A.
胎头着冠以后
B.
胎头开始拨露
C.
看见胎头以后
D.
胎头拨露使阴唇后联合紧张时
E.
宫口开全时
查看完整题目与答案
【单选题】宫口开全后,开始保护会阴的正确时间是:
A.
胎头着冠以后
B.
胎头开始拨露
C.
看见胎发以后
D.
胎头拨露，致阴唇后联合紧张时
E.
宫口开全，会阴消毒以后
查看完整题目与答案
【单选题】This issue is so complicated because______.
A.
the pope has no capacity to deal with it
B.
it involve two poles of near certainty
C.
it may affect the pope's orthodoxy
D.
there are two parties on this issue in the church
查看完整题目与答案
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