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【单选题】
在以下属性(属性组)中,可作为一个学生登记表的码的是?A.
性别
B.
年级
C.
姓名
D.
身份证号
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．For women 20～21 and for men 22～23. B．For women 21 and for men 22. C．For women 20～23 and for men 22～24. D．For women 21～22 and for men 22～23.
【简答题】A．Men and women like to argue. B．Men and women talk and think in different ways. C．Men and women are very similar. D．Men and women are likely to get angry.
【简答题】A．Men should remember whatever women say. B．Men should give women whatever they want. C．Women give it when men fail to catch what they say. D．Women appreciate it when men make an effort to understand ...
【简答题】A．Men are stronger than women. B．Men are more talkative than women. C．Men use language more than women. D．Men have greater power than women.
【单选题】在磁罗经罗经柜内左右两边水平纵向放置的磁棒为（）校正器，用于校正罗经的（）。
A.
硬铁；半圆自差力
B.
硬铁；象限自差力
C.
软铁；半圆自差力
D.
软铁；象限自差力
【单选题】Men and women ______________.
A.
differ physically in some limited ways
B.
are different in that men are physically superior to women
C.
are different in that women are physically superior to men
D.
are physically equal
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