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【单选题】
设 是整系数多项式,则下列命题正确的是( )A.
有有理根的充要条件是 在有理数域上可约
B.
若既约分数 是 的根，则 可整除 的常数项
C.
若 是素数且能整除最高项以外的所有项系数，则 在有理数域上不可约
D.
若 有重因式，则它在有理数域上必有重根
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【单选题】党的十八大报告指出“倡导富强、民主、文明、和谐倡导自由、平等、公正、法治、倡导爱国、敬业、诚信、友善积极培育时间社会主义核心价值观。”其中“爱国、敬业、诚信、友善”是( )
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