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【单选题】
中华人民共和国国歌的曲作者是谁（）A.
B.
C.
贝多芬
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皮皮学刷刷变学霸
举一反三
【简答题】粗糙度符号中，Ra的数值越大，工件表面就越______，反之则越______。
【简答题】粗糙度符号中，Ra的数值越小，工件表面就越______，反之则越______
【简答题】Possibly the same is true social work.
【简答题】表面粗糙度高度参数R a 值越大，表示表面粗糙度要求越高；R a 值越小，表示表面粗糙度要求越低。( )
【简答题】We trust our quotation is so ______that no
suppliers will possibly offer the makes of the same quality at the lower price
than ours.A. unworkable B. realistic C. high D. unfavorable
【简答题】The primitive root of the pleasure of parenthood is two-fold. On the one hand there is the feeling of part of one’s own body externalized, prolonging its life beyond the death of the rest of one’s bod...
【简答题】过z 轴以及点(1,1,1)的平面方程是 。
【单选题】The police could not prove that he had been involved in the crime, so they had to _________ him.
A.
release
B.
relieve
C.
remove
D.
compensate
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