青书学堂: (单选题) After a year, Ron to realize that ________.(本题1.5分)
his work at the supermarket was dull
举一反三
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青书学堂: (单选题) The old couple married on 20 May 1964, and so every year they have a party on their ________.(本题1.0分)
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青书学堂: (单选题) 单选:设S={0,1},*为普通乘法,则< S , * >是( )。(本题1.0分)
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青书学堂: (单选题) 单选:设,*为普通乘法,则[S,*]是( )。(本题1.0分)
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青书学堂: (单选题) 产后身痛的分型( )(本题3.0分)
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青书学堂: (单选题) 教师成长的三个阶段分别是( )。(本题2.0分)