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转转鸭:亲爱的同学们,快乐而充实的四年级即将结束了,我们将满怀信心地进入一个新的学期。大家一起来复习上学期的知识,做个自我考查吧!
Turn duck: dear classmates, happy and fulfilling fourth grade is coming to an end, we will confidently enter a new semester. We work together to review the knowledge of last semester, be a self-examination it!