各活动圈评审分数由现场评审分数和发表会分数两部分构成，若按100分计，其中发表会分数所占比例应为（） ["10%","15%","20%","25%"]
食品生产经营者应当按照《食品安全法》的规定建立食品安全追溯体系。
清末，安徽出现了一批年轻诗人和女诗人，其中“不作人间字，长留天上文”一诗出自（）之手。 ["陈世熔","潘奕书","吴山","吴仲芳"]
罐车排油管盖链环磨耗直径小于（）时更换。 ["4mm","5mm","6mm","8mm"]
I'm（）to graduate in the next half of the year. ["owing","thanks","due","because"]
简述蒙古族民间音乐的特点是什么？
