名词短语
中文翻译：成绩比率
同义词：
['grade rate', "grade ratio例句：1. The teacher gave thestudents a quiz to test their understanding ofthe material.（老师给学生出了一个测验，以测试他们对材料的理解。）2. The student'sperformance in the exam was not as goodas expected", 'which is a concern forthe teachers.（学生在考试中的表现没有达到预期，这令老师们感到担忧。）']
例句：
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1. The teacher gave thestudents a quiz to test their understanding ofthe material.
老师给学生出了一个测验，以测试他们对材料的理解。
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2. The student'sperformance in the exam was not as goodas expected, which is a concern forthe teachers.
学生在考试中的表现没有达到预期，这令老师们感到担忧。
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3.To improve the learning experience, we needto analyze the data and find out therate of improvement.
为了改善学习体验，我们需要分析数据并找出进步率。