for_elementary_school_students

1.The exploration of teaching argumentation for elementary school students.
论证教学对国小学童的效益探讨。
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2.I discovered that decades of investigation have failed to turn up any evidence that homework is beneficial for students in elementary school.
我发现，数十年的调查并没有发现任何证据表明，家庭作业对小学生是有益的。
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3.As in many states, Massachusetts elementary and high school students must pass a series of standardized tests during their scholastic careers, ultimately as a prerequisite for high school graduation.
在我所在的州，马萨诸塞州小学和高中学生在学习生涯中都必须通过一些列标准化测试，最终作为高中毕业的必备条件。
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