与对照组相比，干预组干预后学习成绩提高显著。

Compared with the control group, the academic achievement of intervention group increased significantly.

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自从露托小姐建起了这套装置，有了学习用的照明，她十多岁孩子的学习成绩提高了。

Since Ms.Ruto hooked up the system, her teenagers' grades have improved because they have light for studying.

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长期的教学实践证明，不思质疑，死记硬背，是学生学习成绩提高较慢的原因之一。

Teaching practices for a long time have proved that one of the main reasons why students fail to quickly improve their achievements is that they cant put forward questions and memorize mechanically.

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