Methods The students form a normal secondary school and those of Grade two , Grade four , Grade six form a primary school are chosen as the subject for the experiment.

方法选取小学四年级和六年级的学生作为实验对象，采用自行设计的学业成绩奖励模式与现有的学业成绩奖励模式作为自变量进行比较实验。

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In recent years, frequent primary and secondary injuries become a major problem, which disturbed normal school education and teaching activities.

近年来，频发的中小学生伤害事故成为困扰学校正常教育教学活动的一大难题。

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This paper expounds some opinions and views of the lib erians of secondary normal school in aspect of all -round increasing the quality recently.

文章从几个方面阐述了当前中等师范学校图书馆员在全面提高素质方面的一些观点和看法。

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She was an exchange student for a year in Norway, which is why she finished secondary school one year later than normal.

CNN: Born in the east, young Germans still forced to head west