Then I watched the third grade primary school students of "the Analects" reading class.
接着我又观摩了三年级小学生的《论语》朗读课。
Fourth grade in elementary school, I participated in a national essay contest for primary and secondary school students.
上小学四年级时，我参加了全国小学生作文竞赛。
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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