小学中段年级是学生由被动的接受式学习阶段逐渐走向主动的探究式学习的过渡,尤其需要在自己的学习反思中总结经验、寻找教训,只有这样,才能在“学习——反思——再学习”的实践过程中形成能力、发展智力、获得自学本领。学生需要经过教师引导与训练后,才能逐渐形成了长期而稳定的作业后进行 The middle grade of primary school is the transition from students’ passive acceptance learning phase to active inquiry learning. In particular, it is necessary to sum up experiences and find lessons in their own learning reflection. Only in this way can we “learn-reflect” Learning "practice in the formation of ability, development of intelligence, access to self-learning skills. Students need to be guided and trained by teachers before they can gradually form long-term and stable jobs