中年级是学生习作的起步阶段,这个阶段的关键是在习作中获得启迪和帮助,既有内在的又要有外援的,内外的交互才能构成一个习作信息网络。而课堂上习作前奏的对话交流是信息的相互交替,是自我完善的最佳形式。作前对话交流在中年级,尤其是三年级的习作课堂教育中显得尤为重要。习作是学生个性化的表达,而在表达过程中,一个人的心智毕竟是有限的,通过强化习作前奏的对话,可以让学生通过集体的力量启迪自己的思想,这不能不说是有效的习作策略。 The middle-grade is the initial stage of student work. At this stage, the key is to obtain enlightenment and help in the work. Both internal and external aid are needed to form a network of work-study information. In the classroom, the prelude to dialogue and exchange is the exchange of information and the best form of self-improvement. Pre-dialogue dialogue is particularly important in middle school, especially third-year classroom work. Exercises are individualized expressions of students. In the process of expression, a person’s mind is limited after all. By strengthening the preconditions of the exercises, students can enlighten their thoughts through the collective strength, which can not but be considered as an effective exercise Strategy.