正常情况下,教师给学生布置课外作业大多是一些巩固性练习,学生完成这样的作业既被动又枯燥、乏味。为了避免布置机械、重复、乏味的低效作业,激发学生完成课外作业的积极性和主动性,提高各方面能力,笔者经常给学生布置一些预习作业,取得了事半功倍的效果。如一年级学生在学习 Under normal circumstances, the teacher arranged for homework assignments are mostly some consolidation exercises, the students to do such a job is both passive and boring, boring. In order to avoid arranging mechanical, repetitive, tedious and inefficient operations, to arouse students’ enthusiasm and initiative in completing homework and to improve their abilities in various fields, I often arrange some preparatory assignments to students and achieve a multiplier effect. Such as first-year students studying