一、精心选择或设计习题,力求精准适当练习是复习巩固知识、提高技能的重要手段,也是训练知识迁移和应用能力、提高分析和解决问题能力的有效方法。但是练习必须以系统掌握基础知识和基本技能为基础,精心选择或设计,立意新颖、独到,难易适度,设问巧妙,具有启迪思维,训练“信息? First, careful selection or design exercises, and strive to accurate and appropriate exercise is an important means to review and consolidate knowledge and improve skills, but also an effective method for training knowledge transfer and application ability, improve analysis and problem solving capabilities. However, practice must be based on systematic knowledge of basic knowledge and basic skills, carefully selected or designed, innovative, unique, easy and modest, clever questioning, inspiring thinking, training "information?