练习是课堂教学的重要环节,是巩固知识、运用知识、训练技能技巧的必要手段。课后作业练习是学科教学过程的一个重要环节,是学生学习活动的一种重要形式,因而也是促使学生认知、能力、情感全面协调发展的良好重要途径。改善学生学习方式,培养学生创新精神、实践能力,不仅要落实在课堂教学中,还必须贯彻于作业训练等各项课外学习活动中。结合教学实践,谈一些看法:一、具有针对性练习能提高学生的记忆能力 Exercise is an important part of classroom teaching, is to consolidate knowledge, use of knowledge, training skills and skills necessary means. Homework practice is an important part of subject teaching process and an important form of student learning activities. It is also a good and important way to promote students’ overall, coordinated development of cognition, ability and emotion. To improve students ’learning methods and cultivate students’ innovative spirit and practical ability, not only must they be implemented in classroom teaching, but also be implemented in various extra-curricular activities such as homework training. With teaching practice, talk about some ideas: First, targeted exercises can improve students’ memory ability