有效练习应当是练习内容和练习形式的统一,掌握知识和培养能力的统一,练习量、练习时间和练习效率的统一。那种靠大量的反复训练让学生掌握知识的练习不是有效练习,那种只让学生掌握知识而忽视学生能力发展的练习也不是我们所提倡的有效练习。有效练习的设计策略是指教师为实现 Effective practice should be the unity of practice content and practice form, the unification of knowledge and training ability, the unity of practice quantity, practice time and practice efficiency. The practice of letting students acquire knowledge by a large amount of repeated training is not an effective practice. The practice of letting students master knowledge and neglect the development of students’ abilities is not an effective exercise we advocate. Effective practice of the design strategy refers to the teacher to achieve