课堂练习是课堂教学的重要环节，是巩固已教知识并将其转化为能力的必要手段，是发展智力的有效途径，也是减轻学生课业负担的得力措施。为此，教师在备课中应精心设计课堂练习，提高课堂练习的效率。一、课堂练习设计，应注重实用性课堂练习的内容，必须是学生应该切实掌握的 Classroom exercise is an important part of classroom teaching. It is a necessary means to consolidate and transform the already taught knowledge into abilities. It is an effective way to develop intelligence, and it is an effective measure to reduce the burden on students’ work. For this reason, teachers should carefully design classroom exercises in preparation for lessons and improve the efficiency of classroom exercises. First, the classroom practice design should focus on the contents of practical classroom exercises. It must be the students should really grasp