课堂练习是学生学习过程中不可缺少的重要环节。高效课堂必须有较高的练习质量作基础。因此,课堂练习必须精心设计,让学生在有限的时间里感受到学习的乐趣,从而达到课堂高效。 Classroom practice is an indispensable and important part of students’ learning process. Efficient classrooms must have a high quality of practice as a foundation. Therefore, the class practice must be carefully designed to allow students to enjoy the fun of learning for a limited time, so as to achieve classroom efficiency.