学生在听课、复习的基础上,作适量的练习,是他们掌握知识、技能的必要因素之一。要使作业取得最佳效果,须以学生领会教材为前提,并受制于学生学习的积极性和练习的质量。但有的教师却担心作业量少了会影响教学质量。于是他们单纯追求练习数量,让学生机械地重复练习,这样既加重了学生的学习负 On the basis of listening and reviewing, students do appropriate exercises, which is one of the necessary factors for them to acquire knowledge and skills. To get the best results from the assignments, the students must understand the teaching materials and be subject to the enthusiasm of the students and the quality of the exercises. However, some teachers are worried that the small amount of work will affect the quality of teaching. So they simply pursued the number of exercises and allowed the students to repeat the exercises mechanically, which increased the students’ learning burden.