高中学段,课程多、难度大、基础性强,在以教师为主导的课堂内,由于时间限制,学生的自主合作探究程度有限,对待新知识往往不能足够全面深入地掌握,而课后又未能有充分的时间去温习、发现、求证,学生学习成绩的提高依赖于教师高效的主导教学和学生高效的自主学习,后者对于学生而言,一定的时间和空间是必要条件。这种学习时间与学习空间在传统课表上以自习课的形式出 In high school, there are many courses, which are difficult and basic. In the teacher-led classroom, because of the time limit, the degree of spontaneous cooperation between students is limited and the new knowledge can not be fully and thoroughly grasped. However, Failure to have enough time to review, find, verify, improve the academic performance of students depends on the teacher’s efficient teaching and efficient self-directed learning, the latter for students, a certain time and space is a necessary condition. This learning time and learning space in the form of a self-learning class in the form of a study