自主学习是指在自主、和谐的学习氛围中,学生充分体现其主观意识,自觉地发挥主观能动性,通过独立的思考、分析、探索、实践来实现学习目标的一种有效的学习方式~([1])。初中阶段的学生个性差异明显,两极分化的现象也比较突出,故在进行小组合作学习中未必个个都能积极参与其中,尤其是基础相对薄弱的学生,或因能力不足,或因缺乏自信,而习惯性依赖成绩好的组员,坐享其成; Autonomous learning refers to an effective way of learning that students can fully realize their subjective consciousness, consciously display their subjective initiative and achieve their learning goals through independent thinking, analysis, exploration and practice in an autonomous and harmonious learning environment. 1]). Junior high school students personality differences significantly, the phenomenon of polarization is also more prominent, so in the group cooperative learning may not be able to actively participate in them, especially those who are relatively weak foundation, or due to lack of capacity, or lack of self-confidence, Habitual dependence on good grades of members, to enjoy it;