精讲精练可以促进学生自主学习。在精讲精练时应做好以下几个环节:导学是实现自主学习的关键;在探究学习中培养学生的创造能力;在精讲中营造激发学生创造性思维的氛围;实施精练策略,培养学生的学习能力;在拓展中提高学生学习的主动性和积极性。 Exquisite refinement can promote students to learn independently. The following aspects should be done when focusing on exquisiteness: guidance is the key to achieving self-study; cultivating the creative ability of students in inquiry learning; creating a stimulating atmosphere of creative thinking in exquisite teaching; practicing scouring strategies and training students Learning ability; in the expansion of students to enhance the initiative and enthusiasm.