预习是学生课前的一种自主认知活动,是自觉运用所学知识和能力对课文预先进行了解、质疑、思考的求知过程。教师对学生进行有效预习策略的指导,能很好地帮助学生养成良好的预习习惯,有利于提高听课效率和自学能力,有利于增强学习的自觉性和主动性,有利于培养学生的创新精神和实践能力。 Preview is a kind of autonomous cognition activity before class, which is the process of knowing, questioning and thinking of the lesson preliminarily using the knowledge and ability learned. The teacher’s guidance to the students in effectively previewing the strategies can help them to develop good preparation habits, improve the efficiency of lectures and self-learning ability, enhance the consciousness and initiative of learning, and help to foster students’ innovative spirit And practical ability.