初中生的生理发育和心理变化正处于人生中由懵懂到成熟的过渡阶段,进入中学后学生的学习任务量明显增多,学习难度也明显加大,极易给学生造成心理压力,产生学习负担感.而预习则可以帮助学生从畏难的阴影中走出来.长期坚持预习,不仅能培养学生良好的自学习惯,更能锤炼学生知难而进、积极进取的探索精神.一、预习的重要作用1.培养自学能力和独立思维能力 The physiological development and psychological changes of junior high school students are in their transition from ignorance to maturity. After entering secondary school, students’ learning tasks are obviously increased, their learning difficulty is also obviously increased, which can easily cause psychological pressure on students and create a sense of learning burden The preview can help students to come out from the shadow of fear of long-term adherence to preview, not only to develop good self-learning habits of students, but also temper the students knowledgeable and proactive spirit of exploration. Develop self - learning ability and independent thinking ability