布局合理、结构完美的课堂教学,不仅要有扣人心弦的序曲,引人入胜的主旋律,还要有回味无穷的尾声,以达到前后浑然一体的美妙境界。心理学研究成果表明,学生对一堂课的开头和结尾的印象最为深刻。好的开头具有巨大的凝聚力,能把学生散乱的精力一下子集中到本节课的内容上去,为搞 Reasonable layout, perfect structure of classroom teaching, not only to have exciting overture, fascinating theme, but also endless aftertaste in order to achieve the perfect before and after the wonderful state. Psychological research shows that students are most impressed with the beginning and end of a class. Good beginning with great cohesion, students can be scattered all of a sudden concentration of energy into the contents of this class, to engage in