拜读本刊 2 0 0 2年第五期“课例点评”栏目中的《雪花曲线的初步研究》 ,收获很大 ,启发颇多 .课例中那新颖的背景材料 ,有效的小组合作 ,争先恐后的组间交流 ,高效的多媒体辅助教学 ,实事求是的教后分析都给人耳目一新的感觉 ,从中透视出陈荣老师以学生发展为本的新理念 ,深? After reading the “Preliminary Study of the Snowflake Curve” in the “Class Review” section of the 5th issue of the magazine in 2002, we have learned a lot and inspired a lot. The novel background materials in the lesson examples, effective group cooperation, and scrambling The exchanges between groups, efficient multimedia-assisted teaching, and post-teaching analysis of seeking truth from facts all give people a fresh look. From this perspective, Chen Rong’s teacher is based on the new concept of student development.