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在自然课堂观察中我们会发现如下情况:教师课前认真研究教材,精心设计教学方案、挑选实验器材,期望能有好的教学效果。可是课堂上时常会因为出现一些不合拍的事情而影响了情绪,打断了正常的教学思路。如个别学生为所欲为,不受任何约束;有些学生一拿起实验仪器就随意摆弄不听教师讲课;而有的学生在课堂上只是个旁观者或是思绪游离在外……这种种现象令各位自然教师头
In the natural classroom observation, we will find the following situations: teachers carefully study materials before class, carefully design teaching programs, select experimental equipment, expect to have good teaching results. However, often in the classroom because of some irregularities affect the mood, interrupted the normal teaching ideas. Such as individual students do whatever they want, without any restraint; some students feel free to pick up the experimental apparatus to pick up the teacher lectures; while some students in the classroom just bystanders or thoughts free ... ... this kind of phenomenon so that natural teachers head