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由于历史的原因,现在的专职自然教师,大多是由教语文或数学改行过来的.在自然教学中,他们有的对自然教材中许多实验的操作要领不太熟悉,实验时往往难于准确地得出实验结果;有的不
Due to historical reasons, most of the current full-time natural teachers are converted from teaching texts or maths, and some of them are not familiar with the operating procedures of many experiments in nature teaching materials and are often difficult to accurately test Out of the experimental results; some do not