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课堂教学有效性的实质,就是“师生教与学的收益”和“师生教与学的投入”之比,如何在单位时间内尽量减少投入,获得最大收益,可以从以下几个方面采取措施:
The essence of the effectiveness of classroom teaching is the ratio between “the benefits of teaching and learning by teachers and students” and “the investment of teachers and students in teaching and learning”, and how to minimize the input and maximize the benefits within the unit time from the following Several measures to be taken: