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课堂教学是一种目的性和意识性很强的活动。备课是为了顺利达成这一活动目的而进行的预设。有效性是课堂教学的生命。充分抓实备课各个环节,则是实现课堂有效教学的前提和保证。
Classroom teaching is a purposeful and conscious activity. Preparation is a precondition for the smooth achievement of this activity. Effectiveness is the life of classroom teaching. To fully grasp all aspects of lesson preparation, it is the premise and guarantee of effective classroom teaching.