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前置性作业是在传统的预习作业的基础上拓展了内容,更具科学性和趣味性。以小组为单位给学生布置前置性作业,在讲授的时候做到正确引导,课堂学习效果十分明显。
Prepositional work is based on the traditional preview exercise to expand the content, more scientific and interesting. The group as a unit of pre-arranged assignments to students in the teaching of the time to do the right guide, the effect of classroom learning is very clear.