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学习新课固然重要,但适当地复习旧知识对于新课的学习具有铺垫性作用。通过精短的知识回放,将学生带入新课的学习课堂。
It is certainly important to learn a new lesson, but reviewing the old knowledge properly has a bedding effect on the learning of the new lesson. Through a short playback of knowledge, students are brought into the learning class of the new class.