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认识引言(头图)在教学中的地位与作用,充分挖掘其教学功能,不但能促进教师对教学内容的整体认识和把握,提高教学的艺术水平,而且有利于激发学生质疑释疑的兴趣,调动学生学习和科学探究的积极性。
Understanding the position and function of the introduction (head picture) in teaching and fully exploiting its teaching function can not only promote teachers ’overall understanding and grasp of teaching contents and enhance the artistic level of teaching, but also help to stimulate students’ interest in questioning doubts and doubts, mobilize Student learning and scientific inquiry enthusiasm.