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一、教学目标掌握两条直线平行的最重要的识别方法,并能在实际生活及数学图形中识别平行线;能灵活地利用平行线的三个识别方法解决问题,
First, the teaching goal masters the most important method of recognizing two straight lines, and can identify parallel lines in real life and mathematical figures; it can flexibly use the three identification methods of parallel lines to solve problems.