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九年级化学通常面临的是学时少、任务重的问题。因此提高课堂教学效率就成为当前的首要任务。所谓“高效课堂”就是用尽可能少的时间获取最大教学效益的教学活动,最终达到提高教育教学质量的目的。
Grade 9 chemistry is often faced with less time and heavy tasks. Therefore, to improve the efficiency of classroom teaching has become the primary task nowadays. The so-called “efficient classroom” is to use as little time as possible to maximize teaching effectiveness of teaching activities, and ultimately to improve the quality of education and teaching purposes.