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《普通高中数学课程标准》指出:在教学中“应强调对基本概念和基本思想的理解和掌握,对一些核心概念和基本思想要贯穿高中数学教学的始终,帮助学生逐步加深理解”。笔者最近观摩了
The Standard of Common Senior High School Mathematics Curriculum states that in teaching, “the understanding and mastery of basic concepts and basic ideas should be emphasized. Some core concepts and basic ideas should be run through high school mathematics teaching so as to help students to gradually deepen their understanding.” I recently observed