对教材例习题的二次研究能促使学生的学习方式由“重结论轻过程”向“过程与结果”并重的方向发展,指导学生挖掘隐含问题的本质属性,从而达到“做一题,会一类”的解题效果。笔者结合案例分析,紧紧围绕新课程标准的要求进行探究,促进学生学会多层次、全方位地认识、研究问题,进而提高课堂教学的有效性。 The secondary research on the textbook exercises can promote the students’ learning styles from the “re-conclusion light process” to the “process and result ” to guide students to explore the essential properties of implicit problems, so as to achieve To do a question, will be a type of "problem-solving effect. The author combines case analysis, closely around the requirements of the new curriculum standards to explore and promote students to learn at all levels, all-round understanding and research problems, thereby enhancing the effectiveness of classroom teaching.