“研究性学习”作为培养学生的创新精神和实践能力的一种重要途径 ,日益受到教育工作者的重视 .本文从我们中专教材中的一道习题出发 ,从证明方法到习题变式 ,就如何引导学生体验探究 ,培养创新习惯的一点作法谈谈体会 .1　问题的提出过抛物线 y2 =2 px( p 0 )的焦点的一条直? As an important way to cultivate students’ innovative spirit and practical ability, “research-based learning” has been increasingly valued by educators. This article starts with an exercise in our secondary school textbooks, from the method of proof to the exercise variant. Guide students to experience inquiry, cultivate a little practice of innovation habits to talk about experience. 1 The question has been proposed as a straight line with the focus of the parabola y2 = 2 px( p 0 ).