教师在教学中,不仅要帮助学生展示他们的思维过程,而且要向学生索要思维形成的缘由.不但要让学生暴露成功的思维过程,还要暴露失败的思维过程.暴露由失败走向成功的思维过程,讲一讲发生错误的心路历程,谈一谈取得成功的秘诀与心得,让学生在对与错这一矛盾体系中学会析错、纠错,汲取教训,开拓创新,觅取真知. In teaching, teachers should not only help students to demonstrate their thinking process, but also ask their students for the reason of their formation, not only exposing students to successful thinking process, but also revealing the process of failure thinking .Explore the thinking from failure to success Process, talk about the mentality of the wrong course, talk about the secret and experience of success, so that students in the contradiction between right and wrong in the system of error analysis, error correction, learn lessons, blaze new trails, to find out the truth.