错误是学生在学习过程中自然存在的一种现象.在教学中企图让学生完全避免错误是不可能的,也是没有必要的.事实上,错误一方面可以充分暴露学生思维的薄弱环节,有利于对症下药;另一方面,错误也是正确的先导,错误在许多时候比正确更有教育价值,这正如当代科学家、哲学家波普尔所说 Error is a phenomenon that students naturally exist in the learning process.It is impossible and unnecessary to try to make students avoid mistakes completely in teaching.In fact, mistakes on the one hand can fully expose the weak link of students’ thinking, The right remedy; the other hand, the error is the correct guide, the error in many ways more than correct and more educational value, which, as contemporary scientist and philosopher Popper said