“学起于思,思源于疑”.质疑是通过提出问题而获得知识的一种手段.学生具备质疑能力有助于提高思维能力、表达能力和自我学习的能力.而在课堂教学时,学生在质疑的过程中常常反映出以下几个问题:A.提不出问题.B.提出的问题比较单一.C.提出的问题比较肤浅.D.提出的问题杂乱无章.这些现象说明,学生光有质疑的动机,不掌握质疑的方法,也很难进行有效地质疑.本文结合笔者高中教学实践,提出应指导学生 “Learning from thinking, thinking from doubt.” Questioning is a means of obtaining knowledge by asking questions.Students have the ability to question the ability to improve thinking, presentation skills and self-learning.In the classroom teaching , Students often reflect the following questions in the process of questioning: A. can not ask questions B. the questions raised are relatively simple C. the questions raised are rather superficial D. the problems raised by D. are disorganized These phenomena indicate that students Light motivated to question, do not grasp the method of questioning, it is difficult to effectively question.This paper combines the author’s high school teaching practice, proposed that students should be guided