“学起于思,思起于疑。”“疑”是学习的开端,思维的引线,进步的向导。学生的积极思维往往是从疑问开始的,只有善于思考,才能提出问题;只有善于提出问题,才能创新。因此,教师在课堂教学中要千方百计激发学生提问,促使学生主动思考,让学生去探索、去发现。那么怎样让学生学会质疑呢? “Learning from thinking, thinking in doubt. ” “Doubt” is the beginning of learning, thinking leads, progress wizard. Students’ positive thinking often starts with questions. Only good at thinking can ask questions. Only when they are good at asking questions can they innovate. Therefore, teachers in the classroom teaching to do everything possible to stimulate student questions, encourage students to think, let students explore, to discover. So how to let students learn to question it?