“问是深入的阶梯,是自学的桥梁,是触发的引信,是觉悟的契机。”有了问题,思维才有方向;有了问题,思维才有动力;有了问题,思维才有创新。因此,教师必须重视学生的提问,借助提问培养学生的自学能力,注重学生的主体地位,让“问”点燃学生思维的火花。 “Ask is the depth of the ladder, self-learning bridge is the trigger of the fuze, is the turning point of consciousness.” “There is a problem, thinking has a direction; with problems, thinking is motivated; Innovation. Therefore, the teacher must pay attention to the students’ questions, raise students’ self-learning ability by means of questioning, pay attention to the students’ main body position, let ”ask " ignite the spark of student thinking.