一、提问必须具有启发性,激发学生积极思考提问是为了启发学生动脑,达到叶圣陶先生所提到的“疑难能自决,是非能自辨,斗争能自奋,高精能自探”的境界。教师的责任就是将教材中具有启发性的问题揭示出来,开启学生的心智,使他们积极思维,深入学习。【案例】北师大版二年级下册《平行四边形》教学片断在学生猜测过平行四边形的特征后,教师要求用小棒 First, the questions must be instructive, to inspire students to think actively asking questions is to inspire students brains, to reach the Mr. Ye Shengtao referred to “difficult to self-determination, can not be self-identified, the struggle can be self-excited, high-precision can self-exploration” realm. The responsibility of the teacher is to reveal the enlightening questions in the textbooks, open up the students’ minds and make them think positively and study in depth. [Case] ​​Beijing Normal University version of the second grade “Parallelogram” teaching pieces After the students guess the parallelogram characteristics, the teacher asked the small stick