碧玉刀、长生剑、多情环、离别钩……光怪陆离的武侠世界里传说着神秘的七种武器,每一种武器的背后,都有着引人人胜的故事,让人欲罢不能.其实,不止武侠世界,我们的数学课堂提问世界里也有七种武器,它们也有着各自的精彩,下面就让笔者娓娓道来.武器之一长生剑——命中学生的思维特点长生剑,剑剑命中要害,剑气荡气回肠.理想的教学是一个动态生成的过程,课堂的精彩往往来自精心“预设”基础上的绝妙“生成”.如何预设提问,才能有较强的针对性,让不同程度的学生都受到激励和促进?不同年龄段的学生有不同的思维特点,这对提高预设提问的针对性有着直接的指导意义.高 Jasper knife, longevity sword, passionate ring, parting hook ... ... bizarre martial arts world legendary mysterious seven kinds of weapons, behind each type of weapon has a fascinating story, people unable to stop .In fact, more than martial arts The world, there are seven kinds of weapons in the world, they also have their own wonderful, the following let the author to his right one of the weapons Sword - the thinking characteristics of hit students Sword, Jianqi breathtaking .Is the ideal teaching is a dynamically generated process, the class’s wonderful often comes from the meticulous “preset ” based on the wonderful “How to generate ” how to set the question, in order to have strong pertinence, let Different levels of students are motivated and promoted? Students of different ages have different thinking characteristics, which has a direct guiding significance for improving the pertinence of the preset questions.