著名教育家陶行知先生说过:“发明千千万,起点是一问。智者问得巧,愚者问得笨。”可见,教学中提问很重要。教师精心设计的“妙问”要想取得良好的教学效果,还须通过合理选择提问对象来实现。但由于一些教师只重视问题的设计, Mr. Tao Xingzhi, a famous educator, said: “The invention of tens of millions starts with a question: The wise men ask foolishly, and the fools ask dumb.” “It can be seen that questions in teaching are very important. Teachers carefully designed ”Wonderful question " in order to obtain good teaching results, but also through a reasonable choice question to achieve. However, because some teachers only pay attention to the design of the problem,