著名教育家陶行知先生说:“发明千千万,起点是一问”。教学的最终目的是培养学生的学习能力。因此,教师在课堂教学中有意识地设计问题,做到“浅问而化难为易,巧问而以趣激学,散问而拓展思维”让学生在问题的牵引下学习,以构建高效“课堂。 Famous educator Tao Xingzhi said: ”invented tens of millions, the starting point is a question “. The ultimate goal of teaching is to develop students' learning abilities. Therefore, teachers in the classroom teaching consciously designed the problem, so that ”the shallow asked and difficult as easy, clever questioning and excitement, scattered thinking and expand thinking “ let the students learn under the traction of the problem in order to build efficient ”classroom.