卢梭说过:“问题不在于告诉他一个真理,而在于教他怎样去发现真理。”所以教师在教学中最需要做的是运用学生已学过的知识或已有的实践经验,创设与实际相结合的问题情境,设问诱导,层层点拨,引出主题。在教学实践中,很多教师都用问题串的教学方式进行实践与教学,但课堂效率却没有得到大幅度的提高,主要原 Rousseau said: “The problem is not to tell him a truth, but rather to teach him how to discover the truth. ” Therefore, teachers need to do most in teaching is to use the students have learned knowledge or existing practical experience to create The combination of the actual situation of the problem, set the question-induced, at different levels, leading to the theme. In teaching practice, many teachers use the teaching method of question string to practice and teach, but the classroom efficiency has not been greatly improved, the main original