在生物课堂教学改革中,培养学生质疑问难的能力,培养学生的探究意识和创新精神,无疑是十分重要的,是符合素质教育“培养创新精神,发展健康个性”的思想的.在长期的生物教学中,一个突出的问题是教师提问多,学生提问少,甚至学生不问问题,学生学习的主体地位得不到落实.这种现象引人思索,令人担忧.学起于思,思源于疑,疑则诱发探索,从而发现真理.从有 In the teaching reform of biology class, it is undoubtedly very important to cultivate students ’ability of questioning and asking questions and cultivating students’ exploration consciousness and innovation spirit, which is consistent with the idea of ​​quality education "developing innovative spirit and developing healthy personality One of the outstanding problems in biology teaching is that many questions are asked by teachers, the students ask little questions and even students do not ask questions, and the subject status of students’ learning can not be implemented. This phenomenon is intriguing and worrisome. In doubt, doubt provokes exploration to discover truth