一、针对重点定向质疑,突破难点引导探究,活化学生思维在高中生物课堂教学活动中,结合学生的认知水平与心理特点,在学生们已有知识的基础之上,通过教师的启发与引申提出相应问题,或者依据生命现象与现实生活经验,精心设计并提出具有科学性、启发性和探索性的问题,使学生进一步明确课堂教学探究的学习目标及任务,调动学生参与课堂探究的积极性。课堂教学时,我们要注重提高学生的定项质疑能力,让学生明确教学活动中所要达到的探究目标,从而主动的去分析与解决相关知识问题,而课堂教学中的引 First, in response to the challenge of key orientation, breaking the difficult points to guide the exploration and activation of student thinking In the high school biology class teaching activities, combined with the students ’cognitive level and psychological characteristics, based on the students’ existing knowledge, through the teacher’s inspiration and extension Put forward corresponding problems, or based on the phenomenon of life and real life experience, elaborately designed and put forward scientific, inspiring and exploratory issues so that students can further clarify the learning objectives and tasks of classroom teaching and explore the enthusiasm of students to participate in classroom exploration. Classroom teaching, we should focus on improving the ability of students to question the specific items, so that students make clear the teaching activities to achieve the inquiry objectives, and thus take the initiative to analyze and solve the problem of knowledge, and in the classroom teaching