作为高三一线教师,要始终把优化复习、提质增效作为教学设计的出发点和课堂教学的着力点.笔者认为,优化高三化学复习的关键是保持学生在课堂上的积极思维,切实提高教学有效性,而问题可以驱动思维,问题是思维的起点,也是思维的动力.笔者在教学实践中通过采用多种策略来创设问题情境,从而优化高三化学复习,取得了一定的实效.下面谈谈不同问题情境的创设.一、立足“双基”创设问题情境高三第一轮复习,强调要面向全体学生,要注重基础知 As a junior high school teacher, we should always optimize review, improve the quality and efficiency as a starting point for teaching design and focus of classroom teaching.The author believes that the key to optimizing the senior high school chemistry review is to maintain students’ positive thinking in class and effectively improve teaching effectiveness The problem can drive thinking, the problem is the starting point of thinking, but also the power of thinking.In my teaching practice, through the use of a variety of strategies to create a problem situation, thus optimizing the senior high school chemistry review, and achieved some results. First, based on “Double Base ” to create the first high-level situation of the third review, emphasizing the need to face all students, we should focus on the basic knowledge