传统的化学习题课(特别是高三复习课)教学是教师精心设计,倾力实施教学内容;在某此环节由于学生的主体作用被忽视缺少学生积极主动地参与,学生在学习过程中的主体性发挥受阻,使得学生对知识的掌握情况并不好,在知识和能力目标的达成上存在着一定的缺陷.所以,调动学生积极主动地参与化学教学活动,让学生 The traditional teaching of chemistry exercises (especially the third year of senior high school teaching) is designed by teachers, trying their best to carry out the teaching content. At a certain point, students are neglected due to the main part of the students. They lack the active participation of students and the subjectivity of students in the learning process Play blocked, making the students grasp of knowledge is not good, in the knowledge and ability to reach the goal there are some flaws.So mobilize students to actively participate in chemistry teaching activities, so that students