The purpose of the teaching method reform to integrate learning online and classroom teaching is to break through the traditional factory education mode, trying to change the situation of focusing too much on in class knowledge instruction while ignoring the students' initiative in learning. Combined with the PAD class which includes three steps: the teacher' s presentation, self-paced assimication, and the student's discussion. This method specifies the learning objectives, achieve the personalized learning, de velops the dialectical think...