Under the background of promoting the reform of blended teaching in colleges and universities,how to improve the effect of blended teaching by means of technology and promote the cultivation of learners’ high-level thinking ability is the focus of educational researchers.This study introduces the theory of deep learning,takes action research as the main research method,the "3*3 Blended Learning Mode" for deep learning is constructed from the three levels of knowledge acquisition,ability development and emotional experience,and three stages of ...