Research on Teaching Practice of College English PAD Class with Multi-Modality plus Mutual Evaluation

College English class in Presentation-Assimilation-Discussion style can not only benefit the multi-faceted input of information in language teaching, but also pay attention to students’ language output and enhance their self-confi- dence. This paper introduces a teaching action research in Presentation-Assi- milation-Discussion style with multi-modality plus mutual evaluation on the basis of research background and studies on PAD class in China, so as to provide a new perspective for the construction of college English PAD class, to build a new mode of discussion based on teaching APP, and improve the effectiveness of college English teaching.