触屏信息时代下的90后大学生对课堂里来自教师有限的“口头信息”和来自课本静态的“纸质知识”乃至“众随一人”的师生关系，从不满足发展到软抵制，课堂危机由此产生。本文依据“有效教学”的相关理念，针对当下大学英语的教学模式、课堂形态、师生关系、评价体系进行了反思。只有彻底地把课堂还给学生，在教材、教法、评价、角色、任务等各个环节保障实现学生真正自主、合作、探究式学习，才是解决课堂危机最根本的出路 。

This paper presents some reflections upon the classroom crisis of college English courses by analyzing students born after 1990 growing up in a “touch-screen online information ”age ，who are not satisfied with or even boycott the “limited o- ral information ”given by their teachers in their classrooms ，and take negative actions against the static “print knowledge ”on their text books and the “following relationships between teacher and student ”． The writers also sum up the key causes and put up some solutions on the way out based on the theories of “effective teaching ”． Their proposal focuses on the task-based ap- proach applied by students ’autonomous learning ，cooperative learning ，inquiry learning and competitive learning． This study stresses the challenges to teachers and shows some reflective and creative thinking on teaching modes ，classroom morphology ， teacher-student relationship and assessment methods． Transformed into the writers believe that only when both teacher and students become co-build academic synergy ，will the classroom crisis be transferred into new opportunities．