一、引言质量和效益是现代社会各行各业共同追求的目标。我国30年的改革开放就是以追求实践活动的更好质量、更高效率及更佳效益为目标的。作为人类活动之一的教学,亦应以质量和效率为自身存在的根据和价值。大学英语教学的目标是培养学生语言的综合应用能力,特别是听说能力,使大学毕 I. INTRODUCTION Quality and efficiency are the goals pursued by all walks of life in modern society. The 30 years of reform and opening up in China are aimed at pursuing better quality, higher efficiency, and better efficiency of practical activities. Teaching as one of the human activities should also take quality and efficiency as its own basis and value. The goal of college English teaching is to cultivate students’ comprehensive ability in language use, especially the ability to speak and listen, to make university