Krashen关于二语习得的五个假说全面解释了二语习得的过程。该理论为五年制高职英语听力教学提供了启示,有利于教育者在理论的指导下,结合教学实情,探索合适的商务英语听力教学方法,也为先行的外语教学改革提供了有益的启示。一、引言在上世纪八十年代,美国语言学家Krashen在《第二语言习得原理和实践》中提出了著名的关于二语习得的 Krashen’s five hypotheses on second language acquisition fully explain the process of second language acquisition. The theory provides enlightenment for five-year vocational English listening teaching, which is conducive to educators under the guidance of the theory, combined with the teaching of truth, to explore the appropriate business English listening teaching methods, but also for the first foreign language teaching reform provides a useful inspiration . I. INTRODUCTION In the 1980s, American linguist Krashen proposed the famous second language acquisition theory and practice