第二语言习得理论及其相关研究,这一跨学科领域研究的发展,对外语教师的教学,自身发展都很有帮助,有助于教师了解学生学习发展规律,正确对待教学中的问题,对学生做出合理的期望,有效教学并发展自身。 The second language acquisition theory and its related research, the development of interdisciplinary field research, is very helpful to the teaching and self-development of foreign language teachers. It helps teachers to understand the law of students’ learning and development, correctly handle the problems in teaching, Make reasonable expectations of students, teach effectively and develop themselves.