语言理论的领域不是今天才认为是和第二语言教学的领域相等的。后者通称为“应用语言学”,但事实上是一种具有理论和应用两个方面的多种学科的研究领域。然而在北美,在四十年代和五十年代的二十年间,结构主义的语言学理论对第二语言教学产生了非常强烈而直接的影响。在行为主义心理学原则的配合之下,结构主义的理论产生了语言教学的听说法,此法今天在北美的所有语 The field of linguistic theory is not today considered equivalent to the field of second language teaching. The latter, commonly known as “applied linguistics,” is in fact a multidisciplinary field of research that has both theory and application. In North America, however, structuralist linguistic theory had a very strong and immediate impact on second language teaching during the two decades of the 1940s and 1950s. With the cooperation of the principle of behaviorism psychology, the theory of structuralism has resulted in the theory of listening and speaking in language teaching. All the words of this method in North America today