克拉申的“输入假说”理论对英语的研究产生了很大的影响,受到了教育者和研究者的广泛关注。而在英语专业口语教学中,合理的利用该理论中所提出的“可理解性语言输入”即“i+1”的输入量,为学生提供一些能被有效记忆的词汇并且在课堂上加以训练,使学生的口语词汇不断增加,口语表达更加丰富,是解决口语课堂“输出量”不高,学生口语能力提高较慢的有效途径。 Krashen’s “Input Hypothesis” theory has had a great impact on the study of English, and has drawn wide attention from educators and researchers. In the teaching of spoken English, it is reasonable to make use of the input of “comprehensible language input ”, ie “i + 1 ” proposed in the theory, to provide students with some words that can be effectively memorized and to Classroom training, so that students continue to increase the vocabulary of spoken words, oral expression is more rich, is to solve the spoken language classroom “output ” is not high, the effective way to improve students’ oral ability.