本文通过研究大学英语学生在实验期间口语流利程度的变化,证明了计算机辅助语言学习软件对提高英语口语流利性的显著作用。作者采用时间性、语言性和表达性三个类别五个指标对学生口语能力进行了研究,对受试者的语言数据进行定量与定性的分析,发现学生在五个指标方面均有提高,其中平均停顿长度、每百单词更改率及每百单词错误率三方面提高最为显著。 By studying the change of fluent degree of college English students during the experiment, this paper proves that CALL plays a significant role in improving the fluency of spoken English. The author uses the five indexes of time, language and expressive to study the students’ oral ability, and quantitatively and qualitatively analyzes the subject’s linguistic data, and finds that the students have all improved in five aspects, of which, The average pause length, the rate of change per hundred words and the rate of error per hundred words were the most significant in three aspects.