本文首先从语用理论上指出二语学习者口语交流能力差的两方面的原因,再从实证的角度证明了这两方面的原因存在的真实性。然后通过分析提出修正后的Blended Learning Model是解决目前二语学习者口语交流能力差的有效途径并通过大量的数据对比证明Blended Learning Model的有效性。最后本文提出了一些改进大学英语教学的建议。 This paper first points out the reasons for the poor second language communication ability of second language learners from the pragmatic theory, and then proves the authenticity of these two reasons from an empirical point of view. After that, the modified Blended Learning Model is proposed as an effective way to solve the problem of poor oral communication ability of L2 learners and a lot of data prove the effectiveness of Blended Learning Model. In the end, this paper puts forward some suggestions to improve college English teaching.