本文首先对听力理解中容易产生信息差的原因进行分析，继而提出了解决方案。
This paper firstly analyzes the causes of information gap in listening comprehension, and then offers a solution for reference.
长久以来，人们对听力理解的本质以及形成听力障碍的原因缺乏真正的了解。
Over a long period of time, there is not an adequate understanding about the essence of listening comprehension and the causes of listening difficulties.
主要原因是忽视了背景知识对听力教学的影响。
The main reason is to overlook the influence of the acquired knowledge to listening teaching.
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