1. 研究目的与意义（文献综述包含参考文献）

an investigation into the relationship between vocabulary knowledge and academic listening comprehension

关于词汇知识与学术听力关系的研究

1. introduction

2. 研究的基本内容、问题解决措施及方案

methodology

3.1 research questions

the findings yielded by extant studies in this field suggest presence of a strong and positive correlation between vocabulary knowledge and listening comprehension. lexical repertoire seems to be an invaluable source of knowledge that learners rely on, and it is posited as one of the best predictors of adequate listening comprehension, as well as ability to retrieve information from spoken texts. thus, both breadth and depth remain important areas of research. however, there is paucity of studies attempting to elucidate the dimension of vocabulary knowledge that plays a crucial role in academic listening comprehension. to this end, the aim of the present study was to uncover the contribution of breadth and depth of vocabulary knowledge to academic listening comprehension. thus, it was guided by the following research questions: