本研究调查美国高年级学生对8500常用词汇的书面掌握的广度和深度。具体地说,本研究就四个方面的问题进行了考察:1)就8500常用词来说,学生的积极词汇和消极词汇的书面习得量;2)消极词汇与积极词汇习得的相关度;3)学生消极和积极词汇习得在8500常用词频度表上的分布;4)学生的不同汉语学习背景对词汇书面习得的关系。根据本研究的结果,作者对其在教学上的应用提出了建议。 This study investigates the breadth and depth of the written mastery of 8500 commonly used words by American seniors. Specifically, the study examined four issues: 1) the written acquisition of positive vocabulary and negative vocabulary for 8500 common words; 2) the correlation between negative vocabulary and active vocabulary acquisition ; 3) the distribution of negative and positive vocabulary acquisition of students on the 8500 Frequently Used Frequency Table; and 4) the relationship of the students’ different Chinese learning backgrounds to vocabulary written acquisition. According to the results of this study, the author puts forward some suggestions on its application in teaching.