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作者采用最新国际词汇量测试工具调查了理工科重点院校256学生的接受性词汇量和产出性词汇量。研究发现,理工科重点院校学生一年级拥有接受性词汇量近3300个,较10年前增加了近1000个,增长趋势呈现单一、线性发展特征;伴随学生英语水平提高,高频词汇在总词汇量中比例逐年减小。产出性词汇量方面,一年级拥有产出性词汇量近1850个,高频词级产出率在大学一、二年级增长缓慢,近乎停滞,在四年级呈现直线上升趋势。学术词汇、低频词汇呈现逐年增长态势。本研究数据证明3000词级被描述为“产出性词汇阙值”是二语学习者词汇特征的客观描述。
The author uses the latest international vocabulary test tool to investigate 256 major students in science and engineering acceptance of the vocabulary and output vocabulary. The study found that the first year of science and engineering key students have receptive vocabulary of nearly 3300, an increase of nearly 1000 compared with 10 years ago, the growth trend showed a single, linear development characteristics; With the improvement of students’ English, high frequency vocabulary in the total The proportion of vocabulary decreases year by year. In terms of productive vocabulary, the first grade has nearly 1,850 productive words, and the high-frequency lexicological output rate has been slow and almost stagnant in the first and second grades of the university. It shows a straight upward trend in the fourth grade. Academic vocabulary, low frequency vocabulary presents a trend of increasing year by year. The data in this study demonstrate that the 3000 word level is described as “output vocabulary threshold ” is an objective description of the L2 learner ’s vocabulary features.