基于语料库的高中英语教材词汇研究——以新版人教版教材为例
A Corpus-Based Study of Vocabulary in Senior High School English Textbooks—Taking the New PEP Textbooks as an Example
摘要: 英语教材是学生英语语言输入的主要来源。本文从四个角度：标准类符/形符比(STTR)、平均词长/句长、课标词汇覆盖率、课标词汇复现率等方面对人教版高中英语教材中的词汇特征进行分析。其中，复现率指词汇在教材中重复出现的频率，计算公式为：复现率 = 大纲词汇的总词数/大纲词汇的总词形数；词族指共享同一词根的一组词汇形式；词汇多样性指数包括MTLD、HD-D等，用于衡量文本词汇丰富度。研究表明教材词汇能基本满足课标的需要，词汇总体丰富且具通用性，但课标词汇复现率低、形式单一，教材在不同方面的侧重点存在差异。教师可在必修阶段夯实核心词记忆；学生分册螺旋复习，以取得更好的学习效果。
Abstract: English textbooks are students’ primary source of language input. This study examines the lexical features of the PEP senior high school English textbooks through four measures: standardized type-token ratio (STTR), average word and sentence length, curriculum vocabulary coverage, and recurrence rate. Key concepts are defined as follows: recurrence rate refers to the frequency of vocabulary repetition (Repetition Rate = Total Word Occurrences of Vocabulary List/Total Distinct Word Forms of Vocabulary List); word family denotes a set of lexemes sharing a root; lexical diversity indices (e.g., MTLD, HD-D) measure vocabulary richness. Results show that the vocabulary generally meets curriculum requirements and is rich and versatile. However, the recurrence of standard vocabulary is low, with limited presentation forms, and emphasis varies across textbook components. Teachers should reinforce core vocabulary during compulsory courses, while students may benefit from spiral review across volumes to improve learning outcomes.
文章引用：杜天行, 陈雅琳, 李欣珂, 赵梓涵. 基于语料库的高中英语教材词汇研究——以新版人教版教材为例[J]. 教育进展, 2025, 15(11): 168-176. https://doi.org/10.12677/ae.2025.15112020

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