A Corpus-Based Diachronic Study on the College English Test-6 Reading Passages
A text corpus is created with the reading passages from the 2013-2023 College English Test-6(CET-6).The BNC Sampler Written corpus is used as a reference corpus to make comparisons and analysis.The corpus retrieval software Wmatrix5 helps stud-y the thematic semantic domains of the CET-6 reading passages and summarize its characteristics and patterns of different years.The re-sults of this paper show that"education"and"science and technology"are the key thematic semantic domains,followed by"individu-als","green life",and"agriculture".It shows that reading topics follow the trend of society,emphasizing the diversified and interdisci-plinary educational development.Corpus can assist in analyzing the characteristics of CET-6 reading passages,which helps students un-derstand the hot topics of exam.