1. Difficulty and style: the language of ancient poetry is concise and abstract, and the rhetorical forms used are rich and varied. Texts will have different difficulties and stylistic features according to the requirements of teaching levels and disciplines, which are relatively simple and easy to understand.
2. Teaching purpose: Choosing ancient poems is helpful for students to appreciate ancient culture and poetic art, while choosing articles pays more attention to cultivating students' reading comprehension, critical thinking and language expression ability, which is wider than learning scope.