The Application of Artificial Intelligence in College English Course and CET-4 Mock Examination——A Case Study of “iTEST” and “iWRITE”

This article explores the application of the artificial intelligence in the teaching of College English course and the mock examination of CET-4 based on “iTEST” and “iWRITE” from the following aspects: universityl-level and class-level mock examinations, final-term paperless examinations for College English, teachers’ teaching and students’ learning based on iTEST, difficulties in writing training, writing practice based on iWRITE, writing improvement for students based on iWRITE AI feedback, fedback from teachers and students about iWRITE. These series of practices have certain reference significance for other colleges and universities.