Ordinary differential equations, analytic geometry. In 2023, official website of Three Gorges University released the re-examination examination subjects as ordinary differential equations and probability theory; The subjects with the same academic ability are modern algebra and analytic geometry; You can choose one of the above subjects in the second interview, and the number of people to be recruited is 30. Approved by the Ministry of Education, the Three Gorges University was formed by the merger of the former Wuhan Institute of Water Conservancy and Electric Power (Yichang) and the former Hubei Three Gorges University. It was established on May 25th, 2000 and became an important part of the "21/project" university.