Some teachers teach in English, such as Teacher Fan of Matrix Analysis, and some returnees. However, I mainly read books by myself. Don't worry about children's shoes with poor English. As far as electrical discipline is concerned, most professional courses are taught in Putonghua. Other disciplines should be similar, and the specific situation is unknown. But the college requires all ppt to be in English. As far as I know, everyone's English level has no decisive influence on the study of specialized courses.