Chinese, mathematics, foreign languages and comprehensive professional courses or professional basic courses and vocational skills courses. According to the articles published by Jiangsu Education Bureau, the single-recruit examination form of the counterpart single-recruit electronic and electrical skill examination school is a combination of "cultural joint examination+comprehensive literacy test". The single-recruit exam takes 3+X, "3" refers to Chinese, mathematics and foreign languages, and "X" refers to a comprehensive professional course or two professional basic courses and vocational skills courses.