Yes The main examination subjects of "three supports and one support" in Guizhou are political knowledge, Chinese ability, mathematics ability, English ability and comprehensive quality, which are aimed at mathematics. "Three Supports and One Support" is a policy for graduates to go to the grassroots level. It means that after graduation, college students go to the rural grassroots level to engage in supporting agriculture, teaching, helping doctors and helping the poor. The working time is 2 years, during which they are given a certain living allowance.