You can't. According to the query of official website of Central South University, Central South University's undergraduate graduation conditions include the national CET-4 score meeting the requirements of the school, and it is necessary not to take CET-4 and CET-6. Central South University is a national key university directly under the Ministry of Education. On April 29th, 2000, it was formed by the merger of Hunan Medical University, Changsha Railway Institute and Central South University of Technology.