Nankai University's online re-examination of basic mathematics has a written test. According to the relevant disclosure, 20021most colleges and universities take the form of online remote re-examination, and some colleges and universities take the form of on-site re-examination, which is subject to the notice and re-examination rules published on the websites of various enrollment colleges and universities. Admissions institutes (institutes) that take the form of online remote re-examination will announce the operation guide and implementation rules of online re-examination one after another. Please read carefully and prepare in advance. Each admissions institute (institute) will record and video the whole re-examination. On-site re-examination includes but not limited to written examination, practical (experimental) ability assessment, interview question and answer, etc. The interview, question and answer, calculation and writing of the network re-examination must be carried out under the video connection.