This is necessary. Generally speaking, the probability of making mistakes in grades is very small, and it takes a long time to re-examine, so even if some students have doubts about their grades, they will not re-examine because of trouble and doubts about the significance of re-examination. However, if you feel that there is really a gap between your score and the reality (non-subjective questions), you still need to try to apply for a grade review. Check the score of 54 points in degree English of Sichuan Institute of Light Chemical Technology.