Gaokao marking is very strict: each essay is usually scored separately by two markers.
Tips
usage
卷 here is an exam paper, as in 试卷. 阅卷 is the formal word, used for large-scale marking such as the gaokao; teachers marking a class test more often say 改卷 or 批改. In law, 阅卷 is a defense lawyer's right to read the case files.
