Two copies. The basis for judging several books is the enrollment batch of the corresponding province. According to the Pocket College Entrance Examination, Linyi University enrolled two batches of undergraduates in Anhui in 2023, two batches of undergraduates in Shanxi and two batches of undergraduates in Inner Mongolia and Guangxi provinces, so Linyi University enrolled two books in Anhui, Shanxi, Inner Mongolia and Guangxi provinces.