Count. By inquiring about the anti-cheating regulations of the college entrance examination, we know that Dr. Wu's ruler is a very special item and will be considered as a prop suspected of cheating. It is considered cheating that Dr. Wu's ruler is not allowed in the college entrance examination room. The National Unified Entrance Examination for Colleges and Universities, referred to as "College Entrance Examination", is a selective examination for qualified high school graduates or candidates with equivalent academic qualifications.