Shanghai ninth grade mathematics development 2 middle school entrance examination can not be used. According to relevant public information, the senior high school entrance examination, as a means of selecting talents in China, adheres to the principle of no cheating and fairness. During the senior high school entrance examination, book notes and electronic instruments cannot be brought into the examination room, which belongs to a closed-book examination. Therefore, the ninth grade mathematics development 2 in Shanghai cannot be used for the senior high school entrance examination.