The high number B of the Chinese University of Science and Technology is a self-proposition, not a national unified proposition. It should be simpler than the national unified examination, and the scope of investigation is also small. In fact, look for several sets of papers from previous years and analyze them. HKUST Postgraduate Entrance Examination Network seems to have only collected the postgraduate entrance examination materials of Chinese University of Science and Technology and Chinese Academy of Sciences, which is quite authoritative. Have you been admitted to the School of Ground-Air Science of the Chinese University of Science and Technology? I don't know what your major will take. They offer remedial classes with specialized courses this year.