National b volume. The college entrance examination in Guizhou is a national B-volume, which is called "National B-volume of the National Unified Examination for Enrollment of Ordinary Colleges and Universities". Compared with other provinces in China, the difficulty of examination papers is at a medium level. The proposition form of Guizhou college entrance examination is relatively stable, and usually adopts multiple-choice questions, fill-in-the-blank questions, analytical questions and other questions. The subjects of college entrance examination in Guizhou are basically the same as those in other parts of the country, including Chinese, mathematics, foreign languages, physics, chemistry, biology, history, geography and politics. However, the difficulty of the college entrance examination paper in Guizhou is slightly lower than that in some developed areas, such as Beijing and Shanghai. Moreover, the proposition scope of Guizhou college entrance examination is basically the same as that of other parts of the country, but it is sometimes fine-tuned according to the actual situation of local education. For example, Guizhou Province, located in the southwest mountainous area of China, is a multi-ethnic province, so the exam may involve some contents related to mountainous areas and ethnic minorities.