Bigger. According to the relevant information of the 20 17 422 entrance examination, it is difficult to take the 20 17 422 entrance examination. The examination questions in Hainan and Qinghai provinces are modeled after the national examination and have very flexible understanding questions. From the past, present and future of time-honored enterprises, it is difficult to examine students' understanding of various materials. The scope of reference materials is limited to some materials, and the topic is very philosophical, which stumbles many candidates.