The simulated sprint can use Li Yongle's simulated sprint paper and lin li's composition paper.
Zhenti paper (must-do paper) recommends Zhang Yuzhen's questions, and the answers are well explained;
Zhang Yu's eight sets of papers (relatively difficult, suitable for high altitude and sprint, you can choose according to your own situation)
Tang Jiafeng 8 sets of volumes (relatively basic, but the questions are also good, recommended)
Li Lin's four sets of papers (must be done, after all, you can get the questions every year)