1, the topic is more difficult: the topic of question bank No.53 is more difficult than the required questions, because it contains more difficult questions, finale questions and elevation questions, which has a good effect on improving students' thinking ability and problem-solving skills. In contrast, the difficulty of the required questions is relatively small, and more attention is paid to mastering basic knowledge and training basic skills.

2. The quality of the questions is higher: the quality of the questions in the 53 question bank is higher, because the questions are carefully designed and screened, which are closer to the requirements and standards of the college entrance examination and large-scale examinations, while the quality of the questions that must be brushed is relatively low, because there are more questions, and more attention is paid to breadth rather than depth.

3. Three-year Simulation of Five-year College Entrance Examination is a book published by Capital Normal University Press and Education Science Press in June 2008. The editor is Qu Yixian. This book mainly summarizes the content of college entrance examination propositions, analyzes the forms of college entrance examination propositions and predicts the types of college entrance examination questions.