1, comprehensive content: Wan Wei's large and small volumes cover the key and difficult points of the senior high school entrance examination, which are comprehensive and can help students systematically review and consolidate their knowledge.
2. Moderate difficulty: Wan Wei's large and small papers are moderately difficult, neither too simple nor too difficult, which can help students gradually improve their problem-solving ability.
3. Strong pertinence: Wan Wei's large and small papers are designed according to the key and difficult points of the senior high school entrance examination, which can help students better understand the content and difficulty of the exam and improve the efficiency of preparing for the exam.