New oriental vocabulary book: root+association, very effective or buy a four-level high-frequency vocabulary book. Wang Changxi's is also very good. Buy a test paper of Band 4 prediction in Wang Changxi and give away Band 4 high-frequency vocabulary. Finally, I wish you success in the exam. Other CET-4 books recommend classified shorthand-vocabulary group memory books, but the vocabulary of this book is about 13000, which is not directly aimed at exams and can be used as a way to improve it. The root dictionary and the query manual of root affixes are also suitable for memorizing words with root affixes, but not for exams, just to expand vocabulary. Cognitive analysis and learning-books that study root affixes and morphemes are not directly aimed at exams, but can be used as an auxiliary improvement. Humor Band 4- Interpreting the left and right words in a homophonic way can be said that this book is a masterpiece, but due to the defects of homophonic method itself, some explanations in the book are still far-fetched, but it can still achieve a certain memory effect for students with weak English, but it will leave pronunciation sequelae. Comprehensive shorthand-a better vocabulary recitation book. Small question bank-a relatively complete grammar practice library, arranged in a sub-item way to help you break through one by one. It needs to be used with grammar books, usually middle school grammar books. College English Grammar, an authoritative book on specific grammar, solves most problems in grammar from all aspects, and is worth recommending to students who need to systematically sort out grammar. As for abstract grammar, Zhang Daozhen's Practical English Grammar and some middle school English grammar books are recommended. Famous English articles-Although not aimed at the characteristics of China test, they are diverse in difficulty, practice content and question types, and are suitable for CET-4 candidates to learn.