1, "My First Phonetic Book": a book published by Hunan Education Audio-visual Electronic Publishing House in September, 20 1. This book mainly talks about international English phonetic symbols, pronunciation exercises and other related contents.

2. Associative memory method: Vocabulary is the basis of learning English, and a lack of vocabulary will seriously affect a person's listening, speaking, reading and writing ability. When dealing with the exam, if the vocabulary is not enough, any test-taking skills will not play any role.

3. IELTS vocabulary victory classic: published by Yan Qun Publishing House on 20 10, by Sun Tao and Nichol Mei. This book closely follows the trend of IELTS test and gives vocabulary for IELTS test preparation. It is a necessary guidance book for IELTS test to help candidates prepare for IELTS test scientifically in a short time.

4. Published by Yan Qun Publishing House on September 6, 2007. In this book, IELTS vocabulary is divided into 28 subjects and 8 meaning groups. The arrangement of words in subject and meaning group follows a certain logical order, just like notes taken in class, long strings of words are naturally injected into the brain.