The basic stage can start from listening and vocabulary, such as Tan Jianbo's 20 16 "Guide to High Scores in Listening for CET-4" and Liu Yinan's "Guide to Shorthand of Vocabulary for CET-4", and the intensive stage is of course "Detailed Analysis and Standard Prediction of Real Questions for CET-4", which contains the latest 9 sets of real questions and 3 sets of standard prediction papers. The analysis of real questions is accurate and meticulous, starting from the test center, and grasping the lifeblood of the exam. There are also talents about vocabulary, listening, reading comprehension, translation and writing.