1, the official GRE test guide, commonly known as OG, is the exclusive authorized version of ETS (Educational Testing Service Center, the organizer of GRE test) in China. It is an official preparation guide book specially prepared by ETS for GRE test, and it is an authoritative counseling book necessary for GRE candidates.

2. "GRE will kill you 3000 more", * * * has 3 1 lists, each list contains 10 units, and each unit has 10 words, so candidates can learn step by step. This book selects the common meanings in the GRE test, and marks the core meanings of each English explanation with bold and underline, which is convenient for candidates to quickly grasp the characteristics of words. It is equipped with classic examples with the same difficulty level as GRE test, and its Chinese interpretation is concise and interesting, which is convenient for candidates to easily master words in specific contexts.

3. "24 sets of refining and refining" is closely combined with GRE test, and the form completely imitates the real question. * * * contains 24 sets of GRE-based fill-in-the-blank exercises. Each question provides a detailed solution. By using "equality sign" and marking key information, the problem-solving process is simplified, the reasoning logic of the problem is enhanced, and the candidates can consolidate their knowledge and improve their adaptability to the exam.