Gre preparation synthesis: OG (the only official explanation after the introduction of the new GRE, where and how the questions change, what candidates need to pay attention to, the only authoritative source of information is OG. )
Gre vocabulary preparation: Red Book+reverse cancellation does not mean canceling vocabulary inspection. Words have to be memorized, but some disgusting "familiar words with strange meanings" may not need everyone to rack their brains to come up with various BT methods to memorize, so it is unnecessary for Chen Qi to kill 3000. )
Gre preparation reading: Yang Peng's long and difficult sentences+all kinds of old GRE reading materials (big white book+yellow book reading questions, etc. It's hard enough to study, but now it's even harder. Calm down and take a good exercise. )
Fill in the blanks for gre preparation: OG+ all kinds of old GRE review materials (for example, fill in the blanks in the blue book) (The new GRE has changed a lot, but there are no effective real/simulated questions to practice now, so try to improve your ability to do the questions in the old way first, and then study OG carefully to understand the new questions. )
Gre math preparation: OG+ all kinds of past review materials (fill in the blanks in math review, but our math ability should be enough to cope with new questions. )
Gre preparation writing AW: north American model essay+online review materials (material library, writing handouts, etc. ).