GRE word list is too difficult to memory.I have tried to memory GRE for 40 times,there arestill some words that I haven't mastered.Why?

GRE word list is too difficult to memory.I have tried to memory GRE for 40 times,there arestill some words that I haven't mastered.Why? It will take hundreds of miles to list corruption Chinese officials.the list is too long. The old man is too old to word.(同义句) 一道GRE数学In a list of numbers,the first number is 3,the second is 4,and each subsequent number is the sum of all the proceeding numbers in the list.If the 20th number in the list is x,what is the 25th number in the list?A 7x B 16x C 32x D 35x E 英语翻译翻译（不要直译）：No act is too small,no kindness too insignificant,no positive word too uninspired. The Word Book is a list of words used in VOA Special English radio programs.如何翻译? the weight of that GRE数学题中boxplots/box-and-whisker the number of times a value appears in the list is called the weight of that value. 求一份巴朗SAT高频词汇表high frequency word list & hot prospects word list 请教Gre红宝书一天看几个list合适 a too long list of suggestions 和 too long a list of suggestions谁正确 the girl is too n to speak a word in front of the whole class The first word you hear when you pick up the phone ishello‘,too.的翻译 What is on your list Word list by chapyer是什么意思请速度回答~~~ 急需SAT巴朗Barron3500 word list （带中文!） 2 standard deviation（sd）是2倍sd的意思吗,可以这样省略比较级?A list of numbers has a mean of a standard deviation of 2.5.If x is a number in the list that is 2 standard deviations above the mean,what is the value of 这是新GRE官 帮看看结构,The longer your list,however,the less useful it is to make your plansThe longer your list,however,the less useful it is to make your plans too specific.it is to make your plans too specific在句中是什么成分?他修饰的是那 为什么a too long list of..是错的?