考研对于词汇的考查主要体现在考生“同义替换”的能力上，也就是考查考生对于语言多样性的把握，所以考生在背单词的时候一定要掌握单词的同义词。
variable
a.易变的，可变的;变量的 n.变量
【例】Charcoal here implies a component with variable properties, not a specific chemical.木炭是一种具有可变性质而不是特定性质的化学药品。
【构词】vari(改变)+-able→能改变的→可变的
【同义替换】changeable, mobile, unstable, liquid
【真题】Building on the basic truth about interpersonal influence, the researchers studied the dynamics of social influence by conducting thousands of computer simulations of populations manipulating a number of variables relating to people’s ability to influence others and their tendency to be influenced.
基于人际影响的基本事实，研究人员通过成千上万的计算机模拟来研究人群的动态关系，掌握了 一系列与人们影响他人的能力和受他人影响的可能性相关的变量。
elite
n.精华;精锐;中坚分子
【例】But its greedy elite will still try to manipulate the scheme.不过，该国贪婪的精英们仍将试图操控这一计划。
【构词】e+lite(=lig选择)→精选出来的→精英
【同义替换】cream, essence, quintessence
【派生】elitism n.精英主义;杰出人物统治论
【真题】If you were to examine the birth certificates of every soccer player in 2006’s World Cup tournament, you would most likely find a noteworthy quirk: elite soccer players are more likely to have been born in the earlier months of the year than in the later months.
如果你查一下参加2006年世界杯足球锦标赛的每位运动员的出生证明，就既有可能发现一个引人注目的怪现象：出色的足球运动员往往出生在一年内的前几个月而不是后几个月。
haste
n.匆忙，急速，草率 v.赶快，匆忙
【例】The more haste, the less speed.欲速则不达。
【同义替换】hurry
【派生】hasty a.匆忙的，仓促的，草率的 hasten v.急忙，赶快;催促，促进
【真题】Some have breathed sighs of relief, others, including churches, right-to-life groups and the Australian Medical Association, bitterly attached the bill and the haste of its passage,
一些人如释重负，另一些人，包括教会、生命权利组织以及澳大利亚医学会成员都对这一决议及其仓促的通过进行了猛烈的抨击。
privacy
n.独处，私生活;隐私，私事
【例】She complained that the questions were an invasion of her privacy.她投诉这些问题侵犯了她的个人隐私。
【同义替换】secrecy, seclusion, isolation
【派生】private a.私人的;私有的;私下的
【真题】Brendon Lynch, Microsoft’s chief privacy officer, blogged : ” We believe consumers should have more control. ” Could it really be that simple?
Brendon Lynch，微软的首席隐私官，在自己的博客上说：“我们相信客户应当(对自己的线上行为信息)有更大的掌控权。”但事实上真的有那么简单吗?
convey
v.运送，搬运;传达，传播
【例】Pipes convey hot water from the boiler to the radiators.通过管道把热水从锅炉输送到散热器里。
【构词】con-+vey(道路)→在路上运输→运送
【同义替换】transport, express, deliver
【派生】conveyable a.可传达的;可搬运的 conveyance n.运输，运输工具
【真题】Television is one of the means by which these feelings are created and conveyed—and perhaps never before has it served so much to connect different peoples and nations as in the recent events in Europe.
电视是引发和传达这些感受的手段之一，在欧洲进来发生的事件中，它把不同的民族和国家连到一起，其作用之大，前所未有。
convince
v.(of)使信服，使确信
【例】What she said convinced me that I was mistaken.她的一番话使我认识到我错了。
【构词】con-+vinc(征服)+e→说服，使信服
【同义替换】ensure, assure, confirm
【派生】convincible a.可信服的 convincing a.令人信服的，有说服力的
【真题】This, he thought, could not be true, because the “ Origin of Species ” is one long argument from the beginning to the end, and has convinced many able men.
他认为这些指责不可能是正确的，这是因为人们对《物种起源》从始至终争论不休，许多有能力的人都相信其观点。