英语单词几乎是天天必背的，但一定要有计划性，有的人常常用整段的时间如整个上午来背单词，有时候又一天都不翻一下单词书，这是不可取的。2016考研的同学最好制定一个计划，多少天背完一遍，每天背多少个，每天什么时候背，规划地清清楚楚，效率也会高很多。

　　boost

　　n./v.提升;增加

　　【例】The information industry boosted the global economy.信息产业促进了全球经济的发展。

　　【同义替换】promote, facilitate, enhance; increase, augment

　　【真题】Laughter does produce short-term changes in the function of the heart and its blood vessels, boosting heart rate and oxygen consumption.

　　笑确实会使心脏和心血管的功能产生短时间的变化，它会加快心率和氧消耗。

　　specialize

　　v.(in)专攻，专门研究，专业化

　　【例】The ship around the corner specializes in chocolates.拐角那家商店专门出售巧克力。

　　【构词】special(专门的)+-ize(使……)→专攻

　　【同义替换】major, particularize

　　【派生】specialized a.专攻的 specialization n.专门化，特殊化

　　【真题】Journalistic tastes had changed long before his death, and postmodern readers have little use for the richly upholstered Vicwardian prose in which he specialized.

　　在他去世之前，新闻业的品味就早已改变了。并且后现代的读者们很少阅读他所擅长的经过华丽装饰的维多利亚和爱德华时期风格的文章。

　　retreat

　　n./v.撤退，退却

　　【例】Retreat from unpleasant realities into comforting illusions rarely solves any problems.逃避令人不愉快的现实而沉迷于舒适的幻想，是解决不了任何问题的。

　　【同义替换】retire, withdraw

　　【真题】It was inevitable that this primacy should have narrowed as other countries grew richer. Just as inevitably, the retreat from predominance proved painful.

　　随着其他国家日益强盛，美国的这一优势地位逐渐下降是不可避免的。从优势地位上退出的痛苦也同样是不可避免的。