1. profitable ['prɒfɪtəb(ə)l] 

adj. 有利可图的；赚钱的；有益的

【真题例句】Moreover, most of the changes that companies make are intended to keep them profitable, and this need not always mean increasing productivity: switching to new markets or improving quality can matter just as much.另外，公司大部分的改革是为了赢利，而达到赢利的目的不一定非要提高生产力：转入新的市场或改善产品质量也会有同样的功效。

2. concentration [,kɔnsən'treiʃən]

n. 浓度；集中；浓缩；专心；集合

【2001·真题例句】In cars, too, concentration is increasing———witness Daimler and Chrysler, Renault and Nissan————but it does not appear that consumers are being hurt.在汽车行业，合并也同样在增加，看看戴姆勒与克莱斯勒，雷诺与尼桑，但仿佛消费者并未受到伤害。

3. chairman ['tʃeəmən] 

n. 主席，会长；董事长

【真题例句】Levin would not comment on the debate last week, but there were signs that the chairman was backing off his hard-line stand, at least to some extent. 列文不愿对上周的辩论做任何评论，但有迹象表明，这位董事长至少在某种程度上放弃了自己强硬的立场。

4. relevant ['reləvənt]

adj. 有关的；中肯的；有重大作用的

【2002·真题例句】Your humor must be relevant to the audience and should help to show them that you are one of them or that you understand their situation and are in sympathy with their point of view.你的幽默必须与听众有关，向他们表明你是他们中的一员，或者你了解他们的处境并同情他们的观点。

5. suicide ['sjuisaid]

n. 自杀；自杀行为；自杀者adj. 自杀的

【2002·真题例句】The Supreme Court’s decisions on physician-assisted suicide carry important implications for how medicine seeks to relieve dying patients of pain and suffering.最高法庭关于医生协助病人自杀问题的裁决，对于医学界寻求减轻病危者的痛苦，具有重要的意义。

6. formula ['fɔ:mjulə]               

n.公式，准则；配方

【2014·真题例句】It’s time to reinvent the formula for how work is conducted, since we are still relying on a very 20th century notion of work, Hagel says.哈格尔认为，是时候对我们的工作方式进行改良了，这是因为我们对工作的认知仍停留在20世纪。

7. direction [di'rekʃən]               

n. 方向；指导；趋势；用法说明

【2015·真题例句】There was an increase in involuntary part-time in June, but the general direction has been down. 六月份非自愿兼职人数有所上升，但整体呈下行趋势。

8. superiority [suː,pɪərɪ'ɒrɪtɪ]               

n. 优越，优势；优越性

【2014·真题例句】Social psychologists have amassed oceans of research into what the call the “above average effect”, or “illusory superiority”, and shown that, for example, 70% of us rate ourselves as above average in leadership, 93% in driving and 85% at getting on well with others—all obviously statistical impossibilities.社会心理学家已经积累了大量数据，研究他们称为“高于平均水平效应”或“虚幻的优越感”的现象，并表明，比如70%的人认为自己在领导能力上高于平均水平，93%的人在驾驶方面、85%的人在与人相处上高于平均水平——这在统计学上显然是不可能的。

9. current ['kʌrənt]               

adj. 现在的；流通的n. （水，气，电）流；趋势

【2013·真题例句】It is implied in paragraph 2 that the current immigration system in the US should be adopted to meet challenges.第二段暗示美国目前的移民制度应有所改变以应对挑战。

10. energetic [,enə'dʒetɪk] 

adj. 精力充沛的；积极的；有力的

【真题例句】The change met the technical requirements of the new age by engaging a large professional element and prevented the decline in efficiency that so commonly spoiled the fortunes of family firms in the second and third generation after the energetic founders. 这种变革通过聘用大量专业人员来适应新时代的技术要求，并防止了效率的降低，而在过去这种低效率使得许多旧式家族企业在精力充沛的创业者之后的第二、三代手中破产倒闭。

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