dignity ['digniti]
n.尊严、高贵
【真题例句】
Some people sacrifice their dignity for money.
(2011.12 深度阅读)
有些人会为了金钱而出卖尊严。
infant ['inf(ə)nt]
n.婴儿、 幼儿a.婴儿的
【真题例句】
Strong emotional bonds between mothers and infants increase children’s willingness to explore the world—an effect that has been observed across the animal kingdom, in people, monkeys and even spiders. (2012.12 完形填空)
母亲和婴儿之间很强的情感纽带增加孩子对世界的探索，这个现象在动物王国,人,猴子甚至蜘蛛上都可以观察到。
trail [treil]
vt.追踪；拖；蔓延 vi.蔓生n.小径
【真题例句】
Studies show that while girls do better than boys in high school, they start to trail off during their college years.
研究表明，虽然女生在高中阶段的表现由于男生，但是进入大学后开始走下坡路。
feasible ['fi:zibəl]
a. 可行的，可能的，可用的
【真题例句】
Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
技术层面也有待提高，从而使风能、太阳能和氢能成为能源总量中更可行的部分。
ethnic ['eθnik]
a.种族的、人种的、少数民族的
【真题例句】
The advantages, not surprisingly, were greater for African Americans, who are more likely to develop high blood pressure than other ethnic groups, and for the elderly, since blood vessels stiffen with age,which can lead to higher blood pressure.
不出所料，非洲裔美国人和老年人获益更多，因为前者比其他种族的人更容易患高血压，后者则因为随着年龄的增长，血管硬化，进而导致高血压。
document ['dɔkjum(ə)nt]
n.文件，公文；［计］ 文档；证件vt.用文件证明
【真题例句】
The authors documented an annual drop of as many as 120,000 cases of heart disease, 66,000 instances of stroke and 99,000 heart attacks caused by high blood pressure after a 3-g-per-day reduction in salt.
研究人员记录了由于每天减少3克盐的摄入所带来的一份年度下降数，其中包含了12万份心脏病案例、66000例中风和99000例由于高血压导致的心力衰竭。
bid [bid]
v.出价、投标；命令、要求
【真题例句】
The bid went instead to Fuji, which exploited its sponsorship to win a permanent foothold in the marketplace.
富士中标了，它利用赞助商身份在市场赢得了永久的立足点。
slide [slaid]
v.(使)滑动，(使)下滑；(使)悄悄地移动n.滑动，下滑；滑道，滑面；幻灯片
【真题例句】
The cream types are a good choice. They slide down the throat more easily.(2013.6 听力)
这种类型的奶油是个很好的选择。他们很容易下咽。
undertake [ʌndəˈteɪk]
v.承担、做；许诺
【真题例句】
The designers who undertake green fashion still face many challenges.(2009.6 深度阅读)
从事绿色时装设计的设计师们仍然面临着许多挑战。
diabetes [ˌdaɪəˈbi:ti:z]
n.糖尿病；多尿症
【真题例句】
The increase has helped create a global obesity plague that contributes to 35 million annual deaths worldwide from noninfectious diseases including cancer, heart disease and diabetes.
这种上升已经形成了一种全球性的肥胖，造成了全世界每年有3500万人死于非感染性疾病，如癌症、心脏病、和糖尿病。
pledge [pledʒ]
n.保证，誓言vt.保证，许诺
【真题例句】
The pledge has been a matter of some debate in philanthropic and non-profit circles, with some experts dismissing it as mere publicity and others predicting that it would produce a flood of new money to support non-profit groups.
在慈善界和非赢利性团体中，富豪们的捐款承诺是一个有些争议的问题。有些专家持否定态度，认为这只是宣传作秀，其他人则预测这将会招来大量的新资金来支持非赢利性团体。
publicity [pʌb'lisiti]
n.宣传、宣扬
【真题例句】
The pledge has been a matter of some debate in philanthropic and non-profit circles, with some experts dismissing it as mere publicity and others predicting that it would produce a flood of new money to support non-profit groups.
在慈善界和非赢利性团体中，富豪们的捐款承诺是一个有些争议的问题。有些专家持否定态度，认为这只是宣传作秀，其他人则预测这将会招来大量的新资金来支持非赢利性团体。
impulse ['impʌls]
n.冲动、驱使
【真题例句】
The problem is that such an impulse is hard to sustain. Across the country, many similar families were unable to maintain the initial boost in morale(士气).
问题在于这样的冲动很难坚持下去。全国很多类似的家庭最终没能保持他们最初的高昂的士气。
joint [dʒɔint]
n.连接、结合处a.共同的、联合的
【真题例句】
The result of constant muscle tension and stiffness of joints, many of them are avoidable, and simple flexibility training can prevent these by making muscles stronger and keeping joints lubricated (润滑 ).
它们都是经常性的肌肉紧涨和关节僵硬的后果，但是他们中的很多是可以避免的。通过使肌肉更强壮、保持关节润滑一些简单灵活的训练就能避免很多这样的结果。
conduct [ˈkɒndʌkt]
v.引导、 管理、 进行n.行为、 举止
【真题例句】
The team conducted a computer-based analysis to determine the impact of a 3-g-per-day reduction in salt intake on rates of heart disease and death.
该团队实施了一项基于计算机的分析来确定每日盐摄入量减少3毫克对于心脏病发病率和死亡率的影响。
alter ['ɔ:ltə]
v.改变，变化
【真题例句】
Their lively discussions spurred Maura to make small but nevertheless life altering changes. (2006.12快速阅读)
她们热烈地讨论激发了Maura对她生活方式的改变，虽然只做出了一点改变。
therapy ['θerəpi]
n.治疗，疗法
【真题例句】
There can be no simple therapy for psychological problems.(2010.6 深度阅读)
对于心理问题来说，没有什么简单的治疗方法。
inferior [in'fiəriə]
a.下级的、劣等的、次的
【真题例句】
They are of an inferior social group.(2009.12 深度阅读)
他们是社会中的弱势群体。
enroll [in'rəul]
v.入学、加入
【真题例句】
They enroll in different kinds of classes, tend to major in less rigorous(非常严格的)subjects, and generally head off with less ambitious plans.
她们选了不同类的课程，更倾向于相对不严格的科目，普遍转向了雄心较弱的规划。
harsh [hɑːʃ]
a.粗糙的、严厉的、严酷的
【真题例句】
They learned to cooperate under harsh conditions.(2011.12 听力)
在严酷的环境下他们学会了合作。