1. exhibition [eksɪ'bɪʃ(ə)n]
n. 展览，显示；展览会
【真题例句】The mechanic should sit down among levers, screws, wedges, wheels, etc, like a poet among the letters of the alphabet, considering them as an exhibition of his thoughts, in which a new arrangement transmits a new idea. 技术人员坐在杠杆、螺钉、楔子、轮子等中间，如同一位诗人处在词汇之中，应该把它们看做是自己思想的一种表达，每一个新的组合都能传达一个新的意念。
2. discrimination [dis,krimi'neiʃən]
n. 歧视；区别，辨别；识别力
【2003·真题例句】Railroads justify rate discrimination against captive shippers on the grounds that in the long run it reduces everyone's cost. 对“被控制”客户进行的价格歧视，铁路公司提出的理由是，从长远来看，这样做会降低所有人的成本。
3. solvable ['sɔlvəbl]
adj. 可以解决的；可以解的；可溶的
【2015·真题例句】The authors of the research article are optimistic because the problem is solvable.该论文的作者持乐观态度，这是因为问题是可以解决的。
4. taxpayer ['tækspeɪə]
n. 纳税人
【真题例句】At the same time the great municipalities went into business to supply lighting, trams and other services to the taxpayers. 与此同时，大城市的市政府也开始涉足实业界，为纳税人提供照明、电车及其他服务。
5. havoc ['hævək]
n. 大破坏；浩劫；蹂躏v. 严重破坏
【2010·真题例句】Judging from the context, the phrase “wreaking havoc” most probably means causing damage.根据上下文语境，第二段中的词组wreaking havoc最可能的意思是造成破坏。
6. behavioral [bi'heivjərəl]
adj. 行为的
【2002·真题例句】The behavioral sciences have been slow to change partly because the explanatory items often seem to be directly observed and partly because other kinds of explanations have been hard to find.行为科学之所以发展缓慢，部分原因是用来解释行为的依据似乎往往是直接观察到的，部分原因是其他的解释方式一直难以找到。
7. define [di'fain]
vt. 定义；使明确；规定
【2014·真题例句】Of even greater concern is the fact that obesity turns out to be very difficult to define.更令人关心的是，事实上肥胖是很难定义的。
8. deliberation [di,libə'reiʃən]
n. 审议；考虑；从容；熟思
【2014·真题例句】Visual recognition, reads the study, is “an automatic psychological process occurring rapidly and intuitively with little or no apparent conscious deliberation”. 研究显示，视觉识别是“一种自发的心理过程，这个过程依靠直觉快速发生，很少或没有经过刻意的深思熟虑”。
9. scary ['skεəri]
adj. 提心吊胆的；引起惊慌的；胆小的
【2014·真题例句】This is a powerful argument, and a scary one.这是一个有说服力的但同时又让人恐慌的观点。
10. premium ['priːmɪəm]
n. 额外费用；奖金；保险费adj. 高价的；优质的
【真题例句】Among the many shaping factors, I would single out the country’s excellent elementary schools; a labor force that welcomed the new technology; the practice of giving premiums to inventors; and above all the American genius for nonverbal, “spatial” thinking about things technological. 在诸多形成因素中，我想特别指出如下因素：这个国家优异的小学教育；欢迎新技术的劳动大军；对发明者进行奖励的做法；尤其是美国人在处理技术性事物时所具有的非语言的空间思维才能。
