1. supporter [sə'pɔ:tə]

n. 支持者；拥护者

【真题例句】Supporters of the new super systems argue that these mergers will allow for substantial cost reductions and better coordinated service.支持组建超大型铁路集团的人士认为，合并将导致运输成本的大幅降低，铁路公司更协调地提供服务。

2. negative ['neɡətiv] 

adj. [数] 负的；消极的；否定的；阴性的

【真题例句】The author’s attitude toward the influence of advertisement on people’s habits is negative.作者对广告对人们形成习惯的影响的态度是消极的。

3. diffusion [di'fju:ʒən]               

n. 扩散，传播；[光] 漫射

【真题例句】Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries.人们曾对20世纪电视的发展以及15世纪和16世纪印刷术的传播进行了比较。

4. reliability [rɪ,laɪə'bɪlətɪ]

n. 可靠性

【真题例句】Nonetheless, many companies still hesitate to use the Web because of doubts about its reliability.不过，由于怀疑网络的可靠性，许多公司仍对网络的使用犹豫不决。

5. irresponsibility ['iri,spɔnsə'biləti]             

n. 无责任，无责任感

【真题例句】This does not mean that adults must accept irresponsibility.这并不是说成人没有责任。

6. distinction [dis'tiŋkʃən]               

n. 区别；差别；特性

【真题例句】No clear-cut distinction can be drawn between professionals and amateurs in science: exceptions can be found to any rule.在科学领域内，专业人员与业余人员之间没有绝对的区分：任何规则都有其例外。

7. hypocrisy [hi'pɔkrisi]

n. 虚伪；伪善

【真题例句】There is a heavy note of hypocrisy in this, a case of closing the barn door after the horses have escaped—with the educated themselves riding on them. 这其中有着浓厚的虚伪色彩，恰如马跑后再关上马厩的门那样，而受过良好教育的人自己正骑在那些马背上。

8. export [ik'spɔ:t]

n. 输出，出口；出口商品v. 输出，出口

【真题例句】The oil price was given another push up this week when Iraq suspended oil exports.本周伊拉克暂停石油出口，这使油价又一次上扬。

9. inopportune [in'ɔpətuj:n]

adj. 不凑巧的，不适当的；不合时机的

【真题例句】Hard times may hold you down at what usually seems like the most inopportune time, but you should remember that they won’t last forever.可能似乎总在我们最不顺心的时候出现，但我们应该记住艰难总是会过去的。

10. prejudice ['predʒudis]               

n. 偏见；侵害vt. 损害；使有偏见

【真题例句】It needs to put historical prejudices to one side and take some steps to address our urgent housing need.政府需要把历史偏见放到一边，并且采取一些措施来解决我们迫切的住房需求。