benefit n.利益促进或增强福利的东西；好处(07-12)

E-books have so many benefits that they will replace traditional books. (08-6)

benign adj.和蔼的；温和的；慈祥的(02-1,)
bias n.偏见；成见(, 00-6)

The Oxford dictionary can therefore stand more vigorous scrutiny for cultural bias than the Longman publication because the latter does not hesitate about viewing the rest of the world from the cultural perspectives of the English-speaking world.( 96-6)

Researchers who are unfamiliar with the cultural and ethnic groups they are studying must take extra precautions to shed any biases they bring with them from their own culture. (02-6)

biotech n.生物工艺学(05-6,07-6)

She now works in the biotech forestry division of a major paper company. (07-6)

blame v.谴责；归咎(08-6, )

The mother didn’t know who to blame for the broken glass.(90-1)

blond adj.金发的(05-6)

board n.木板 vt.(收费)供…膳食；搭乘（飞机，船等）交通工具（07-12）

Susan stood motionless at the end of the diving board, hands at her side, heels slightly raised, every muscle anticipating action. (92-6)

When you board a plane, a machine may soon be scanning more than your bags—it may be studying your face. (93-1)

boundary n.界线；边界

burden n.负荷；负担（99-6,00-6）

British universities, groaning under the burden of a huge increase in student numbers, are warning that the tradition of a free education is at risk.(99-6)

candidate n.候选人, 投考者（94-1，95-1，95-6，99-1，99-6，02-1，02-12，07-6）

Your qualities will exhibit to employers why they should hire you over other candidates. （07-6）

capital n. 首都；资金，资本（05-12，06-6，06-12）

It will be increasingly difficult to maintain political support for the free flow of goods, services, and capital across borders. （07-12）

catastrophe n.大灾难, 大祸（08-6）

category n.种类, 部属; 类目

centralize v.集聚, 集中

challenge n.挑战

The challenge is particularly evident in the work—place. （07-12）

characteristic adj.表示特性的；典型的；特有的 n. 特征，特性 (06-6)

If you display these characteristics, with just a little luck, you’ll certainly succeed in the typical personnel interview.(95-1)

charge v.要价；索价；

circumstance n.环境, 详情, 境况 （07-12）

Losing everything you own under such circumstances can be distressing. (06-12)

citizen n.市民, 公民（08-12）

In 1997, NASA published a report concluding that selling trips into space to private citizens could be worth billions of dollars.（06-12）

claim v.要求，认领，索赔

Mothers have always claimed that they could see their newborns looking at them as they held them, despite what they have been told. （91-1）

It is often claimed that nuclear energy is something we cannot do without.（97-1）

clinical adj.临床的；临诊的

clip n.小夹子；回形针不及物动词 vi. 夹上,夹住

Even after graduation, young people find their wings clipped by skyrocketing housing costs.（93-6）

cloud n.云, 烟云（02-6）

cluster n.一串；一束；一群 vt. 群集，聚集（06-12）

When we go abroad, we tend to cluster in hotels and restaurants where English is spoken. （01-6）

coastal adj.海岸的 （02-6）

coincidence n.巧合；巧合的事

It is no coincidence that a large number of violent crimes are committed under the influence of alcohol.

大量的暴力犯罪都是在酒精的作用下发生的，这一点并非巧合。

combine v.联结；结合 （08-12）

This information is combined with a map database.（02-1）

commerce n.商业（02-12）

commodity n. 货场；商品；物品

In his generation money was thought of as a real commodity (实物) that could be carried, or stolen.（92-1）

communicate v. 交流；通信

With stunning speed, the Internet is profoundly changing the way we work, shop, do business, and communicate.（05-12）

community n.社区

Why do some non-native speakers of English claim that it is a difficult language to learn, while infants born into English-speaking communities acquire their language before they learn to use forks and knives? （2009.6）

为什么英语非母语者认为英语难学，而英语环境出生的幼儿在学会使用刀叉前就已经掌握英语了呢？

comparative adj. 比较的（08-12）

compatibility n. 适合， 适应（性）（95-1）