contribute v. 捐献；贡献

The Chinese Red Cross contributed a generous sum to the relief of the victims of the earthquake in Turkey. (03-9)

In 1964, Knight and Bowerman contributed $500 each to form Blue Ribbon Sports, the predecessor of Nike. (08-12)

Viewing abnormally large amounts of violent television and video games may well contribute to violent behavior in certain individuals. (06-6)
controversy n.论争, 辩论, 论战

After several nuclear disasters, a controversy has raged over the safety of nuclear energy. (01-1)

convenience n.适合；方便

The individual mobility, convenience, and status given by the private passenger car offer a seemingly unbeatable attraction. (92-6)

conventional adj 传统的，习惯的

Most new residential buildings in Sweden are already heated with ground-source heat pumps. Such systems consume almost no conventional fuel at all. (07-12)

converse adj. 相反的, 颠倒的(03-12)

convince v. 使确信, 使信服

Knight convinced the company’s officials of the potential for its product in the U.S. (08-12)

coordinate vt. 协调，调节n.同等的(人或物); 坐标（用复数）

Clearly, protecting will come only through coordinated international efforts to control human population, stabilize the composition of the atmosphere, and preserve intact Earth’s complex web life. (98-6)

corporate adj.全体的，公司的

There, men are still expected to be breadwinners climbing the corporate ladder; traditionally-minded bosses are often unsympathetic to family needs. （07-12）

correlate vt.叙述，使联系

It is true that in this country we have more overweight people than ever before, and that, in many cases, being overweight correlates with an increased risk of heart and blood vessel disease. (02-6)

count v .数, 计算; 认为，看作

When labeling games as violent or non-violent, should a hero eating a ghost really be counted as a violent event? （06-6）

creature n. 人，动物， 创造物

In an attempt to find out how different creatures see the world, psychologists at Brown University in the USA have been comparing the behaviour of birds and humans. (90-6)

crime n. 犯罪，犯罪行为

The suspect alleged that he had not been in the neighbourhood at the time of the crime. (00-6)

critical adj. 批评的，危急的, 评论的

You can’t be too careful in making the decision as it was such a critical case. (90-1)

The transition from childhood to adulthood is always critical time for everybody. (01-6)

culture n. 文化，文明

Our culture has caused most Americans to assume not only that our language is universal but that the gestures we use are understood by everyone. (01-6)

curative adj. 医疗的 (03-12)

curriculum n. 课程 (98-6)

cycle n. 周期，循环，自行车

Breaking the cycle of doing what you have always done is one of the most difficult tasks for job seekers. (07-6)

debate v. 争论，辩论

They had fierce debate as to whether their company should restore the trade relationship which was broken year ago. (97-1)

decade n. 十年，十

The South Florida nesting population has declined by 50% in the last decade, according to a marine biologist. (2009.6)

根据一位海洋生物学家的研究，弗罗里达南部穴居种群的数量近十年减少了50%。

deceptive adj. 欺骗性的

As an example of what’s going on, consider U.S. Bancorp, which was recently sued for deceptive practices by the state of Minnesota. (04-6)

decline vi. 下降，下垂 (97-6)

Last year, the crime rate in Chicago has sharply declined.

deduce v.演绎,推理 (02-12)

deem v.想, 认为, 视为; 相信

Anyone not paying the registration fee by the end of this month will be deemed to have withdrawn from the program. (2004.6)

本月底没有交纳注册费的人将被视为退出本计划。

defeat n. 击败，战胜，失败

The results showed that attractive males utterly defeated unattractive men, but the women who had been ranked most attractive invariably received the fewest votes. (95-6)

defect n.过失，缺点

Having evolved when the pace of life was slower, the human brain has an inherent defect that prevents it from absorbing several streams of information simultaneously and acting on them quickly. (96-1)

deficiency n. 缺乏， 不足 (05-1)

definition n. 定义，解说，精确度，清晰度

The service industry, by definition, exists to cater to others’ needs. (07-12)

defy 1.vt 不服从，藐视，挑衅，违抗

You shouldn’t defy your father’s instructions. Anyway he is an experienced teacher. (05-12)