When we learn that the distinguished professor assuring us of the safety of a particular product holds a consultancy with the company making it, we cannot be blamed for wondering whether his fee might conceivably cloud his professional judgment. (05-12)

　　consumer n.消费者

　　Through advertising, companies conditioned consumers to buy things they didnt really want or need.

　　contact lens n. 隐形眼镜

　　A new high-performance contact lens under development at the department for applied physics at the University of Heidelberg will not only correct ordinary vision defects but will enhance normal night vision as much as five times, making peoples vision sharper than that of cats.

　　contemplate v. 注视;沉思

　　My grandfather, a retired worker, often contemplates the past with a feeling of longing and respect.

　　content n.内容, 容量 v. 满足 adj. 满足的

　　In addition, that social context affectsboth directly and indirectlythe media and the media content to which you become exposed.

　　contradict v.反驳;与矛盾

　　Recent stories in the newspapers and magazines suggest that teaching and research contradict each other, that research plays too prominent a part in academic promotions, and that teaching is badly underemphasized.

　　contrary adj.相反的

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