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We are said to be living in______ Information Age, ______ time of new discoveries and great changes.
A.an; theB./; theC./, aD.the; a
D

试题分析:句意:据说我们生活在“信息时代”,一个充满新发现和富有变化的时代。不定冠词a/an表示某一类人或某事物中的任何一个,经常用在第一次提到某人或某物时,用不定冠词起介绍作用,表示一个。定冠词特指某(些)人或某(些)事物, 以区别于同类中其他的人或事物。Information Age专有名词前加the。后句是同位语,表示解释说明表示类别,故选D。
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