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17.The People's Republic of China was founded in 1949.

分析 中华人民共和国建立于1949年.

解答 81.founded,根据语境是指"中华人民共和国建立于1949年.",因此使用动词found"建立",与其主语是被动的关系,因此用被动语态be done的形式,故答案为founded.

点评 考查词汇的记忆,在平时的学习中,要对词汇的应用进行积累.

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