馆藏文献数字化( )。a利于保护馆藏文献 b利于提高文献的利用率 c利于开展研究 d利于图书馆的科学管理

馆藏文献数字化( )。a利于保护馆藏文献 b利于提高文献的利用率 c利于开展研究 d利于图书馆的科学管理

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Which of the following descriptions of the Mississippi River is NOT true?

Which of the following descriptions of the Mississippi River is NOT true?

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The first ten amendments,known as( )were added to the American Constitution in 1

The first ten amendments,known as( )were added to the American Constitution in 1791.

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Three of the following are the main activities of the City of London.Which is th

Three of the following are the main activities of the City of London.Which is the exception?

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