Woodman, spare that tree! Touch not a single bough! In youth it sheltered me, And I'll protect it now. 『Twas my forefather's hand That placed it near his cot; There, woodman, let it stand, Thy axe shall harm it not! That old familiar tree, Whose

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by 刘貂儿 | 2012-10-17

A vibraphone is a jazz instrument that was invented around 1920. It's a percussion instrument, so a musician must beat or strike it to make sounds. It looks a little like a xylophone and has tuned metal bars that a player hits with felt or

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by Maddy | 2013-01-24

Software technology that allows writers to easily post their own essays on the World Wide Web has challenged the traditional role of media organizations as gatekeepers to a mass audience.

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by Maddy | 2013-01-24

Public libraries and the professionals who staff them still play key roles in assisting the public in navigating the oceans of information now available to them through the Internet.

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by Maddy | 2013-01-24

Newspapers large and small have a long history of adapting to technological and market change.

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by Maddy | 2013-01-24

Zooming technological advancement has forced broadcasters to adjust to wave after wave of change.

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