【GMAT考满分逻辑CR题库】An office building secured by voice-recognition_真题_答案

题目内容

An office building secured by voice-recognition technology, which restricts access to the building to those individuals whose voices are known by the system, does not merely recognize the words an individual speaks but the way he or she speaks them, analyzing tone and pitch to distinguish one speaker from every other. Even the most adept vocal mimics cannot reproduce all the qualities analyzed by the technology.

Which of the following can be logically concluded from the passage above?

A
The time-consuming nature of the process of vocal registration makes widespread adoption of the system impractical.
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B
Voice-based security systems will soon be adopted by most building proprietors.
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C
Unauthorized individuals cannot gain access to buildings secured by voice recognition technology through vocal mimicry skills alone.
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D
Voice recognition software has been in development for decades.
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E
Registered users are denied access to secured buildings often enough for it to pose a major inconvenience to businesses.
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正确答案: C

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