单项选择题

Which of the following methods is the least psychologically acceptable

A．Photographs.
B．Lipprints.
C．Fingerprints.
D．Voiceprints.
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单项选择题
The passage is organized by _______.
A．a simple listing of facts
B．presenting a solution and discussing its advantages or disavantages
C．cause and effect
D．comparison and contrast
单项选择题
Which of the following is NOT mentioned as one of the identification system requirements
A．Convenience.
B．Reliability.
C．Low costs.
D．Acceptability.
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