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
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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.
单项选择题
The most reliable and convenient identification method in present use is ______.
A．signatures
B．photographs
C．fingerprints
D．magnetic stripes
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