試題詳解

27. Which of the following statements is true about the technology?　
(A)Identical twins can be distinguished with this newly developed technique.　
(B)This system fails to identify people of parts of their faces are made unclear.　
(C)The police don't intend to take advantage of it to track suspects and catch criminals.　
(D)Airline passengers should always show their passport to pass through security at any airport.