单项选择题

What is this passage mainly talking about

A．Worldwide recognition of surveillance.
B．Face recognition technologies and surveillance.
C．Privacy protection and security measures.
D．Different views on face scanning technologies.
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单项选择题
Which of the following statements is true, according to this passage
A．Facial recognition systems may possibly make false matches.
B．T.F. Green International Airport has installed the cameras in 2002.
C．Many other airports are now considering installing the cameras.
D．This technological invention is too expensive to install now.
单项选择题
Which of the following is NOT true, according to the passage
A．The city of Tempa was awarded a Big Brother Prize for spying on Super Bowl attendees.
B．The Virginia Department of Criminal Justice Services granted the city of Virginia Beach.
C．T.F. Green International Airport was the first to consider installing face recognition cameras.
D．The Super Bowl installed cameras equipped with face recognition technology for security.
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