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 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.
单项选择题
What did the Super Bowl attendees NOT do in their reaction to the installation of scanners
A．Covering their faces with something.
B．Opposing the scanning by protesting.
C．Making obscene gestures at the cameras.
D．Wearing masks when attending the gam
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