填空题（含图）
Super realistic masks are made from flexible materials such as silicone and are designed to imitate real human
face-down to every last detail.
In a study by the Universities of York and Kyoto, researchers asked participants to look at pairs of photographs and
decide which showed a 【26】（）face and which showed a person wearing a mask.
Surprisingly, participants made the wrong call in one-in-five cases.
The 20% error rate 【27】（） in the study likely underestimates the extent to which people would struggle to tell
an 【28】（） face from the real thing outside of the lab.
The researchers collected data from participants from both the UK and Japan to 【29】（） any differences according to race. When trial participants were asked to choose between photographs of faces of a different race from theirs, response times were slower and selections were 5% less 【30】（）.
There are now dozens of criminal cases in which offenders have 【31】（） themselves off as people of a different age, race or gender, sending police investigations down the wrong path.
In one recent case, an international gang used an 【32】（） realistic mask to pose as a French minister, 【33】（） business executives out of millions of pounds.
Dr Jet Sanders, who worked on the study while a PhD student at the University of York, said:“Failure to detect synthetic faces may have important implications for security and crime prevention as super realistic masks may 【34】（） the key characteristics of a person's appearance to be 【35】（） identified."
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