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2024年3月25日发(作者：oracle日志文件怎么看)
考点02 阅读理解说明文
Passage1（2020·四川省仁寿第一中学校北校区高三月考）
Is that person really glad to see me? Or is he just being polite? Some people struggle to
tell an artificial smile from a truly happy-one. And computers have found this task even more
difficult. Recently, researchers have trained a program to detect when a smile is genuine(真诚
的).
Visual computing researchers at the University of Bradford in the U. K. started with a
software for analyzing a changing facial expression. This program can examine a video clip of
a human head and identify(确认) specific details around the eyes, cheeks and mouth. Then the
program tracks the details relative to each other as the face smiles.
Next，the scientists had their program evaluate(评估)two sets of video clips. In one
subjects performed posed smiles. In the other, they watched a film that inspired genuine
displays of emotion. The program calculated the differences among the subjects’ faces
during the two clips. And it turns out that one's mouth, cheeks and eyes move differently
when pretending to smile.
In particular, the muscles around the eyes shift 10 percent more for a real smile than they
do for a fake one. These results are in the journal Advanced Engineering Informatics. "A
genuine smile is indeed in the eyes. The computer aids analysis of the exact weight
distribution of human smiles across the face.” Hassan Ugail and Ahmad Al-dahoud say.
The researchers suggest their work could improve a computer's ability to analyze facial
expressions and thus to interact more smoothly with humans. But their real accomplishment
is in proving Tyra Banks right: "You have to smile with your eyes."
1．What's the purpose of the program?
A．To tell different smiles. B．To detect human heads.
C．To examine human faces. D．To record facial expressions.
2．What did the researchers do in the program?
A．They performed posed smiles. B．They analyzed different video clips.
C．They improved a computer's ability. D．They evaluated a very special software.
3．What result have the researchers found from the program?
A．Smiling with eyes is the most important.
B．Eyes reflect whether a smile is real or not.
C．Mouth，cheeks and eyes always move the same.
D．Muscles move more frequently when people do a faking smile,
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