terror suspects on the basis of their emotions as well as their physical characteristics.

　　Possibly the most famous portrait of all time，Mona Lisa's mystic expression has puzzled art lovers for five centuries.In 2003，a scientist from Harvard University said the way the human eye processes visual information meant her smile was only apparent when the viewer looked at other parts of the painting.

　　The painting，which is on public display in the Louvre in Paris，was painted between 1503-1506.It was thought to be named after the sitter(被画像的人)，most likely the wife of Francesco del Giocondo，an Italian living in Florence.

　　Mona Lisa features in the opening of Dan Brown's hit novel The da Vinci Code when the curator(馆长) at the Louvre is found dead near the painting.

　　【语篇解读】　世界名画《蒙娜·丽莎》的微笑令无数人着迷，现在科学家们利用电脑技术对蒙娜·丽莎的面部表情进行破解，得出她的表情83%是高兴，9%是厌恶，6%是恐惧，还有2%是愤怒。

　　1．The underlined word"cracked"in the first paragraph is closest in meaning to" "．

　　A．accepted 　　　　　B．broken

　　C．discussed D．analyzed

　　B　[词义猜测题。从第一段我们看出，蒙娜·丽莎神秘的微笑被"破解"了。]

　　2．According to the passage，the software judged Mona Lisa's emotion by ．

　　A．her certain facial features

　　B．the change of her smile

　　C．the paint on the painting

　　D．all the parts of the painting

　　A　[推理判断题。从文章第二段第二句话我们看出：使用这个软件分析蒙娜·丽莎的嘴唇的曲度、眼睛周围的皱纹等。我们得出的结论就是：分析了蒙娜·丽莎的某些面部表情特征。]

3．The practical use of emotion­recognition software might be to ．