A．draw lively paintings

　　B．show the painter of an ancient painting

　　C．help the police detect a criminal

　　D．examine the value of a painting

　　C　[细节理解题。从文章第三段最后一句话可知，这个软件还可以用来对恐怖嫌疑犯进行面部分析，从而帮助警察侦破案件。所以C项正确。]

　　4．What is the best title for the passage?

　　A．Mona Lisa's "Happy"，Computer Finds

　　B．Another Mona Lisa，Computer Copies

　　C．New Application of Software to Painting

　　D．Artists Puzzled by Mona Lisa's Smile

　　A　[主旨大意题。本文第一段就点明了文章的主旨：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。本文的主旨就是用电脑分析蒙娜·丽莎微笑的秘密。]

　　III.完形填空

　　My daughter had signed an organ donor card，but my husband and I did not know it.We learned about our daughter's decision after she was 1 injured in a car crash.Doctors 2 on her for 20 hours and couldn't save her life.Finally，the doctor 3 told us our daughter was brain dead.Did we want to 4 organ donation?

　　I was already in shock.The 5 of donating my daughter's organs was another shock and I was 6 about my 15­year­old twin grandsons.They had just lost their mother and we had lost our daughter.The doctor 7 the organ harvesting procedure，but I did not want to hear it.

　　We 8 to organ donation and signed the legal papers.The twins said their last goodbye to their mother and the images of their sorrow are 9 in my mind until now.Two days later we received a 10 from the organ donor organization.Our daughter's organs had 11 three lives.Thanks to her generosity，two strangers now see.

Weeks later，we received a certificate from the organ donor organization in 12