worldwide."，再结合第四段内容可知，Stephen上了BBC的节目"The Foolish Wise Ones"之后开始闻名世界。

　　7．What is special about Stephen's drawing of London?

　　A．It was his greatest work.

　　B．It was drawn in a helicopter.

　　C．It featured historic landmarks.

　　D．It was finished in a short time.

　　解析：选D　细节理解题。根据倒数第二段中的"completing a detailed drawing of London within three hours"可知，Stephen只用了三个小时就完成了伦敦画作。另外第一段中的"His drawings - often drawn from memory and at great speed"也说明了Stephen绘画速度之快。

　　8．The text is likely to appear in ________.

　　A．a novel B．a biography

　　C．an official report D．a history paper

　　解析：选B　文章出处题。本文按照时间顺序介绍了天才画家Stephen Wiltshire从小至今的主要事迹，因此本文最有可能出自一篇传记。

　　C

　　The other day, my sister and I were sitting in a restaurant, trying to have a conversation, but her children, four­year­old Willow and seven­year­old Luca, would not stop fighting.The arguments - over a fork, or who had more water in a glass - never stopped.

　　Then my sister reached into her handbag, produced two shiny iPads (苹果平板电脑), and handed one to each child.Suddenly, the two were quiet.They sat playing games and watching videos, and we continued with our conversation.

　　After our meal, as my sister stuffed the iPads back into her bag, she said, "I don't want to give them the iPads at the dinner table, but if they keep them occupied for an hour so we can eat in peace, I often just hand them over.I'm afraid it's bad for them.I do worry that it makes them think it's OK to use electronics at the dinner table in the future."

　　Dr.Gary Small, director of the Longevity Center at the University of California, Los Angeles says that the brain is highly sensitive to stimuli (刺激物), like iPads and smartphone screens, and if people spend too much time on one technology, and less time interacting (互动) with people like parents at the dinner table, that could prevent the development of certain communication skills.

"Conversations with each other are the way children learn to have conversations with themselves, and learn how to be alone，" said Sherry Turkle, a professor of science, technology