题目

信息归纳；请阅读下面这篇文章，根据所提供的信息，完成下列表格。 Anne Zhang is a 21-year-old girl from Hangzhou, China. Now she studies in Britain. One day, when she was taking a train from London to Oxford, she heard loud noises on the train.  Before, the train had been very quiet. Some people were resting while others were reading books or listening to music. Suddenly, a group of Chinese people laughed loudly as they played a game of cards. “ I would usually be very happy to meet people from my own country. But at that moment, I wanted the ground to open（2007•上海）函数：的定义域是    ．