阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Xi’an is 【小题1】 capital of Shaanxi province, 【小题2】 (locate) in the southern part of the Guanzhong Plain. Xi’an is recognized as one of 【小题3】 (important) cities in China, both 【小题4】 (history) and currently. Xi’an, 【小题5】 (call) Chang’an in ancient times, 【小题6】 (be) the capital region for 13 dynastic periods. It also has been the eastern end of the Silk Road, so Xi’an was the first Chinese city 【小题7】 (open) up its doors to the ancient world. Xi’an is surrounded by natural beauty, 【小题8】 (include) rivers, mountains, plains, and rolling hills. Xi’an, the eternal city, 【小题9】 (record) the great changes of the Chinese nation just like a 【小题10】 (live) history book.