综合写作。
假设你是2008年奥运会志愿者，请你用英语向来京的外宾简要介绍一下北京的情况。
内容要点如下：
1、北京是中国的首都，拥有1200多万人口；
2、北京是中国的政治和经济中心，每年有很多重要的国际会议在此召开；
3、北京是一个具有悠久历史的现代化城市，有许多古代建筑和漂亮的公园；
4、北京是个旅游城市，每年都有成千上万的外国旅游者来观光旅游；
5、希望你在北京期间玩得开心。
经济中心 economic centre
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Welcome to Beijing! I am very glad to tell you something about Beijing, the capital of our country, which
is a large city with a population of more than 12 million. It is also China's political and economic centre. Every
year many important international meetings are held here.
Beijing is now a modern city with a long history. There are many ancient buildings and beautiful parks here
and it is becoming more and more beautiful. Millions of visitors from different parts of the world come here
very year. I expect you will have a good time and enjoy yourself here.
答案不唯一