假设你是李华，你是一名奥运会志愿者，你将带领一个来自美国的奥运旅游团游览某城市一著名的旅游景点---XXX。请用英文写一个关于XXX和活动安排的口头导游词，主要内容包括：

　　1、欢迎来到XXX城市，我很高兴成为你们的导游;

　　2、XXX是一个具有悠久历史的城市;

　　3、XXX是XXX市的历史性建筑，是XXX的发源地;

　　4、“XXX”已经成为世界文化遗产;

　　5、祝愿大家在XXX玩得开心。

　　2、参考范文

　　Ladies and gentlemen

　　I feel honored to be your guide for the one-day tour to the XXX. First of all, on behalf my travel agency, I’d like to extend my welcome to all of you.

　　Our schedule for today is to visit the famous scenic spot --- the XXX, which is the historic architecture in the city of XXX. As the origin of XXX, the XXX has become the world cultural heritage. I’m quite sure that you will be impressed by the beauty of the royal construction and the long history of the city as well. Wish you have great fun during the whole day!