Hello Andy,
I am Li Hua, chairman of the Students' Union. I am very pleased to welcome (很高兴地欢迎) you here.
Changzhou is in the south-west of (在……的西南)Jiangsu. There are more than(超过) 5 million people living in Changzhou. People here are really friendly and helpful(友好且乐于助人). If you come here, I think you shouldn't miss Xi opera. Different from(与……不同) Bejing opera, Xi opera has a strong local colour(浓厚的地方色彩) and is well worth watching(很值得观看). You may also visit Yangqiao Old Town. It is popular among tourists. You can also listen to a talk about the history of Changzhou and taste some local food.
I hope you'll enjoy your stay here!
Yours,
Li Hua
本文是一篇书信,书信要用书信的格式(文章开头、结尾、落款均已给出。)
本文正文第1段是总领句,表达了对对方来常州的欢迎(已给出);
正文第2段详细地介绍了常州的地理位置、常州人的性格特点、常州的文化、常州著名的人文历史景观;
正文第三段(已给出)表达对对方的美好祝愿。
文章逻辑清晰、内容有层次,包含了题目中所有问题的回答,详略得当,用词准确、地道。