因本写作任务开头和结尾已给出，所以我们只需写出正文部分即可。根据表格信息，正文部分可分为三部分：

第一部分：引出话题，说明写信目的。

第二部分：介绍成都概况（包括地理位置、面积和人口、著名景点以及特色小吃）。

第三部分：总结全文（期待对方来访）。

三、组织语言

第一部分：引出话题，说明写信目的。

普通表达 高级表达 ◆I'm glad to tell you something about ...

◆I'm happy to have received your email. Now I'm writing to tell you something about ... ◆I'm pleased to give you a brief introduction to ...

◆I'm delighted to hear from you. Now I'd like to introduce ... to you. 第二部分：介绍成都概况。

普通表达 高级表达 地理位置 ◆... is in / on / next to ...

◆... is in the east／west／... of ... ◆... is located / situated in ...

◆Located / Situated in ..., ... is ...

◆... lies / sits on ... 面积 ◆... is ... square kilometers (in area).

◆The area of ... is ... square kilometers. ◆... covers／has an area of ... square kilometers.

◆... is a(n) ... city / town /... covering ... 人口 ◆The population of ... is ...

◆There are ... people in ... ◆... has a population of ...

◆With a population of ... 旅游景点 ◆... has many tourist attractions, like / such as ...

◆... is a dream place for those who love ... ◆There are many tourist attractions you can visit / well worth visiting in ..., like / such as ...

◆... enjoys a high reputation for being the best tourist destination to ...