写一篇回信 对方主要想了解中国 则写成中美对比形式 要点有下
面积 美 940万 中 960万
人口 美2.83亿 中 13亿
语言 美 英语 西班牙语 中 中文 蒙古语
民族 美 黑人 土著人 中 回 藏...
城市 美 纽约 华盛顿 中 上海 北京..

不要太华丽 有适当(2~3)从句就好

I'd like to tell you something about China. i know that the United States of America covers an area of 9,400,000 square kilometers, while china is a liite larger, and its area is 9,600,000 square kilometers. As for the population, as we all known, China is the most populous country in the world, it has as many as 1.3 billion people. In contrast, the United States of America only has 0.28 billion people. Most americans speak english as their mother tongue, but Spanish is also popular especially among Latin American descendents. the majority of Chinese people speak chinese, and some ethinic minorityis speak mongolia. Finaly, the famous cities in china are beijing, the capital city, and shanghai, while in the US, washington, the capital city and Newyork.