题目：请以“Changes in Shanghai"为题，写一篇不少于60单词的作文。
Changes in Shanghai
1 300年前的上海
2 上海的今天（东方明珠、金茂大厦）
3 上海的明天（2010年的世博会）
参考作文
Shanghai was a small town three hundred years ago. There were only a few thousand people living here. Many of them were fishermen and farmers.
300年前，上海只是个小镇，只有几千人居住在这里，其中很多人是渔民和农民。
Today, Shanghai is becoming an international city. Many tall building have been built. Some bridges have been put up over the Huangpu River. More and more foreigners come to Shanghai for a v
