题目内容：

众所周知，饺子是最具中国特色的传统美食之一，距今大约有1800年的历史。假如你是来自美国的交换生 Sammy， 你在你的Facebook上发表了一篇介绍这种传统美食的文章。每空一词。

As we all know, Jiaozi is a kind of traditional Chinese food, with a history of around 1,800 years. Do you know how it was invented?

It’s said that jiaozi was invented by the “Medicine Saint” 1. Zhang Zhongjing. He was known for excellent medical skills. One day, Zhang Zhongjing saw some poor people whose ears were frostbitten(冻伤的). To help them treat frostbitten ears, Zhang thought of an 2.. First, he boiled some mutton, pepper and warming medicines in a pot. Then he cut them into pieces and filled small dough wrappers(面团包装) with them. After3., he folded the dough wrappers into the shape of an ear and boiled them in water before giving them to the poor. The food was not only delicious but also good for people’s health, so it became4. among people quickly.

I love the delicious food very much and I hope you can 5. about it through my description.