阅读短文，判断正误。

My name is Song Yang. I'm a student. I live in Beijing. Now，I'm writing a letter to my cousin. Her name is Song Rui. She is ten years old. She lives in Shijiazhuang. I miss her very much. I write on paper. At the top of the letter，I write the day. It's Thursday，March 23. I write my name at the bottom of the letter. I put my letter in an envelope（信封）. Then I write her name and address on the envelope.