内容包括：
1）自我介绍；
2）申请理由；
3）随附个人简历(CV)；
注意：词数100左右；
Dear Madam or Sir,
Li Hua
I am writing to apply to summer school. First, allow me to introduce myself. I am a graduate of XXX Senior High School. I have a good knowledge of science and history. My aunt once worked as a visiting professor at y
