Hello! I'm Linda. I have a good e-friend. Her name is Zhang Yun. Her English name is Betty. She is a Chinese girl, but she lives in the UK with her parents. Her father is a doctor and her mother is a teacher. She is ten years old. She call me big sister. She is good at English. She likes Chinese and I also like Chinese. She likes singing and playing basketball. This is my good e-friend. Do you want to know more?

下列条约中，割地、赔款、开放通商口岸三项内容都有的是（      ）
①《南京条约》    ②《辛丑条约》       ③《马关条约》

我国长度最长、水量最大的河流是____，注入____。

____ 地震带。