判断下列句子所运用的说明方法。

不错，科学家提出了许多设想，例如，在火星或者月球上建造移民基地。____

根据短文内容，判断正确还是错误。

       My name is Li Hong. I'm 16 years old. I have a lovely brother. His name is Li Qiang. He was short and thin two years ago. He was 1.58 m. He was 48 kg. He was a primary school student. He often watched TV and played games. He didn't like playing football. Now he is handsome. He is 14 years old. He is a junior high school student. He is 1.65m. He is 56kg. He is tall and fat. He is very strong, too. Sometimes he watches TV in the evening. He doesn't play games. He plays football and rides a bike every day.