Square dancing（广场舞）is very popular in China，from north to south，from the old to the young. Many people dance in the parks or anywhere available. Some think it's good，but some dislike it.【小题1】 Different people have different ideas.

Old people like square dancing【小题2】 Second，some of the old people don't live with their children. They have no other people to talk with. Every night they go out to dance，it seems that they join another big family. There are many people there. And the most important is that they have a lot in common.【小题3】So they enjoy dancing with music.

However，some people don't like square dancing. Because it's too noisy.【小题4】 The activity has led to（导致）noise pollution. For this reason，many people around the place can't sleep well. The square dancers just do what they like to do and don't care about others.【小题5】The dancers should find other ways to exercise.