题目内容：

听下面一段独白，回答以下小题。

1.What is the speaker mainly talking about?

A.An exercise activity. B.A dance party. C.A competition.

2.Who started the dance routine?

A.A student. B.The principal. C.A staff member.

3.What modern problems could the dances help fight according to the talk?

A.Weight problems. B.Learning problems. C.Discipline problems.