题目内容：

请听下面一段独白，完成第18至第20小题。音频

1.What is the camp about?

A. Music.    B. Nature.    C. Magic.

2.Who is the camp mainly for?

A. Boys only.    B. Girls only.    C. Children of certain ages.

3.How long will the camp last?

A. 7 days.    B. 14 days.    C. 3 weeks.