1. (2021·连云港模拟) 听下面一段独白，回答以下小题。

1. （1） Who are the volunteers probably?

   A . Teachers from middle schools. B . People from all over the country. C . Students from several local high schools.
3. （2） When is the volunteers' next trip to the beach?

   A . This Saturday. B . Next Saturday. C . Next Sunday.
5. （3） What do the volunteers need from other citizens?

   A . Their support. B . A few facts. C . Some films.