1. (2022高二下·长沙期中) 听录音，回答问题。

1. （1） Where are the speakers?

   A . At a radio station. B . On a TV show. C . In the open air.
3. （2） How many kinds of trees are there in one square kilometer?

   A . About 750. B . About 1,500. C . About 400.
5. （3） What is the woman most probably?

   A . A reporter. B . A student. C . A scientist.