1. (2023高二下·贵州月考) 听材料，回答问题。

1. （1） How does the man feel now?

   A . Tired. B . Worried. C . Confused.
3. （2） What does the woman ask the man to do?

   A . Look at his exam paper. B . Read the textbook himself. C . Study the plant unit with her.
5. （3） What is the probable relationship between the speakers?

   A . Classmates. B . Mother and son. C . Teacher and student