1. (2023·浙江) 听下面一段独白，回答以下小题。

1. （1） What does the speaker probably do?

   A . She's a medical doctor. B . She's a fitness instructor. C . She's a swimming coach.
3. （2） What is a common workout mistake?

   A . Focusing only on building muscles. B . Taking too many types of exercises. C . Doing the same routine all the time.
5. （3） How often does the speaker suggest people do hard workouts?

   A . Once a week. B . Twice a week. C . Three times a week.