1 . 听下面一段独白，回答以下小题。
1. What does the speaker do?

A．A medical doctor.

B．A fitness instructor.

C．A swimming coach.

2. What is the common mistake people make in workouts?

A．Focusing on only muscle training.

B．Doing too many types of workouts.

C．Keeping the same routine all the time.

3. How often does the speaker suggest people do hard workouts?

A．Once a week.

B．Twice a week.

C．Three times a week.