【答案解析】[听力原文]
At the end of the workday, do your hands, arms, or back ever ache? This can be a warning sign of serious problems caused by incorrect posture or hand position while working at a desk, or by the improper arrangement of office equipment or furniture.
This Friday at 11, Diana Hartwick will discuss these matters at a seminar for all interested office workers and will explain simple ways to avoid fatigue and pain in the office. Ms. Hartwick is a pbysical therapist who has specialized in ergonomics—the stud of the relationship between workers and their environment
. All office staff should make every effort to attend this seminar.