新视野大学英语读写教程听力 第三册 te-unit02-c

[-1:-8.00]who studied 301 men and women aged 70 and older
[-1:-9.00]with at least one risk factor for falling,
[-1:10.00]such as muscle weakness or use of certain medicines.
[-1:11.00]To reduce these seniors' risk of falling,
[-1:12.00]Tinetti used multiple methoods,
[-1:13.00]including having an exercise teacher go to a person's home
[-1:14.00]and teach balance exercise.
[-1:15.00]"The teacher wasn't necessarily there with them every time
[-1:16.00]they did the exercise," Tinetti notes.