People who didn’t exercise but had active lifestyles appeared to be at a somewhat higher risk of developing _____(60) walking and climbing stairs, relative to people who exercised _____(61). Still, leading an active lifestyle appeared to protect people _____(62) problems better than being generally inactive, the researchers report in the Journal of the American Geriatrics (老年医学) Society.
Among people who were inactive, _____(63) who walked even a little bit such as brisk (轻快的) walking for a little over an hour per week - were at a lower _____(64) of mobility (可动性) problems.
"If you do not like to exercise or you cannot exercise _____(65) of serious health problems or functional limitations, do try to be as active as possible, " Visser advised.
51 A young B new C still D active
52 A than B so C as D to
53 A suffer B benefit C result D start
54 A looking B appearing C seeming D staying
55 A children B people C women D youths
56 A mountains B stairs C trees D walls
57 A jumping B walking C running D jogging
58 A percent B numbers C hundreds D dozens