A.An hour of jogging at a local park.
B.An hour of fast walking and an hour of running at a local park.
C.Going to a gym for two or three hours' muscle training.
D.Taking part in the road race and the race wall.
A.She won a gold medal in pickle ball at the 2013 National Senior Games.
B.She plays pickle ball and teaches the sport to senior groups.
C.Her fitness result showed that she was just 44 years old.
D.She didn't take sports more seriously until she turned 50.
A.It helps people know the benefits of being fit and healthy.
B.It encourages more people to become competitors.
C.It leads old people to start taking exercise right now.
D.It gives people a reason to take good care of themselves.