A.Cognitive stimulation.
B.Community activity.
C.Balanced diet.
D.Fresh air.
A.Ignoring the signs and symptoms of aging.
B.Adopting an optimistic attitude towards life.
C.Endeavoring to give up unhealthy lifestyles.
D.Seeking advice from doctors from time to time.
A.automatically
B.beneficial
C.capturing
D.confused
E.emphasizing
F.entrance
G.excited
H.existence
I.incidentally
J.intolerant
K.occupation
L.promises
M.recession
N.slightly
O.undertakes