A.the promotion of aerobic exercise
B.endurance and muscular development
C.the improvement of women's figures
D.better performance in aerobic dancing
A.Positive
B.Indifferent
C.Negative
D.Cautious
A.how well they could do in athletics
B.what their health condition was like
C.what kind of fitness center was suitable for them
D.whether they were fit for aerobic exercise
A.has become an essential part of people's life
B.may well affect the health of the trainees
C.will attract more people in the days to come
D.contributes to health improvement as well