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Passage Two
29.
A. Because of their hobbies and pastimes.
B. Because of their enthusiasm for sports.
C. Because of their fear of heart attacks.
D. Because of their strong desire for good health.
30.
A. More running clubs and more books about running appear.
B. Interest in improving the fitness of human body is dropping.
C. The number of heart-attack patients is decreasing.
D. More people begin to take active jobs.
31.
A. Those who have heart attacks.
B. Those who desire to lose weight.
C. Those who have spare time.
D. Those who have inactive jobs.
