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Passage Two
29.
A. They affect one's way of looking at the world.
B. They make people feel lonely and unwanted.
C. They affect one's health condition.
D. They are addictive and hard to change.
30.
A. To talk with someone or with oneself.
B. To have a long and good relaxation.
C. To do more aerobic exercises.
D. To take more anti-anxiety drugs.
31.
A. Because it gives people a sense of achievement.
B. Because most people like doing it every day.
C. Because it is neither biochemical nor poisonous.
D. Because it increases the heart rate and circulation.
