26.
A. Don’t stop using your arms and legs.
B. How to have a good memory.
C. Strong arms and good memory.
D. Learn from the people who are strong.
Questions 27 to 29 are based on the passages you have just heard.27.
A. Those who are under 20.
B. Those who are old.
C. Those who are seriously ill.
D. Those who sit most of the day.
28.
A. 10 minutes.
B. 15-20 minutes.
C. 30 minutes.
D. 35-40 minutes.
29.
A. Taking short exercise periods.
B. Going to see the doctor before doing exercise.
C. Doing exercise in the morning.
Doing exercise four or five times a week.
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