What did the researchers recently find out about mice and rats in an experiment?
A. Exercising mice and rats liked to learn new skills.
B. Exercising mice and rats remembered new skills better.
C. Mice and rats without exercise disliked learning new skills.
D. Mice and rats without exercise remembered new skills better.
What happened in a similar experiment with people?
A. Half of the people exercised while the other half didn’t exercise.
B. Half of the people learnt something while the other half didn’t learn.
C. Half of the people exercised for four hours after they learnt something.
D. Half of the people began exercising immediately after learning something.
Based on the results of the experiment with people, whose memory is better?
A. Those who wait to exercise four hours later.
B. Those who exercise right after they learn.
C. Those who wait to exercise late at night.
D. Those who exercise for four hours.
What do the researchers hope future research will discover?
A. How much we should sleep.
B. How much we should study.
C. When we should exercise.
D. When we should study.
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