15.
A. It eases anxiety.
B. It boosts immunity.
C. It strengthens the brain.
D. It brings on better sleep.
14.
A. Exercise can lessen the memory in older adults.
B. Exercise may decrease the brain function of younger people.
C. Exercise improves executive function.
D. Exercise increases the memory in older adults.
Part 4 News Report (No. 13—No. 15)浏览器不支持音频13.
A. Exercise can change the chemistry of the brain with the release of GABA.
B. Exercise can make people have a low reaction to all situations.
C. It is important to run every day to ease anxiety.
D. Exercise can help excite the brain.
12.
A. Talking to someone over the phone.
B. Drinking some diet coke.
C. Playing a video game with friends.
Drinking extra tea.
11.
A. Problems with one of the teachers.
B. Problems with a part-time job.
C. Problems with school work.
D. Problems with family members or friends.
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