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A daily dose of laugher may be good for the heart because it makes blood ves
A daily dose of laugher may be good for the heart because it makes blood ves
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2025-03-08
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问题
A daily dose of laugher may be good for the heart because it makes blood vessels work more efficiently. Depression,【C1】______the other hand,can raise the risk of dying from heart failure,a separate study found. The two studies,【C2】______at a meeting of the American College of Cardiology in Florida, show how psychological factors can【C3】______a person’s health.
" We don’t recommend that you laugh and not exercise,【C4】______we do recommend that you try to laugh on regular basis. Thirty minutes of exercise three times a week and fifteen minutes of laugher on a daily【C5】______is probably good for the vascular(脉管)system,"said Doctor Michael Miller.
Miller and his colleagues at the school【C6】______ two movies, one humorous,【C7】______stressful, to twenty healthy volunteers and tested the function of their blood vessels. The researchers specifically looked at the lining of the vessels and found that blood【C8】______ was reduced in fourteen of the twenty volunteers after stressful movie cuttings. But blood flowed more freely in nineteen of the twenty volunteers【C9】______ they laugh at fun movie segments. Average blood flow increased 22% during laughter,and【C10】______ 35% during mental stress,the researchers told the meeting. [br] 【C10】
选项
A、lowed
B、decreased
C、lessened
D、lowered
答案
B
解析
根据上下文,人在发笑时血流量增加,而在紧张时血流量减少,因此选increase的反义decrease,故选B。
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