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"Humans should not try to avoid stress any more than they would shun food, love or exercise." said Dr. Hans Selye, the first phy
"Humans should not try to avoid stress any more than they would shun food, love or exercise." said Dr. Hans Selye, the first phy
admin
2014-03-15
66
问题
"Humans should not try to avoid stress any more than they would shun food, love or exercise." said Dr. Hans Selye, the first physician to document the effects of stress on the body. While here’s no question that continuous stress is harmful, several studies suggest that challenging situations in which you’re able to rise to the occasion can be good for you.
In a 2001 study of 158 hospital nurses, those who faced considerable work demands but coped with the challenge were more likely to say they were in good health than those who felt they couldn’t get the job done.
Stress that you can manage may also boost immune(免疫的)function. In a study at the Academic Center for Dentistry in Amsterdam, researchers put volunteers through two stressful experiences. In the first, a timed task that required memorizing a list followed by a short test, subjects believed they had control over the outcome. In the second, they weren’t in control: They had to sit through a gory(血淋淋的)video on surgical procedures. Those who did go on the memory test had an increase in levels of immunoglobulin(免疫球蛋白)A, an antibody that’s the body’s first line of defense against germs. The video-watchers experienced a downturn in the antibody.
Stress prompts the body to produce certain stress hormones. In short bursts these hormones have a positive effect, including improved memory function. "They can help nerve cells handle information and put it into storage," says Dr. Bruce McEwen of Rockefeller University in New York. But in the long run these hormones can have a harmful effect on the body and brain.
"Sustained stress is not good for you," says Richard Morimoto, a researcher at Northwestern University in Illinois studying the effects of stress on longevity (长寿),"It’s the occasional burst of stress or brief exposure to stress that could be protective. "(325w)
Which of the following is Dr. Bruce McEwen inclined to emphasize by saying "But in the long run these hormones can have a harmful effect on the body and brain"?
选项
A、a person’s memory is determined by the level of hormones in his body.
B、stress hormones have lasting positive effects on the brain.
C、short bursts of stress hormones enhance memory function.
D、a person’s memory improves with continued experience of stress.
答案
C
解析
本段是说在压力产生的瞬间,体内分泌的hormones,荷尔蒙,即激素,会产生积极的效果,包括improve memory function,也就是说能够enhance memory function。引用 Dr.Bruce McEwen的话,是为了支持并进一步解释本段的论点,显然他对此是赞同的。故本题属含义推断题。
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在职申硕(同等学力)英语
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