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  3. "Humans should not to try to avoid stress any more than they would shun food

"Humans should not to try to avoid stress any more than they would shun food

游客2024-03-01  67
问题     "Humans should not to 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 is the 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 stress that you can manage 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; in the second, subjects through a gory (血淋淋的)video on surgical procedures. Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody that is 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 busts these hormones have a positive effect, including improved memory function. "They can help nerve cells handle information and put it into shortage," 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, "It is the occasional burst of stress or brief exposure to stress that could be protective."  [br] In the experiment described in Paragraph 2, the video-watchers experienced downturn in the antibody because ______.
选项 A、the video was not enjoyable at all
B、the outcome was beyond their control
C、the knew little about surgical procedures
D、they felt no pressure while watching the video
答案 B
解析 实验还是用来说明观点的。在两个有压力的情况里，在规定时间背诵东西足可以控制的(manage)，而观看录像里血淋淋的手术镜头是实验对象不能控制的，因此，第二种stress对其不利。
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