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 on 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 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 through a gory video on surgical procedures. Those who did well on the memory test had an increase in levels of immunoglobulin 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 . 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 , It s the occasional burst of stress or brief exposure to stress that could be protective.
21. The passage is mainly about______
A) how to avoid stressful
B) how to cope with stress effectively
C) the benefits of manageable tress
D) the effect of stress harmonies on memory
22. The word shun most probably means________.
A) cut down on
B) stay away from
C) run out of
D) put up with
23.We can conclude from the study of the 158 nurses in 2001 that_______
A) people who can t get their job done experience more stress
B) doing challenging work may be good for one s health
C) stress will weaken the body s defense against germs
D) people under stress tend to have a poor memory
24.In the experiment described in Paragraph 3,the video-watchers experienced a downturn in the antibody because______.
A) the outcome was beyond their control
B) they knew little about surgical procedures
C) they felt no pressure while watching the video
D) the video was not enjoyable at all
25.Dr. Bruce McEwen of Rockefeller University believes that______.
A) a person s memory is determined by the level of hormones in his body
B) a person s memory improves with continued experience of stress.
C) stress hormones have lasting positive effects on the brain
D) short bursts of stress hormones enhance
答案与解析:
D D A B C
中考英语完形填空:美利坚合众国由来
2014中考英语真题考点分类复习:单项选择
2014年中考英语词组辨析:very/ right/ ju
中考英语完型填空复习:关于一个聪明的小男孩的故事
福州中考英语出现频率高的知识点总结
中考英语非谓语动词单选练习题(61-70)
2014中考英语试题分类训练:电脑给人类带来的担忧
20篇文章,搞定中考词汇之说慌比赛
中考英语非谓语动词单选练习题(71-80)
中考英语完形填空:课堂幽默一则
中考英语词组辨析:work at/work on/work out
2014中考英语真题考点分类复习:动词时态
20篇文章搞定中考词汇:萨姆与托德
2014中考英语高频词汇考点分析
中考英语非谓语动词单选练习题(81-90)
中考英语完形填空:一场被误盯梢引起的误会
2014中考英语试题分类训练:过度忧虑
20篇文章,搞定中考词汇之我儿子的问题
中考英语非谓语动词单选练习题(31-40)
中考英语词组辨析:treat/heal
中考英语词组辨析:used to do sth/be used to doing sth
中考英语完形填空:学语言需循序渐进
中考英语完形填空:授人以鱼,不如授人以渔
2014中考英语完形填空:电脑给人类带来的担忧
中考英语非谓语动词单选练习题(51-60)
中考英语完型填空复习:防检查员彼得的故事
2014中考英语真题专项练习:名词(40)
2014中考英语真题专项练习:连词(41)
中考英语非谓语动词单选练习(11-20)
20篇文章,搞定中考词汇之简回家太晚
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |