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  3. American presidents seem to age before our eyes. But the common belief that high-office stress grays our leaders faster than usu

American presidents seem to age before our eyes. But the common belief that high-office stress grays our leaders faster than usu

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问题     American presidents seem to age before our eyes. But the common belief that high-office stress grays our leaders faster than usual — may be a myth, new research finds. In fact, the majority of American presidents have lived longer than【C1】______men of their times.
    That’s not to say that【C2】______stress has no effect on a person’s lifespan, but so does high social standing.The findings add to a body of research linking high status to better health: for instance, Oscar winners live longer than those who were only【C3】______; and the longevity (长寿) effect is also seen in Nobel Prize winners.
    The new study, which was published in the Journal of the American Medical Association, analyzed the dates of birth,【C4】______and death of all 34 past presidents who died of natural causes. The average【C5】______for these men should have been 68 years, if they’d aged twice as fast during their years in office as the popular wisdom suggests they do.
    Instead, the study found, these presidents lived an【C6】______73 years. And indeed, 23 of the 34 presidents who died of natural causes lived longer than【C7】______, compared with other men their age during their lifetimes.
    Some presidents survived an【C8】______long time: Gerald Ford died at 93.5 years, Ronald Reagan at 93.3. All currently living presidents have already exceeded their life【C9】______ , or are likely to do so.
    So why do people at the top of the 【C10】______fare better than those below? Access to wealth, education and the best health care of their times would seem to be obvious factors.
A) average I) inauguration
B) chronic J) lifespan
C) empirically K) maximum
D) exceptionally L) nominated
E) expectancy M) reign
F) expected N) similar
G) formulated O) typical
H) hierarchy
【C5】
选项
答案J
解析 空前的The average,及空后的for提示，本空应填入名词。本句意为，这些人的平均……应该是68岁。备选的名词中只有J) lifespan(寿命)符合句意。E)expectancy通常与life连用，表示“平均寿命”。
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