Which of the following most logically completes the argument??
When people engage in activities that help others ,their brain releases endorphins,
the brain’s natural opiates, which induce in people a feeling of well-being. It has
been suggested that regular release of endorphins increases people’s longevity.
And a statistic on adults who regularly engage in volunteer work helping others
shows that they live longer, on average, than adults who do not volunteer. How-
ever, that statistic would be what we would expect even if volunteering does not
boost longevity, because .
A. in the communities studied, women were much more likely to do regular
volunteer work than men were, and women tend to live longer than men do.
B. the number of young adults who do regular volunteer work is on the increase
C. the feelings of well-being induced by endorphins can, at least for a time, mask
the symptoms of various conditions and diseases, provided the symptoms are
mild.
D. it is rare for a person to keep up a regular schedule of volunteer work through-
out his or her life.
E. Some people find that keeping a commitment to do regular volunteer work
becomes a source of stress in their lives.
做这道题目的时候，在B,C之间犹豫了很久，结果选了B，答案是C
问题是问，即使volunteering不使人长寿，这个调查数据还是能得出参加volunteering的人shows长寿
我选B的思路是，因为参加的年轻人少了，参加的都是活得长的，本来就长寿。
C的思路是：参加之后有假象，可以掩盖疾病，看起来长寿。
是不是因为这里文章中说了shows，所以答案才选C?
请NN指点。
MM呀，B是标准的提及于原文无关的东西-Young，而C直接提及可以disguise然后导致Longevity，即使是赌也一定赌C呀，呵呵，对不
随便建议你看看GWD关于Gmat考试的一个意见，他说考的不是你的推理，而是迅速从选项中看出哪个是跟题目有关的，那些是根本瞎扯的。
我觉得他说得这个很对你的“症结”（我也很臭的，提高中...）
MM呀，B是标准的提及于原文无关的东西-Young，而C直接提及可以disguise然后导致Longevity，即使是赌也一定赌C呀，呵呵，对不
其实我不是很同意你对有关无关的理解，比如这道题目：
Which of the following most logically completes the passage?
Concerned about financial well-being of its elderly citizens, the government of Runagia
decided two years ago to increase by 20 percent the government-provided pension
paid to all Runagians over 65. Inflation in the intervening period has been negligible,
and the increase has been duly received by all eligible Runagians. Nevertheless,
many of them are no better off financially than they were before the increase, in large
part because ________.
A. They rely entirely on the government pension for their income
B. Runagian banks are so inefficient that it can take up to three weeks to cash a pension check
C. They buy goods whose prices tend to rise especially fast in times of inflation
D. The pension was increased when the number of elderly Runagians below the poverty level reached an all-time high
E. In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living
E中的children看似无关，实际是有关的。
我觉得这道题目B选项的有关无关和这里类似。
看了这个帖子我觉得楼主误解了2楼的意思,并且举的例子是没有说服力的,the number of young adults who do regular volunteer work is on the increase,你的"因为参加的年轻人少了，参加的都是活得长的，本来就长寿。"我不明白你的意思,但是有一点是可以确定的就是:年轻人和寿命这东西是无关的,(年轻人是人,寿命是活的长不长),死亡才能和寿命有关!In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living,你举的例子是gmat中常见的,就是说一个东西,看似原文没提,但是 typically supplement the income of elderly parents是叫"桥"是他把孩子和原文联系了起来.3楼看了有戏,你得到了逻辑的真传.我不知道大家记得不记得,有个老题,讲的是什么蒙古的牛吃草产奶的逻辑,选项说苏联的牛(无关)但是,人家联系来了,和蒙古的牛的什么什么条件一致,有桥了,就可以了,呵呵,这就是gmat逻辑,着就是gmat
Which of the following most logically completes the argument??
When people engage in activities that help others ,their brain releases endorphins,
the brain’s natural opiates, which induce in people a feeling of well-being. It has
been suggested that regular release of endorphins increases people’s longevity.
And a statistic on adults who regularly engage in volunteer work helping others
shows that they live longer, on average, than adults who do not volunteer. How-
ever, that statistic would be what we would expect even if volunteering does not
boost longevity, because .
A. in the communities studied, women were much more likely to do regular
volunteer work than men were, and women tend to live longer than men do.
B. the number of young adults who do regular volunteer work is on the increase
C. the feelings of well-being induced by endorphins can, at least for a time, mask
the symptoms of various conditions and diseases, provided the symptoms are
mild.
D. it is rare for a person to keep up a regular schedule of volunteer work through-
out his or her life.
E. Some people find that keeping a commitment to do regular volunteer work
becomes a source of stress in their lives.
做这道题目的时候，在B,C之间犹豫了很久，结果选了B，答案是C
问题是问，即使volunteering不使人长寿，这个调查数据还是能得出参加volunteering的人shows长寿
我选B的思路是，因为参加的年轻人少了，参加的都是活得长的，本来就长寿。
C的思路是：参加之后有假象，可以掩盖疾病，看起来长寿。
是不是因为这里文章中说了shows，所以答案才选C?
请NN指点。
我认为答案是a。因为参加volunteer女性高于男性，而且女性比男性寿命长，所以参加volunteer人群的平均寿命长于一般人群平均寿命。
请注意However, that statistic would be what we would expect even if volunteering does not boost longevity的意思是：即使volunteering 不能延长寿命，调查结果依然会象我们预期的那样。换言之，即使volunteering 不能延长寿命，调查结果依然是参加volunteer者的平均寿命长于一般人群的平均寿命。
望探讨！
清楚地记得新东方老师上课讲过这道题，答案是A!
请注意However, that statistic would be what we would expect even if volunteering does not boost longevity的意思是：即使volunteering 不能延长寿命，调查结果依然会象我们预期的那样。换言之，即使volunteering 不能延长寿命，调查结果依然是参加volunteer者的平均寿命长于一般人群的平均寿命。
汗。。。如果没有这个数据，结果和预期一样，指的是It has been suggested that regular release of endorphins increases people’s longevity.
C is correct
我还是觉得是C
我觉得大家争论的关键其实就是那个有点模糊的because
However, that statistic would be what we would expect even if volunteering does not boost longevity, because 选C可以解释为 beacuse 以后解释的是volunteering does not boost longevity
.
boost longevity, because
.
选C可以解释为 beacuse 以后解释的是volunteering does not boost longevity
就算because解释的是statistic would be what we would expect
a或者b的解释也是有失偏颇的。无论是男女对比，还是老少对比，都改变了原体中的人群范围
我也觉得是C，首先C很好的联系了原文的a feelling of well-being,其次，A中，就算女人比男人活的长，你也不知道volunteer的组合呀，万一在group里面男的比女的多怎么办，最后，新东方的老师也不一定对
Yes, the correct answer should be A. It follows that even if the volunteering does not BOOST the longevity, those who lives longer do the volunteering work more than others who lives shorter. It retains the conclusion but weaks the conditions supporting that conclusion.
The original reasoning: volunteering work --> live longer, now the conclusion weakens to: not make live longer but those who live longer engage in the volunteering work.
I support for A
even if the endorphins can disguise some symptoms, but the life logitivity will not be changed. So it could not explain the conclusion in the question. it is irrelavent
I support for A
even if the endorphins can disguise some symptoms, but the life logitivity will not be changed. So it could not explain the conclusion in the question. it is irrelavent
When people engage in activities that help others ,their brain releases endorphins,
the brain’s natural opiates, which induce in people a feeling of well-being. （背景信息）It has
been suggested that regular release of endorphins increases people’s longevity.（注意suggested暗示，并未被证实）
And a statistic on adults who regularly engage in volunteer work helping others
shows that they live longer, on average, than adults who do not volunteer. How-
ever, that statistic would be what we would expect （even if volunteering does not
boost longevity条件状语）, because
.（because应该解释主句，即that statistic would be what we would expect ）
what we would expect = adults who regularly engage in volunteer work helping others shows that they live longer, on average, than adults who do not volunteer
以前我一直支持C，但是现在又分析一次，文章要求解释的是statistic（做志愿者的人平均比不做志愿者的人要长）
A：给了另外一个原因，为什么志愿者比不做志愿者的人活的长，因为做志愿者的多为女性，女性活的长，所以on average做志愿者的人平均比不做志愿者的人要长
C： the feelings of well-being induced by endorphins can, at least for a time, mask the symptoms of various conditions and diseases, provided the symptoms are mild.
问题1：mask。掩饰能延长人的生命吗？
问题2：provided the symptoms are mild.这样一个范围是否有人为增加之嫌？这样的症状不明显的人的比率是否足够大能使得平均数有变化呢？
对于C还是有问题的。
现在看来A更加的贴合答案。现在开始同意lawyer的观点了
Yes, the correct answer should be A. It follows that even if the volunteering does not BOOST the longevity, those who lives longer do the volunteering work more than others who lives shorter. It retains the conclusion but weaks the conditions supporting that conclusion.
The original reasoning: volunteering work --> live longer, now the conclusion weakens to: not make live longer but those who live longer engage in the volunteering work.
同意这个解释.
把A换个顺序看，会清楚很多:
in the communities studied,women tend to live longer than men do,and women were much more likely to do regular volunteer work than men were.
“It has been suggested that regular release of endorphins increases people’s longevity.
And a statistic on adults who regularly engage in volunteer work helping others
shows that they live longer,”
One of advantages for helping others--- endorphins increases people’s longevity
However, that statistic would be what we would expect even if volunteering does not
boost longevity, because .
“However” take another perspective.
“would be what we would expect even if” Which means beside the point, … Think out side of the box???
What if the optimism emotion gaining from helping others can have positive impact on the ailment of the volunteer, thus allow him recover sooner and be healthier and live longer. This comes from different perspective---emotional health---other than physical benefit and thus best complete the passage.
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