Gre写作是美国所有作文考试中时刻最长而质量要求最高的一类作文考试，而在短期内提高gre写作能力不是一天两天可以完成额，所以我们在备考2011新gre写作时必然要对问题问题深切的剖析，体味以下优异范文的文章结构，以提高新gre写作的整体分数。
"There is now evidence that the relaxed manner of living in small towns promotes better health
and greater longevity than does the hectic pace of life in big cities. Businesses in the small
town of Leeville report fewer days of sick leave taken by individual workers than do businesses
in the nearby large city of Mason City. Furthermore, Leeville has only one physician for its one
thousand residents, but in Mason City the proportion of physicians to residents is five times as
high. And the average age of Leeville residents is significantly higher than that of Mason City
residents. These findings suggest that people seeking longer and healthier lives should
consider moving to small communities."
This newspaper story concludes that living in a small town promotes health and longevity.
The story's author bases this conclusion on a comparison between the small town of LeeviUe
and nearby Mason City, a much larger town. However, careful scrutiny of the author's evidence
reveals that it lends no credible support to the author's conclusion.
A threshold problem with the argument is that the author draws a general conclusion about
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the effect of a town's size on the health and longevity of its residents based only on
characteristics of two towns. The author provides no evidence that these two towns (or their
residents) are representative of other towns their size. In other words, this limited sample
simply does not warrant any general conclusions about the effect of a town's size on the health
and longevity of its residents.
Next, the author cites the fact that the incidence of sick leave in Leeville is less than in
Mason City. This evidence would lend support to the argument only if the portion of local
residents employed by local businesses were nearly the same in both towns, and only if the
portion of employees who are local residents were nearly the same in both towns. Moreover, in
relying on this evidence the author assumes that the portion of sick employees who actually
take sick leave is nearly the same in both towns. In short, without showing that the two towns
are similar in these ways, the author cannot draw any reliable comparisons about the overall
health of the towns' residents--or about the impact of town size on health.
The author also cites the fact that Mason City has five times as many physicians per
resident than Leeville. However, any number of factors besides the health of the towns'
residents might explain this disparity. For example, perhaps Leeville residents choose to travel
to Mason City for physician visits. Without ruling out such explanations, these
physician-resident ratios prove nothing about the comparative health of LeeviUe and Mason
City residents---or about the impact of town size on health.
Finally, the author cites the fact that the average age of Leeville residents is higher than that
of Mason City residents. However, any number of factors might explain this disparity. For
example, perhaps Leeville is a retirement community, while Mason City attracts younger
working people. For that matter, perhaps LeeviUe is comprised mainly of former Mason City
residents whose longevity is attributable chiefly to their former life-style in Mason City. In any
event, the author cannot justify the conclusion that this disparity in average age is due to the
difference in size between the two towns.
In conclusion, the argument that small-town living promotes good health and longevity is
unpersuasive as it stands. To strengthen the argument the author must provide clear evidence
that the overall population of Leeville, not just employees in LeeviUe, is healthier than that of
Mason City. The author must also provide strong evidence that Leeville and Mason City
residents visit local physicians whenever they become sick. Finally, to better evaluate the
argument we would need more information about why the average age of Leeville residents
exceeds that of Mason City residents.
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