难易程度：★★★
题目题材：保健
gre argument 162题目：
A recent study shows that people living on the continent of North America suffer 9 times more chronic fatigue and 31 times(2) more chronic depression(1) than do people living on the continent of Asia. Interestingly, Asians, on average, eat 20 grams of soy per day(3), whereas North Americans eat virtually none. It turns out that soy contains phytochemicals called isoflavones(4), which have been found to possess disease-preventing properties. Thus, North Americans should consider eating soy on a regular basis as a way of preventing fatigue and depression(5,6).
提纲：
(1)The definition of fatigue and depression may be different in North America and in Asia.
(2)The rate of incidence of fatigue and depression may not reflect the actual health status of each group of people, many other factors could explain the differences between the rates.
(3)The author unfairly attributes the lower incidence of these problems in Asians to eating soy regularly.
(4)Even if eating soy is effective on preventing these problems, we cannot hastily assume that it is the isofalvones contained in soy that result in the effectiveness.
(5)Granted that eating soy do benefit Asians on their health, no evidence could ensure the same good effect will also occur among North Americans through eating soy.
(6)Eating soy may not be the only means of obtaining the substance, the author ignores many other solution to solve the problem.
注：题目中括号里的数字表明这句话体现的是提纲中第几号缺陷。
无论是gre issue还是gre argument，考生都应该养成写提纲的习惯。这种提纲式的gre写作练习可以帮助考生锻炼写作的逻辑性，而gre写作高分最重要的得分依据就是作文的逻辑性要强。希望大家都能写出好作文。
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