难易程度：★★★
题目题材：保健
gre argument 113题目：
The following was published by a consumer protection agency.
"Three years ago, So-Low launched a nationwide ad campaign, focusing heavily on sunny regions and distributing free sunglasses there. But although So-Low sunglasses cost less than higher-priced brands, they block a smaller proportion of the Sun's rays, including the type of rays known to damage the eyes even when the person wearing the sunglasses feels no discomfort. A recent study suggests that So-Low sunglasses can actually increase the risk of damage to people's eyes(2) by creating a false sense of security. The study shows a sharp increase in the incidence of vision problems(1) in the sunny regions(3) over the past three years. These findings suggest that anyone concerned about eye damage from the Sun should avoid So-Low brand and instead either pay for higher-priced brands(4) or wear no sunglasses at all(5)."
提纲：
(1)We need to know detailed information about the vision problems emerged these years to evaluate if they are related to sunglasses.
(2)Granted that these problems are related to sunglasses, we cannot make the hasty inference that it is So-Low that caused them.
(3)The study conducted at the sunny regions may not be representative of all other regions, So-Low could still be suitable for people in other regions.
(4)The author unfairly assumes that the problems caused by So-Low will not take place on higher-priced brands.
(5)The argument ignores other effective solutions besides those proposed by the author.
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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