难易程度：★★★
题目题材：保健
GRE argument 126题目：
The following appeared in a health magazine.
"It has long been believed that getting at least eight hours of sleep a night is good for health. But a recent six-year study(3) of adult sleeping habits found that people who reported sleeping eight or more hours a night had a higher rate of certain health problems(2) than did those who reported sleeping seven hours a night(1). People who reported sleeping five hours a night also had an increased rate of the health problems, but this increase was slight compared to that for people who reported sleeping eight or more hours a night. Clearly, people(6) should try to get seven hours(4) of sleep, and they should worry more about getting too much sleep than too little(5)."
提纲：
(1)The author fails to consider other possible differences between these groups of people.
(2)For those people who sleep eight or more hours, there is a possibility that it is their health problems that caused them to sleep more hours.
(3)The lasting time of the study is not long enough, thus many problems related to less sleep might not have emerged yet.
(4)The evidence cited by the author could not sufficiently illustrate that seven hours of sleep is the best.
(5)Getting too little sleep might have significant negative effects on health although the increase rate of problems caused by less sleep might be slight.
(6)The author fails to consider that people of different age might need different amount of sleep.
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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