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前段时间为gre考生汇总了gre issue写作提纲思路和分析，希望对考生在攻破gre issue写作上有所帮助。接下来的几天我们将为gre考生整理gre argument部分的提纲内容。希望通过我们的整理和汇总，让gre考生真正能掌握gre写作的精髓。 题目题材：医疗保健 gre argument 105题目： The following appeared in a health newsletter. According to a recent study, people with many social ties report catching colds less often than do people with few social ties. Consequently, researchers conclude that having an active social life probably helps strengthen the immune system. The researchers note that catching a coldone of a family of highly contagious virusesgives the cold-sufferer temporary immunity to that virus in the future, but not to the many other related viruses. Merely being exposed to a new cold virus, however, is not enough for a person to catch a cold, since a strong immune system can successfully fight off some new viruses. Thus, in order to prevent catching a cold, people should strengthen their immune systems by becoming more active socially. 提纲： The author fails to establish a causal relationship between having many social ties and lower frequency of catching cold. The author fails to rule out the possibility that some people avoid social activities just because they are more likely to catch colds. | 
