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。

　　难易程度：★★★★★

　　题目题材：自然环境、考古

　　gre argument 78题目：

　　The following appeared in a letter to the editor of an archaeological magazine.

　　"Archaeologists excavated a cave that had been inhabited by prehistoric people for thousands of years. These people hunted wild animals, many of whose bones(1) were found at levels corresponding to different times of habitation. Most of the bones at the oldest levels, over 40,000 years old, were from a deer species whose modern-day descendants are known to prer woodland habitats, whereas most of the bones at more recent levels, dating from 30,000 to 10,000 years ago, were from a gazelle species whose modern-day descendants(2) are known to prer grasslands(3). We can thus conclude that the climate of the area changed dramatically between 40,000 and 30,000 years ago(4), causing the terrain to change from woodland to grassland."

　　提纲：

　　(1)The author fails to rule out the possibility that the animals whose bones were found here in the cave were hunted or brought here from other sites.

　　(2)The author unfairly assumes that the ancient deer and gazelle species share the same habitats with their present descendants.

　　(3)Certain species of animal may live in various terrain, they do not necessarily all prer one kind of natural environment.

　　(4)Factors other than climate changes could also lead to the changes of terrain in this area.

　　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。

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