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One theory holds that the Chaco structures were purely residential, with each housing hundreds of people. Supporters of this theory have interpreted Chaco great houses as earlier versions of the architecture seen in more recent Southwest societies. In particular, the Chaco houses appear strikingly similar to the large, well-known “apartment buildings” at Taos, New Mexico, in which many people have been living for centuries. 　　一般来说，考古类文章会在每个主体段第一句话开门见山表述观点，后面展开论证理由，长度一般是3~5句话。同学们一般都可以找到分论点关键词，也就是第一句话当中标下划线的部分residential with each housing hundreds of people。但是无法快速找出论证的关键理由。这里有一个小技巧，同学们要学会略读，也就是直接找关键词。考古类文章的阅读一般通过“相似性”进行类比作为论证理由，因此，找到表示相似性表述的句子就可以概括出分论点的支撑理由，这个段落中含有similar的那句话就是关键信息。此外，同学们要对这些同义词多加关注：similar≈same≈identical≈analogous≈like≈resemble，因为这些词经常会出现在考古类文章的论证部分，而且考试时出现的概率会很大。