gre阅读长难句的实例分析及解释

以下是gre阅读长难句实例分析。gre长难句一直都是考生比较头疼的一个问题，不是因为gre考试专门考察这部分，而是在gre阅读中需要明白这些长难句才能理解整篇文章的意思。

1. Historians such as Le Roy Ladurie have used the documents to extract case histories， which have illuminated the attitudes of different social groups and have revealed how the authorities administered justice. 一类的'史学家利用这些文献史料从中挖掘出某些个案史来，阐明了不同社会群体的态度，并揭示出当局是如何执行审判的。

解释：逗号以后的内容都是修饰逗号以前的case history的。在which引导的非限定性定语从句中有一个插入语，我们可以看到这个插入语中又套了一个插入语but not confined to。

意群训练：Historians such as Le Roy Ladurie have used the documents to extract case histories， which have illuminated the attitudes of different social groups and have revealed how the authorities administered justice.

2. It can be inferred from the passage that a historian who wished to compare crime rates per thousand in a European city in one decade of the fifteenth century with crime rates in another decade of that century would probably be most aided by better information about which of the following?

难句类型：复杂修饰