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托福阅读中的句法结构怎么弄懂呢？留学群托福栏目小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的如何梳理托福阅读句法结构的相关资讯，欢迎参考!
如何梳理托福阅读句法结构
句法结构的基本要求是能够划分句子结构。首先要找出句子主干，其次要分清逻辑关系，不要纠结翻译句子。
例句分析：
1.The amount of air exchange is even lower in REM than NREM because, although breathing is more rapid in REM, it is also more irregular, with brief episodes of shallow breathing or absence of breathing.
解析：
“The amount of …than NREM”为句子主干，“because…”为原因状语从句，“It is also more…”为句子主要表达的意思，是比较重要的内容。
2.The frequency with which certain simple motifs appear in these oldest sites has led rock-art researchers to adopt a descriptive term—the Panaramitee style—a lable which takes its name from the extensive rock pavements at Panaramitee North in desert South Australia, which are covered with motifs pecked into the surface.
解析：
“The frequency”为主语，“which”句子连接词意味着从句，“has led rock-art…”修饰term. “which takes its…”这个句子修饰Label.
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