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　　下面小编跟大家一起了解雅思阅读经典长难句解析，希望对大家的学习有所帮助。
　　1. Since the aim of archaeology is the understanding of humankind, it is a humanistic study, and since it deals with the human past, it is a historical discipline. (剑4, test4 passage 2)
　　分析：本句为并列句，由and连接，句子“Since the aim of archaeology is the understanding of humankind, it is a humanistic study”和句子“since it deals with the human past, it is a historical discipline.”并列;句子“Since the aim of archaeology is the understanding of humankind, it is a humanistic study”中主句为“it is a humanistic study”, “Since the aim of archaeology is the understanding of humankind”为since引导的原因状语从句;句子“since it deals with the human past, it is a historical discipline”中主句为“it is a historical discipline”, “since it deals with the human past”为since引导的原因状语从句。