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。

Onefactorwhichmayhelptoensurethatsomeendangeredlanguagesdonotdieoutcompletelyispeople'sincreasingappreciationoftheirculturalidentity.（test2passage1）分析：本句主句为Onefactorispeople'sincreasingappreciationoftheirculturalidentity"

whichmayhelptoensurethatsomeendangeredlanguagesdonotdieoutcompletely"为which引导的定语从句，作factor的定语；thatsomeendangeredlanguagesdonotdieoutcompletely"为that引导的宾语从句，作ensure的宾语。