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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。
　　One factor which may help to ensure that some endangered languages do not die out completely is people's increasing appreciation of their cultural identity. （test2 passage 1）分析：本句主句为“One factor is people's increasing appreciation of their cultural identity”
　　“which may help to ensure that some endangered languages do not die out completely”为which引导的定语从句，作factor的定语；“that some endangered languages do not die out completely”为that引导的宾语从句，作ensure的宾语。