新东方在线雅思网为大家收集整理的雅思阅读长难句每日一题：Day 63。解决长难句是雅思阅读中的重点~希望能够为同学们的雅思备考提供帮助。更多雅思报名官网的最新消息，最新、最专业的雅思备考资料，新东方在线雅思网将第一时间为大家发布。

　　>>>拓展阅读：手把手教你六步搞定雅思阅读长难句分析

　　● 题目：

　　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。