people who work and live in noisy conditions go deaf easily.中为何会出现who?
问题描述：
people who work and live in noisy conditions go deaf easily.中为何会出现who?
答
who 引导的是定语从句,修饰前面的people.
句意是：在喧闹环境中工作和生活的人容易耳聋.能否给我详细介绍一下whowho 是关系代词，指代人，在定语从句中充当句子的主语。