作业帮 > 英语 > 作业

帮我分析一下这是什么从句,OF WHICH在从句中是什么成分The problem is an unexpected o

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/17 04:56:01
帮我分析一下这是什么从句,OF WHICH在从句中是什么成分The problem is an unexpected outbreak of infectious disease,of which the first indication is likely to be sick people in emergency rooms or clinics.
逗号后面是一个非限制性定语从句修饰disease,of是和indication连用的,就是the first indication of which(which代指disease)是...