Question

求分析这个句子的句型等相关知识！句子结构，语法，词组之类的 ，在线等，急！

A student attending a community college in his home town explained how as astudent he came to know a student from a Third World country——a country he had not evenheard of before

Answer 1

A student （attending a community college in his home town ）explained 【 how （as astudent ）he came to know a student from a Third World country——（a country he had not evenheard of before。）】
a student 主语。
（attending ....）现在分词，用作定语，修饰主语。
explained 谓语。
【how .....】宾语从句。（explain的宾语从句）
（as a student ) 介词短语，用作定语。
（a country .....）同位语。（前面country的同位语。这里面还有一个定语从句，he had not...）