新东方高考英语电子版讲义
范文：（2000年D篇文章）
Most people feel lonely sometimes, but it usually only lasts between a few minutes and a few hours. This kind of loneliness is not serious. In fact, it is quite normal. For some people, though, loneliness can last for yeas. Now researchers say there are three different types of loneliness.
【资料下载】新东方高考英语电子版讲义
