雅思阅读长难句

　　One form of pollution - the release of greenhouse gases that causes global warming - does appear to be a phenomenon that is going to extend well into our future, but its total impact is unlikely to pose a devastating problem.

　　雅思阅读长难句专家解析

　　【难点】

　　本句是一个并列复合句，要想理清本句的主干，首先要从找连接词和动词入手。两个 that 都跟在名词的后面，而且句子里面都缺少主语，that 代替先行词在从句中作主语，而 but 连接两个并列句.注意破折号的用法，这里引出了名词 pollution 的同位语。

　　【子句拆分】

　　并列句1：One form of pollution – the release of greenhouse gases – does appear to be a phenomenon.

　　定语从句1：The release of greenhouse gases causes global warming.

　　定语从句2：The phenomenon is going to extend well into our future.

　　并列句2：Its total impact is unlikely to pose a devastating problem.

　　【成分划分】

　　并列句1：One form of pollution [主语] – the release of greenhouse gases [同位语] – does appear to be [系动词] a phenomenon. [表语]

　　翻译：温室气体排放的这种污染形式似乎真地要成为一种现象。

　　连接词：THAT

　　定语从句1：The release of greenhouse gases [主语] causes [谓语] global warming. [宾语]

　　翻译：温室气体排放导致全球变暖。

　　连接词：THAT

　　定语从句2：The phenomenon [主语] is going to extend [谓语] well [状语] into our future. [状语]

　　翻译：这种现象将会在未来持续存在。

　　连接词：BUT

　　并列句2：Its total impact [主语] is unlikely to pose [谓语] a devastating problem. [宾语]

　　翻译：其全部影响不太可能引发灾难性问题。

　　【全句翻译】

　　“导致全球变暖的温室气体排放”的这种污染形式似乎真地要成为一种将会在未来持续存在的现象，但是，其整体影响不太可能引发灾难性问题。

　　雅思阅读长难句知识点梳理

　　定语从句

　　在主从复合句中，对名词(或者整个句子)限定修饰，起定语作用的句子，就是定语从句。

　　① They rushed over to help the man whose car had broken down.

　　② The school that he once studied in is very famous.

　　并列复合句

　　并列句中的两个分句中又内含从句,或者说就是含有复合句的并列句。

　　① The man is my friend and that’s why I agreed to help him.

　　② Suzette wanted to go to the party, but her mother said that it was already dark outside.