分析高考英语中的难句，可以遵循以下步骤：

识别主句

首先找到句子的主干，即主句，它通常包含主语和谓语。

识别从句

然后识别出句子中的从句，包括宾语从句、状语从句、定语从句等。

识别修饰成分

找出修饰主句或从句的修饰语，如形容词、副词、介词短语等。

分析句子结构

分析句子的并列结构、倒装结构、强调结构等特殊句式。

理解句子意义

将各个部分组合起来，理解整个句子的意思。

示例分析

示例1

句子：Although the committee had been told that the project would be difficult, they decided to proceed because they believed the potential benefits far outweighed the risks involved.

分析：

主句 ：they decided to proceed

主语：they

谓语：decided

宾语：to proceed

从句

Although the committee had been told that the project would be difficult：让步状语从句

that the project would be difficult：宾语从句，作为told的直接宾语

because they believed the potential benefits far outweighed the risks involved：原因状语从句

修饰成分

Although the committee had been told：让步状语

that the project would be difficult：宾语从句的引导词

because they believed：原因状语

句子结构

并列结构：Although...but...

理解句子意义

尽管委员会被告知项目会很困难，但他们还是决定继续进行，因为他们相信潜在的好处远远超过了涉及的风险。

示例2

句子：

The reason why we need to learn English is not only for passing exams but also for improving our communication skills.

分析：

主句 ：The reason why we need to learn English is not only for passing exams but also for improving our communication skills

主语：The reason

谓语：is

宾语：not only...but also...（连接两个并列的目的状语）

从句

why we need to learn English：定语从句，修饰The reason

for passing exams：目的状语

for improving our communication skills：目的状语

修饰成分

why we need to learn English：定语从句的引导词

句子结构

复合句，包含一个定语从句和一个并列句

理解句子意义

我们需要学习英语的原因不仅是为了通过考试，也是为了提高我们的沟通能力。

通过以上步骤，可以有效地分析高考英语中的难句，从而提高阅读理解能力和英语写作水平。