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标点符号对雅思阅读那些帮助

　　1、破折号

　　破折号后面出现的一句话的作用通常是对前一句话的解释说明。在雅思阅读文章中破折号出现的情况通常有两种一种是两个破折号联合使用，一种是只使用一个破折号。我们来看一个例子：Volcanoes-earth-shattering news”中Section C第二段首句：Sometimes it is slow: vast bubbles of magma-molten rock from the mantle-inch towards the surface…… 两个破折号中的molten rock from the mantle是在解释破折号之前的名词magma.

　　破折号中的部分正好对应19题的题干：What is the name given to molten rock from the mantle? 因此答案为magma。依旧在Section C第四段中， 第四行and you can see the rough outlines of what are called tectonic plates-the plates which make up the earth’s crust and mantle.破折号后的the plates which make up the earth’s crust and mantle是在解释破折号前的tectonic plates. 此句与18题题干What are the sections of the earth’s crust, often associated with volcanic activity, called?相对应

　　2、冒号

　　在讨论冒号的作用之前我们不妨先来看剑六TEST2第一篇文章的A段中一段话：In fact, Newman believes the main reason for adopting one sort of transport over another is politics: “The more democratic the process, the more public transport is favored.”

　　在这段话中我们可以发现冒号后的内容是一句正式引语，并对冒号前的politics进行了具体的阐述说明，因此，冒号后的内容是本段的主题句，强调的引号内的democratic一词，所以在本篇第一个题型List of Heading中，本段的选项为A successful exercise in people power.

　　接下来再来看看The Problem of Scarce Resources——剑桥四Test 4第三篇阅读文章：'However, at exactly the same time as this new realization of the finite character of health-care resources was sinking in, an awareness of a contrary kind was developing in Western societies: that people have a basic right to health-care as a necessary condition of a proper human life.'

　　对此我们不难看出，冒号后面的内容对前半句的an awareness of a contrary kind进行了具体的解释说明，因此冒号后面的内容就是解题的重点。在冒号后面提出了health-care与right的关系，所以这个段的段落大意选择选项I The connection between health-care and other human rights. 因此我们可以做出这样的总结：冒号在英文中有两大用法：一是用在一个正式的引用前面，二是列出表示列举、解释和说明性的词语。在文中看到冒号一定要提高警惕，说不定里面就隐藏着阶梯的秘籍。

　　3、括号

　　括号的情况虽然不多，但是也经常出现，括号的作用有时候和破折号差不多，都是对用来解释。但不同的是括号是可以是对一句话的插入，这个插入可以是单词，词组或者是句子。例如：Johnson did not have a ……..available to him, but eventually produced definitions of in excess of 40,000 words written down in 80 large notebooks. 根据题中的定位词80 large notebooks, 考生可找到文章第六段首句” The work was immense; filling about eighty large notebooks (and without a library to hand), Johnson wrote the definitions of over 40,000 words, and……..”考生根据所填题目前的did not have体现的否定关系以及不定冠词a, 可预判答案选词为可数名词单数，并且体现为否定关系。通过阅读，可确定答案为文章中括号内的单词library.

　　4、问号

　　雅思阅读中的问号，多数情况下用在设问句之后。设问句，即没有疑问而故意自问自答，作者的目的在于引起读者的注意和思考，能够引起文章的跌宕起伏。因此，多数情况下，如果在段首位置出现了问号，该句即为该段的主旨句。如剑六TEST1第一篇文章“Australia’s Sporting Success”的首段：They play hard, they play often, and they play to win. Australian sports teams win more than their fair share of titles, demolishing rivals with seeming ease. How do they do it? A big part of the secret is an extensive and expensive network of sporting academies underpinned by science and medicine. 前两句为描述性语句，第三句问句How do they do it?后的自问自答引出了本段甚至本文的中心内容。

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