英文中破折号的作用TheInternet–andpressurefromfundingagencies,whoarequestioningwhycommercialpublishersaremakingmoneyfromgovernment-fundedresearchbyrestrictingaccesstoit–ismakingaccesstoscientificresultsarea

Question

英文中破折号的作用
The Internet – and pressure from funding agencies,who are questioning why commercial publishers are making money from government-funded research by restricting access to it – is making access to scientific results a reality.一句中破折号的作用是什么?取自2008年考研真题

Answer 1

这里是插入成分
下面是破折号的用法供你参考
折号是用来加强语气的符号,往往起到冒号,分号或逗号的作用.其用法如下：
1.用于解释性插入语之前.如：
Give your secretary what she needs --- pencil,paper and a good typewriter.
给你的秘书她所想要的东西——铅笔、纸和一台好的打字机.
2.表示说话突然中断、意思突然转换或犹豫不决.如：
"I'd like to," he said,"but ---"“我想”,他说,“但是——”
"Well --- it's hard to explain."“嗯——这很难解释.”
3.引出被强调的词语.如：
The only person that he admires is --- Churchill.他只钦佩一个人——丘吉尔.
4.分隔非限定性修饰语、同位语或附加成分的词语.如：
He is the exact person --- the person that I expected.他就是那个人——我要找的人.
5.表示概括性词语.如：
English,Chinese and math --- all these are the subjects that he should study.
英语、语文、数学——所有这些都是他该学的科目.
6.表示引文出处.如：
I have nothing to offer but blood,toil,tears and sweat.--- Winston Churchill
我可没什么可奉献的,除了鲜血、劳动、眼泪和汗水.——温斯顿·丘吉尔
7.用于两个地名或两个时间之间,意为“至,到”.如：
London --- Manchester 伦敦到曼彻斯特