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英文标点：Em dash使用核心要点
英语论文写作是很多考生和家长关心的事。破折号虽小却是英文写作中不可忽视的细节，em dash的正确使用尤为重要。今天小编要说的就是em dash的规范用法，包括与空格的关系以及后续单词的大小写问题，配详细案例帮助理解记忆。感到兴趣的网友和小编一起看看吧
要点1：em dash连接的句子前后都不能有空格。
要点2：除非遇到天生大写的字母，emdash后接的单词不能大写，例：Juan tried begging, bribing, and even demanding cooperation from his staff—allof whom were swamped with other work—before he gave up and wrote the reporthimself.
英语论文分号使用规则与实例
1.当一个句子中，加入了两个或两个以上的概念（从句），而这些概念又互为平等时：
例子：The universe has always called to human beings; there could be no morefinal frontier than space.
2.当一个句子加入了两个用连接副词或转折片语连接的独立从句时：
例子：Sam thought David was inviting him to the picnic to enjoy a nice dayout; as it turned out, David was planning a surprise birthday party.
3.当一个句子中陈列出许多或一系列不同的项目，其中这些陈列的项目中包含逗号时，或者项目相对长且性质较复杂时：
例子：Our family members came all the way from Denver, Colorado; Rochester,Minnesota; and even Paris, France.
4.在句子中使用对等连接词连接两个独立从句(若两个从句已使用逗号分隔)，或者当两个从句较长时：
例子：My main research objective is to isolate the cause of the disease, aswell as to contribute to the existing literature; for this will bring an end tostarvation across the continent, create new study designs related toepidemiology, and change the very paradigm of my research field.