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1、标点符号的使用Outline:逗号句号分号问号冒号感叹号引号省略号破折号连字符所有格圆括号大小写缩写/简写数字英文标点与中文标点的区别英文中的句号为句点“.”,省略号为三个句点“…”;英文中没有顿号“、”和书名号“《》”;英文中有撇号“’”而中文中没有。英文标点符号主要有以下四个方面的用途:表示连接,连接词或承接句子各部分。如连字符“-”、冒号“:”、破折号“——”、撇号“’”(表示所有格);起封闭句子的作用。如破折号、逗号和引号,成对出现的圆括号、方括号;表示省略。如省略号、句号、撇号:I’m,…);表示结束。如句号、问好和感叹号。1.逗号(c
2、omma,)例:TheresultsofthetestsA、BandCareshowninTable4.修改为:TheresultsofthetestsA,BandCareshowninTable4.英文中没有顿号!例:Substitutingthesevaluesforp,q,weobtainthefollowingsolution.〔修改为〕:Substitutingthesevaluesforpandq,weobtainthefollowingsolution.当所提到的项目只有两项时,不能用逗号替代and.1.逗号(1)Acommagoe
3、sbefore"and"or"or"inaseriesofthreeormore:分隔平行并列(尤其是三个以上)的数字、单词、短语或从句。以并列连词(and、but、or、nor、for、so、yet)所连接的两个分句,并列连词前要加逗号。如:Airhasweight,butitisverylight.逗号Thisnewbuildinginouruniversitywillincludemanyclassrooms,alaboratorywithcompletetestingequipmentandoffices.Thisnewbuildingi
4、nouruniversitywillincludemanyclassrooms,alaboratorywithcompletetestingequipment,andoffices.Atitleoraheadline,forinstance,functionsasasignalanddeterminesourapproachtotheensuringtext.Kerosenemolecules,however,havelongercarbonchainsthangasolinemolecules.Theparticlesin,forexample
5、,agasmoveatrangeofspeeds.Theproducts,whichwereproducedathightemperatures,wereunstable.(2)句中的插入语前后均要用逗号。一些在句子中间起引导作用的短语前后均要加逗号,如:forinstance,togetherwith,aswellas,inadditionto,thatis,namely,forexample,i.e.,e.g.,moreover,incontrast,indeed,finally等.Silverisaconductor,whichallows
6、electricalcurrenttofloweasily.Thematerialwhichallowselectricalcurrenttofloweasilyiscalledaconductor.Thefactthatthingsmustmovetodoworkisknowtoall.Theboilingtemperature,orboilingpoint,isthetemperatureatwhichaliquidboilsunderordinarypressure.Thisisanexcellentpaper,althoughIdon’t
7、completelyagreewiththeconclusions.Wewillacceptthispaperforpublicationifyoumakethefollowingminorrevision.(3)非限定修饰(从句、短语)提供的只是补充的信息,省略后不会改变句子的基本意义,应该用逗号把句子的非限定修饰词分隔出来。而限定修饰语省略后,意义变化,因此不使用逗号。(4)时间中的逗号HearrivedinTaiyuanonOctober10,2006,andbeganhisstudythenextweek.HearrivedinTaiyu
8、anon10October2006,andbeganhisstudythenextweek.(5)参考文献中的逗号Separatesup