1高三议论说明文之结构分析一、专题精讲说明文结构分析说明文是用平实的语言客观地解说事物、阐明事理的文体。说明文实用性很强，它包括广告、说明书、内容提要、规则章程、解说词、科学小品等。掌握说明顺序：时间顺序、空间顺序、逻辑顺序及说明方法：举例子、作比较、分类别、因果、列数字、作诠释、打比方、下定义、列图表、作引用等对理解说明文体有着重要的作用。一、说明文的大体结构有：1．总体叙述+细节或过程说明+概括评述；下面具体看看两篇说明文ADoyouknowhowitiswhenyouseesomeoneyawnandyoustartyawningtoo?Orhowharditistobeamongpeoplelaughingandnotlaughyourself?Well,apparentlyit'sbecausewehavemirrorneurons(神经元）inourbrains.Putsimply,theexistenceofmirrorneuronssuggeststhateverytimeweseesomeoneelsedosomething,ourbrainsimitate(模仿)it，whetherornotweactuallyperformthesameaction.Thisexplainsagreatdealabouthowwelearntosmile,talk,walk,danceorplaysports.Buttheideagoesfurther：mirrorneuronsnotonlyappeartoexplainphysicalactionsytheyalsotellusthatthereisabiologicalbasisforthewayweunderstandotherpeople.Mirrorneuronscanundoubtedlybefoundalloverourbrains,butespeciallyintheareaswhichrelatetoourabilitytouselanguages,andtounderstandhowotherpeoplefeel.Researchershavefoundthatmirrorneuronsrelatestronglytolanguage.Agroupofresearchersdiscoveredthatiftheygavepeoplesentencestolistento(forexample："Thehandtookholdoftheball"),thesamemirrorneuronsweretriggeredaswhentheactionwasactuallyperformed(inthisexample,2actuallytakingholdofaball).Anyproblemswithmirrorneuronsmaywellresultinproblemswithbehavior.Muchresearchsuggeststhatpeoplewithsocialandbehavioralproblemshavemirrorneuronswhicharenotfullyfunctioning.However,itisnotyetknownexactlyhowthesediscoveriesmighthelpfindtreatmentsforsocialdisorders.Researchintomirrorneuronsseemstoprovideuswithevermoreinformationconcerninghowhumansbehaveandinteract(互动）.Indeed,itmayturnouttobetheequivalent(相等物）forneuroscienceofwhatEinstein'stheoryofrelativitywasforphysics.Andthenexttimeyoufeeltheurgetocoughinthecinemawhensomeoneelsedoes--well，perhapsyou'llunderstandwhy.70.Whati...
