就说明对象而言,英语说明文可分为对客观具体事物的说明和对主观抽象观念的说明两大类,比如:对LASER(激光)、ComputerProblemofYearXX(计算机XX年问题)等等的说明都是对客观或者具体事物的说明,而TheSuccessfulInterview(谈成功的面试)、HowtoWriteGoodEnglishComposition(如何才能写好英语作文)等是对主观抽象观念的说明。对我们中学生朋友来说,在汉语说明文的教学中似乎比较侧重前者,即解释客观具体事物的说明文。但在英语说明文中,阐述和说明主观抽象观念的说明文占了很大的比重,其中有些类似汉语中的议论文。但是无论是对客观具体事物的说明还是对主观抽象观念的阐述,英语说明文从结构上看大致可分为三个部分:第一部分一般是文章的第一段,提出文章的主题,也就是说,文章想要阐述、说明的主要内容;第二部分是文章的主体,可由若干个段落组成,对文章的主题进行展开说明;第三部分是结尾段,对文章的主题作归纳总结。从英语说明文的结构可以看出,要写好英语说明文的关键在于第二部分如何对文章主题进行展开说明。在英语中,常见的用来展开文章主题的方法有下列几种: 1。罗列法(listing) 在文章开始时提出需要说明的东西和观点,然后常用first,second,andfinally加以罗列说明。罗列法广泛地使用于各类指导性的说明文之中,下面这篇学生作文就是用罗列法写成的: EarlyRising Earlyrising(早起)ishelpfulinmorethanoneway。First,ithelpstokeepusfit(健康)。Weallneedfreshair。Butairisneversofreshasearlyinthemorning。Besides,wecandogoodtoourhealthfromdoingmorningexercise(做早操)。 Secondly,earlyrisinghelpsusinourstudies。Welearnmorequicklyinthemorning,andfinditeasiertorememberwhatwelearninthemorning。 Thirdly,earlyrisingenables(使能够)ustoplantheworkoftheday。Wecannotworkwellwithoutagoodplan。Justastheplanfortheyearshouldbemadeinthespring,sotheplanforthedayshouldbemadeinthemorning。 Fourthly,earlyrisinggivesusenoughtimetogetreadyforourwork,suchastowashourfacesandhandsandeatourbreakfastproperly。 Laterisersmayfinditverydifficulttoformthehabitofearlyrising。Theyoughttomakespecialeffortstodoso。AstheEnglishproverbsays,Earlytobedandearlytorise,makesamanhealthy,wealthyandwise。 罗列法经常用下列句式展开段落,我们可以注意模仿学习: Thereareseveralgoodreasonswhyweshouldlearnaforeignlanguage。Firstofall,Secondly,Andfinally, WeshouldtryourbesttoplantmoretreesforseveralgoodreasonsFirstofall,Secondly,Andfinally, 必须指出的是,有时罗列法并不一定有明确的first,等词,但文章还是以罗列论据展开的。 2。举例法(examples) 举例法是用具体的例子来说明我们要表达的意思,常用forexample,forinstance,等词语引出。下面这篇学生作文就是用举例法写成的: Recreation Itisimpossibletokeepingoodhealthunlesswetakeenoughrecreation(娱乐)。Themind,too,needschangetomakeitfreshandvigorous(有活力的)Thereismuchtruthintheoldsaying,AllworkandnoplaymakesJackadullboy。 Therearemanygameswhichboysandgirlscanplayaftertheirschoolworkisdone,forinstance,football,tennis,andkiteflying。Otherexamplesofrecreationareboating,fishing,gardening,cycling,walking,chessplaying,andreading。Personswhositmuchattheirbusinessshouldtakeakindofrecreationthatwillsupplytheirmuscles(肌肉)withexercise。Thosewhospendmostoftheirtimeintheopenairanddomanualwork(体力活)shouldadopt(采纳)readingorsomeotherquietformofrecreation。 Cyclingissaidtobeanimportantmeansofrecreation,butmanypersonsfoolishlytireoutthemselvesbycyclingtoomuch。Thesamemaybesaidinregardtofootball。Tennisisapleasantformofrecreation。Manypersonstakegreatdelightinboating。Fishingrequiresmuchpatience,andthereismuchdangeroftakingcoldbysittingstillonacolddaytoolong。Agoodbrisk(轻松)walkisoneofthefinestformsofexercise。Forpersonsengagedinoutdoorlabor,chessplayingisanotherexcellentformofrecreation。 可以看出,举例法和罗列法有时可以结合使用:即用罗列法来列出例子,用例子充实罗列的说明。 3。比较法(comparisonandcontrast) 比较法是对两个对象进行比较,从而进行说明的写作手法。比较法又可细分为比较相同点(comparison)和比较不同点(contrast)两种方法,比如: FromParagraphtoEssay Althoughtheyaredifferentinlength(长度),theparagraphandtheessayarequitesimilarinstructure(结构)。Forexample,theparagraphstartswitheitheratopicsentence(主题句)oratopicintroducerfollowedbyatopicsentence。Intheessay,thefirstparagraphsetsupthetopicfocus(主题所在)Next,thesentencesinthebodyofaparagraphdevelopthetopicsentence。Similarly,thebodyofanessayconsistsofanumberofparagraphsthatdiscussandsupporttheideasgivenintheintroductory(引导的)paragraph。Finally,aconcludingsentence(结束句)whetherarestatement,conclusion,endstheparagraph。Theessay,too,hasaconcludingparagraphwhichendstheessaylogicallyandsatisfactorily。Althoughtherearesomeexceptions(例外),mostwellwrittenexpository(说明文的)paragraphsandessaysaresimilarinstructure。 可以看出,在比较相同点的时候,常用到similarly,also,too,inthesamecase,inspiteofthedifference等这样的词语。 EuropeanFootballandAmericanFootball AlthoughEuropeanfootballistheparentofAmericanfootball,thetwogamesshowseveralmajordifferences。Europeanfootball,sometimescalledassociationfootballorsoccer,isplayedin80countries,makingitthemostwidelyplayedsportintheworld。Americanfootball,ontheotherhand,ispopularonlyinNorthAmerica(theUnitedStatesandCanada)。Soccerisplayedbyelevenplayerswitharoundball。Football,alsoplayedbyelevenplayersinsomewhatdifferentpositions(位置)onthefield,isplayedwithanelongated(拉长的)roundball。Soccerhaslittlebodycontact(接触)betweenplayersandthereforeneedsnospecialprotectiveequipment。Football,inwhichplayersmakethegreatestuseofbodycontacttostoparunningballcarrierandhisteammates,needsspecialprotectiveequipment。Insoccer,theballisadvancedtowardthegoalbykickingitorbybutting(顶)itwiththehead。InAmericanfootball,ontheotherhand,theballispassedfromhandtohandorcarriedinthehandsacrosstheopponent39;s(对手)goal。Thesearejustafewofthefeatureswhichdistinguish(区别)associationandAmericanfootball。 这是一篇用比较不同点的手法写的说明文。从文章中可以看出:however,ontheotherhand,incontrast,but,nevertheless等表示转折的词语常用来引导对不同点的比较。 4。定义法(definition) 定义法也是英语说明文中常用的写作手法,特别是在对具体事物概念进行说明时经常使用。定义法的基本要素是定义句。英语中常见定义句的模式是: 被定义对象is所属类别限制性定语 可以看出,定义句中限制性定语越详细,定义就越精确,比如: Abatisasmallmouselikeanimalthatfliesatnightandfeedson(以为食品)fruitandinsectsbutisnotabird。 其实,在英英词典中,对英语单词的英文解释就是定义法的典型例子。比如,看看Longman词典对student和teacher的定义是很有意思的:Astudentisapersonwhoisstudyingataplaceofeducationortraining。Ateacherisapersonwhogivesknowledgeorskilltosb。asaprofession(专业)。 5。顺序法(sequenceoftime,spaceandprocess) 顺序法是指按时间、空间或过程的顺序进行说明的一种写作手法。比如按照时间顺序介绍一个科学家的生平,用空间顺序阐述逐渐开发西部的重要意义,用过程顺序法解释葡萄酒的生产过程等等。 下面这篇学生作文就是用顺序法写成的: Coal Coalunderwent(经受)manychangesbeforeitbecamethebright,brittle(脆的),blacksubstancewhichwenowuse。Duringancienttimes(在上古时代),whentheearthenjoyedaverywarmandwetclimate,thelandwascoveredwithlargeforestsandbigplants。Astimewenton,thegroundchangedandbegantosink(下沉)alittle。Theseverylargenumbersoftreesandvegetablesreceivedadeposit(沉淀)ofsandandclay。Thislayerofsandandclaypresseduponthelayerbeneathandpreventeditfromcontactwithair。Thesetreesandplantsreceivedthepressureandchangeditsappearance。 Generationsaftergenerations(几世纪后),asthegroundkeptgraduallysinking,anotherlayerofsandandclaywasagaindeposited(积聚)abovethelayersalreadyformed。Agreatpressurewasthusexerted(作用)andthepeat(泥煤)waschangedintotheblackandbrittlesubstancewhichisknownascoal。 Coalisakindofmineralwhichisformedbynatureasabovestated。Itisanimportantindustrialmaterialandischieflyusedasfuel。Itisveryvaluableintheindustrialworld。Theplacewherecoaldepositiscalledacoalmine(煤矿)。InChina,coalminesarelargelyfoundinthenorthwestpartofthecountry。Shanxiisafamousprovinceforproducingcoal。IthasthemostcoalofChina。 6。分类法(classification) 分类法是将写作对象进行分类说明的一种写作手法。比如:著名的英国哲学家弗朗西斯培根(FrancisBacon)在其脍炙人口的《谈读书》(OfStudies)一文中就用到了分类法: Somebooksaretobetasted,otherstobeswallowed,andsomefewtobechewedanddigested,thatis,somebooksaretobereadonlyinparts,otherstoberead,butnotcuriously,andsomefewtobereadwholly,andwithdiligenceandattention。Somebooksalsomaybereadbydeputy,butthatwouldbeonlyinthelessimportantarguments, 参考译文:书有可浅尝者,有可吞食者,少数则须咀嚼消化。换言之,有只须读其部分者,有只须大体涉猎者,少数则须全读,读时须全神贯注,孜孜不倦。书亦可请人代读,取其所需摘要,但只限题材较次或价值不高者 转摘自《英汉翻译教程》(张培基等) 可见,如果能够根据具体情况,选用合适的写作手法,就可为文章增添无穷的魅力。 除了上述提到的6种展开英语说明文主题的写作方法之外,还有因果法、归纳法等其他方法。但相比之下,对于中学生来说,上述6种方法是首先值得掌握的。另外必须指出的是:在一篇文章中往往是以一种写作手法为主,同时辅以其他写作手法。有时,甚至会几种写作手法混用而不分主次。因此,必须根据具体情况,选用合适的展开主题的写作手法,才能写出优秀的英语说明文。