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1、我的词典事物说明文(共3篇)————————————————————————————————作者：————————————————————————————————日期：篇一：说明文是以说明为主要表达方式用来说明事物说明文是以说明为主要表达方式用来说明事物，阐明事理的一种文体。它通过揭示概念来说明事物的特征、本质及其规律性，给人准确的科学知识或正确思想。一般可分为实体事物说明和抽象事物说明两大类，词典、教材、论文、实验报告、产品说明书、广告、解说词及科学小品等都属于说明文。按写作方法,英语说明文主要分为下面六种类型1.例证法2
2、.定义法3.分类法4.因果关系法5.比较对照法6.过程分析法1.例证法这段主要是讲能源问题。第一句为主题句,概括地说出我们目前的生活很大程度上依赖能源。接着用举例的方法从三方面说明能源的作用。2.定义法anidealteachermusthavethefollowingcharacteristics.heshouldknowhissubject,buthecanmakemistakesifheiswillingtolearn.hispersonalityisasimportantashisscholarship.anidea
3、lteachermustbeenthusiastic.heshouldbeabitofanactorandheshouldntbeafraidtoshowhisfeelingsandexpresshislikesanddislikes.anidealteacherisonewhogrows,learns,andimproveshimselfalongwithhisstudents.本段的展开是通过对一个模范教师下定义的方法,关键词idealteacher在文中多次重复,能加深读者的印象。3.分类法asfaraspolitic
4、alviewsareconcerned,peoplefallintothreecategories.firstaretheconservativepeople.conservativesareopposedtosuddenorgreatchanges.secondaretheliberalpeople.thesepeopleareinfavourofprogressandreform.buttheiropinionsoftenseemtooidealistic.thirdarethemoderatepeople.themod
5、erateskeepeverythingwithinreasonablelimits.theyaremorepracticalinthishardworld.inmyopinion,mostpeopleseemtobelongtothisgroup.本段把人按政治观点分为三类:保守派(conservativepeople)、自由派(liberalpeople)和温和派(moderatepeople),并对他们各自的特征进行了简要的分析。4.因果关系法第一句为本段主题句,末句是总结句。在主题句后,作者用了四个句子阐述自己喜欢春
6、天的理由。5.比较对照法ilikehavingatwinsister.whensheshappy,imhappy.whenshefeelsunhappy,ifeelthesame.often,iknowwhatshesgoingtosay.sometimes,iknowwhatshesthinking.ilikewhatshelikes.ihatewhatshehates.welikethesamemusic,thesamefoodandthesamebooks.这段采用ab交错的比较方式,阐述孪生姐妹的相同特征。这种写法较
7、流畅自然,给读者的印象也更鲜明突出。6.过程分析法thereareseveralstepstoplantatree.first,digaholelargeenoughforthetree,buttheholeshouldnotbetoodeep.second,putthetreeintheholesothatitisstraight.third,puttheearthbackintotheholeagain.pushitdownhardwithyourfootseveraltimes.finally,waterthetree
8、well,asoftenaspossible.这段分析了植树过程中的几个步骤。全段层次分明,连接词语(first,second,third,finally)的使用加强了语句的连贯性。exercises例１请根据wanghua在学骑自行车时的几个步骤，写一篇短文，说明他是任何学会骑自行车的．
