一般是在主题句之后,依次罗列段落指示词所表达的几个部分或几个方面。然后,选用丰富的事例对所罗列的各个部分或各个方面进行具体地说明或解释。
Therearethreebasickindsofmaterialsthatcanbefoundinanygoodlibrary。
First,therearebooksonallsubjects,bothinEnglishandinmanyotherlanguages.Thesebooksareorganizedaccordingtosubject,title,andauthorinacentralfilecannedthecardcatalog.Bookscangenerallybecheckedoutofthelibraryandtakenhomeforaperiodoftwotofourweeks。
Second,therearereferenceworks,whichincludeencyclopedias,dictionaries,bibliography,atlases,etc.,andwhichgenerallymustbeusedinthelibraryitself。
Third,thereareperiodicals-magazines,newspapers,pamphlets-whicharefiled
alphabeticallyinracks,orwhichhavebeenfilmedtoconservespace.Likereferenceworks,periodicalscannotusuallyberemovedfromthelibrary.分类时常用:mostofall,next,moreover,inaddition,besides,furthermore,tobeginwith,tostartwith,firstofall,first,second,third„