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1、Unit8EducationClassificationUnitObjectivesDefinitionofClassificationFunctionofClassificationFeaturesofClassificationOrganizationofClassificationHowtochooserightexamplesTransitionalphrasesWarm-upActivitiesAccordingtoDifferentkindsofbooksSubjectMattersLanguageBindingTargetReaderWriter’sGenderLocati
2、on……dictionaries,literature,textbooks…Englishbooks,Chinesebooks,Japanesebooks…hardbacks,paperbacks…Booksforteachersonly,booksforstudents,booksforpost-graduatestudents,booksforresearchers…Booksbyfemalewriters,booksbymalewriters…Booksinthelendingsection,booksinthereferenceroom,booksinthestudents’re
3、adingroom…Toclassifyistosortthingsintocategoriesaccordingtotheirdifferentcharacteristics.Inagoodclassificationthepartsmustbeparallel,andtheyshouldadduptothewholesubject.Let’strytoanalysisaparagraph.DefinitionofClassificationTherearethreekindsofbookowners.Thefirsthasallthestandardsetsandbestseller
4、s---unread,untouched.(Thisdeludedindividualownswoodpulpandink,notbooks.)Thesecondhasagreatmanybooks---afewofthemreadthrough,mostofthemdippedinto,butallofthemascleanandshinnyasthedaytheywerebought.(Thispersonwouldprobablyliketomakebookshisown,butisrestrainedbyafalserespectfortheirphysicalappearanc
5、e.)Thethirdhasafewbooksormany---everyoneofthemdog-earedanddilapidated,shakenandloosenedbycontinualuse,markedandscribbledinfromfronttoback.(Thismanownsbooks.)Thewriteistrytobehumorous.Hiswayofclassifyinghisclassmates:Unscientificbutsuitedtohispurpose.Classificationisthedivisionofatopicintosmallerg
6、roupsaccordingtothecommonfeaturesinordertomakeacentralpoint.Itmeanssub-dividingasubjectintoitstypes，kinds，divisions，orgroups.Theessentialcharacteristicofalogicclassificationistheuseofsomedistinguishingfeaturestoseparateonesetofitemsfromanother.Atypeorgroupcanhavenomeaningifitsmembersdonotsharesom
7、ecommontraitsorfeaturesnotpresentinothers.Classificationenablesustoseethingsclearer—toidentifythepatternbehindseeminglyrandomeventsoroccurrences.FeaturesofClassificationAccordingtoXiaoLi，thefifteenstudentsinhisclassfal
