基础汉语课本4（修订本）

ThisneweditionofBlemeataryChiineseReadershasbeensubstantiallyrevisedbytheauthorsinordertoincor-poratenewmaterialthatisbasedonrecentdevelopmentsinlinguistictheoryandteachingmethods，andthemanyconstructivesuggestionsfromourreaders.Thetextbookshavebeencondensedfromtheorigi-nalfivevolumesintofour.Moreemphasisisnowputonpracticallanguageneededindailycommunication.Also，thematerialhasbeenupdatedtoreflectcurrentChineselife.Thelessonshavebeencarefullyarrangedtomakethebookasusefulaspossible，althoughthegeneralstruc-tureoftheoriginalhasbeenmaintained.Inaddition，newlyrecordedcassettetapesareprovided.Thevarioussupplementaryreadingspublishedforthefirstedition，however，cancontinuetobeusedforthisedition.Itisourhopethattherevisedtextbookswillhelpim-proveteachingresultsbyfurtherfacilitatingteachersandbybeingastimulatingandinformativesourcetostu-dents.Sinolinguawouldliketosenditswarmregardsandsincereappreciationtothoseteacherswhohavesup-portedourworkbyusingthebooksintheirclasses，andtoallthosewhohavesentsuggestionsfortheimprove-mentoftheseries.