20071,,,;;;(groupwork),(Brown2001:173),(task2basedteaching)(com2municativelanguageteaching)(cooperativelearning)(learner2centredteaching)(interactiveapproachtolanguagepedagogy),,,,,Eltis&Low(1985)445,(80%),,,,,:(1),,,,Krashen(1985),,(filter),,(2)Long&Porter(1985),,(3),,28©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2001:174),(4),,,,(1998),,,,,,,20,(17),:,,,,,,,,,,,,,,,,,,,,(pairwork)2.1,(Numan1989:10)Willis(1996):(listing)(orderingandsorting)(comparing)(problemsol2ving)(sharingpersonalexperiences)(creativetasks)Brown(2001:179):(games)(role2playandsimulations)(drama)(projects)(interview)(brainstorming)(informationgap)(jigsaw)(problemsolvinganddecisionmaking)(opinionexchange)Pica,KanangyFalodun,,,(Richards&Rodgers38©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.)2.1.1(information2gaptasks),,,,,,,,,,,,,2.1.2(jigsawtasks),,,,,,,,,,(stripstory),,,,2.1.3(problem2solvingtasks),,,2.1.4(decision2makingtasks),,(Brown2001:182),120,,,,,2.1.5(opinionexchangetasks),,,,,,,2.2,,2.2.1,,48©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)(2),,2.2.3:(1)(2)(3)(4),(2003:59-72)2.3,Johnson(1980),(conveyinginformation),,(informa2tion2gap),,(bridginganinformationgap),,,,,Johnson(2002:250),,Broughton(1968),,,,,BA,AB,,,,,,,,A,B,,BA,AB,,3.13.1.1,(teacherresourcebooks),,,,,,,,,,,,,,58©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Johnson2002:253),,,,,,,,,,3.1.2,:(1),,,,,,Thereison(under/infrontof/behind),,(2),,,,,,,,(3),,,Brown(1994),,3.2:,:,,,,,,,,,,1.,2.,3.,4.,5.,6.3.3,,68©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),:,,,,,,,(),,:,,,:,,,,,,,,,2003,1998,12002,3Brown,H.D.1994TeachingbyPrinciples-AnInteractiveApproachtoLanguagePedagogy.PrenticeHallRegents.Brown,H.D.2001TeachingbyPrinciples:AnInteractiveApproachtoLanguagePedagogy..Eltis,K.,&Low,B.1985AReviewoftheTeachingProcessintheAdultMigrantEducationProgram,reporttotheCommitteeofReviewoftheAdultMigrantEducationProgram,DepartmentofImmigrationandEthnicAffair,Canberra.Johnson,K.1980MakingDrillsCommunicative.ReprintedinJohnson,K.CommunicativeSyllabusDesignandMethodology.PergamonInstituteofEnglish.Johnson,K.2002AnIntroductiontoForeignLanguageLearningandTeaching..Johnson,R.T.,&Johnson,D.W.1982CooperationinLearning:IgnoredbutPowerful(inpress).Krashen,S.1985TheInputHypothesis:IssuesandImplications.Longman.Long,M.,&Porter,P.1985GroupWork,InterlanguageTalkandSecondLanguageAcquisition,TESQLQuarter2ly.Numan,D.1989DesigningTasksfortheCommunicativeClassroom.CambridgeUniversityPress.Numan,D.2001TheLearner2centredCurriculum-AStudyinSecondLanguageTeaching..Richards,J.C.,&Rodgers,T.S.2001ApproachesandMethodsinLangugeTesting.CambridgeUniversityPress.StephenD.Brookfield&StephenPreskill2002,,Willis,J.1996AFrameworkforTask2BasedLearning.Longman.TheTypesandDesignofGroupWorkTasksandTheirApplicationinTCSL78©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(100083)()2006112130,,,,,,,(),,,,,,,()88©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.