joyit,offerscanwemakefulluseofit.7.Oftenthevowelintheunstressedsyllablesispronouncedas/?/or/i:/,theyarecalledreducedvowels.8.Thesecondimportantfactorinwritingexercisesisthatstudentsneedtobepersonallyinvolvedinordertomakethelearningexperienceoflastingvalue.9.petenceandlanguageawarenessinessentials.10.Inalongrun,cognitivelearningiseffective.Learningwiththinkingimprovesability.IV.Answerthequestions(每题15分,共30分)1.WhatarethefeaturesofTBL?答:1.AuthenticlanguagematerialsInductivereasoningNon-eRealisticsituationMotivatedstudents2.Whataretheprinciplesoflanguagelearningandteaching?答:Therearefourprinciplesoflanguagelearningandteaching.First,Shiftfromproducttoprocess,second,Shiftfromteacher-centerednesstolearner-centeredness,third,Shiftfromexplanationtoexploration,andfourth,Shiftfromsentencetodiscourse.