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astoonecriterion(标准)ofgoodteaching,somepeoplearguethatteachersareresponsibleformakingtheirinstructioninterestingandenjoyable.teachingmeansassistingandguidingratherthanfillingknowledgeintoasupposedlyemptyhead.andknowledgeisthewisdom,experienceaccumulatedfrompeople,bypeopleandforpeoplegsinceknowledgeissohumanandinterestingmwhycan'titbepresentedinanintimateandinterestingway
however,somepeopleexpressedtheirworriesthatmakinginstructioninterestingandfunmayspoiltheatmospherenecessaryforseriouslearning.theyareafraidthatthistypeof"merryteaching"maybemilewidebutinchdeep.inarelativelyloosemode(模式)ofmanagement,bothteachersandstudentsfavour"light"topicswhichcanhardlygodeeper.iftheoriesandfiguresandotherschoolbookmaterialsaretediousandboring(枯燥乏味),shouldtheybeabandonedidefinitelyholdtheideathateffectivelecturesshouldbefirstandforemostinterestingones.sinceknowledgeisacquiredmostinanaturalandeffectiveway,anenthusiasmforasubjectcanprovidestudentswithinternal(内部的)andpermanentmotivation.anactiveresearcherfacilitatorteacher(集研究、辅导、教学为一身的教师)willalwaysfindawayoutfacedwithchallengingtasks.thusefficientteachingisaconstantchallengeforinstructionthatisstimulating,interactiveandlively.