4[1]Atkson R C and Shiffrin R M.Human memory:a proposed system and its control processes[C].In W.K.Spence and J.T.Spence(Eds.) The Psychology of Learning and Motivation:advances in research and theory[A].New York:Academic Press 1968.
5[2]Child D.Psychology and Teacher[M].London:Holt,Rinehart and Wilston Ltd.1986.
6[3]Gagne R.The Conditions of Learning[M].NY:Holt:Rinehart and Watson,1977.
7[4]Marion Williams and Robert L.Burden.Psychology for Language Teachers[M].Peking:Foreign Language Teaching and Research Press,2000.
8[5]Skehan p.A cognitive Approach to Language Learning[M].Shanghai:SFLEP,2000.
9Brown,D.H.Principles of Language Learning and Teaching[M].Langman,2000.