4[3]Halliday,M A K.& Hasan,Cohesion in English[M].Long-man,1976:145.
5[4]Leech,L & Svartvik,J A Communicative Grammar of English[M].Longmam,1974:156.
6[6]张志公.现代汉语(上册)[M].北京:人民教育出版社,1982:221.
7[7]Widdowson,H G.Teaching Language as Communication[M].Oxford:Oxford University Press,1978:29.
8[9]Smith,L.The development of thought:Equilibration of cogni-tive structures translated by A.Rosin,compte rendu[J].British Journal of Psychology,1979(70):579-586.
9[10]Johnson,P.Effects on reading comprehension of building background knowledge[J].TESOL Quarterly,1982,16(4):503-516.
10[11]Rumelhart,D E.Toward an interative model of reading[M]//In S Domic(Ed.),Attention and Performance Ⅵ.Hillsdale,NJ:Lawrence Erlbaum,1977,575-603.