8Wardhaugh, R. An Introduction to Sociolinguis- tics [ M ]. Oxford: Basil Blackwell Publisher Ltd,1986 : 12 -54.
9Pomerantz. Compliment Responses: Notes on the Co - operation of Multiple Constraints [ M ]// In Schenkein,J. (ed.). Studies in the Organization of Conversational interactions. New York: Aca- demic Press, 1978:79 - 112.
10Chen R. Responding to compliments: A contras- tive study of politeness strategies between English and Chinese speakers [ J ]. Journal of Pragmat- ics, 1993 ( 1 ) :49 - 75.