4Alderson, J, 1991. Brands and scores [A]. In J. Alderson & B. North (eds.). Language Testing in the 1990s [C]. London: Modern English Publication and the British Council.
5Ameriacn Council for the Teaching of Foreign Languages. 1983. ACTFL Proficiency Guidelines Revised 1985 [M]. Hastingson Hudsonm, NY: ACTFL Material Center.
6Association of Language Testers in Europe (ALTE). 1994. A description of the framework of the Association of Language Testers in Europe [ Z ]. Cambridge, ALTE Document 4.
7Bachman, L. F. 1988, Problems in examining the validity of the ACFFL oral proficiency interview [J ]. Studies in Second Language Acquisition 10 : 149-164.
8Bachman, L. F. & J. L. D. Clark. 1987. The measurement of foreign/second language proficiency [J ].Annals of the American Association of Political and Social Science 490: 20-33.
9Bachman, L. F. & A. S. Palmer. 1982. The construct validation of some components of communicative proficiency [J]. TESOL Quarterly 16: 449-465.
10Bachman, L. F. & S. J. Savignon. 1986. The evaluation of communicative language proficiency: A critique of the ACTFL oral interview [ J ]. The Modern Language Journal 70 : 380-390.
