4Genesee.Upshur J A.Classroom-based Evaluation in Second Language Educsyion[M].Brijing:Foreign Language Teaching and Research,Prese&Cambrideg University Press,2001.
5Harlen W,James M.Assessment and leaming:Differences and relationships between formative and summative assessment[J].Assessment in Educ ation,1997(3).
6教育部高教司.大学英语课程要求[M].上海:上海外语教学出版社,2007:7,7.
7Gredler M E.Classroom Assessment and Learning [M].New York:Longman, 1999:169.
10Leung C & Mohan B.Teacher formative assessment and talk in classroom contexts:Assessment as discourse and assessment of discourse[J].Language Testing,2004(3):335-359.
