2Brualdi, A. C. Classroom Questions[J]. ERIC/AE Digetst.Washingtom, DC:ERIC Clearinghouse on Assessment and Evaluation, 1998. (422) :407-413.
3Marzano, R. J., D. J. Picketing, and J. E. Pollock. Classroom Instruction That Works:Research-Based Strategies for Increasing Student Achievement[J]. Association for Supervistion and Curriculum Development, 2001, (27) :87-99.