4Wilen, William W.. Questioning Skills, for Teachers: What Research on Teacher(3rd) [M]. Washington, D.C: Na- tional Education Association of the United States, 1991.
5Stephen M. Corey. The Teachers Out-talk the Pu- pils [J]. School Review, 1940, (48) : 745-752.
6M B Rowe. Wait Time: Slowing Down Maybe away of Speeding up [J]. Journal of Teacher Education, 1986, 23(2): 43-49.
