5Eastment D. Search Engines, Web Directories and Sites for News and Current Affaires[J]. ELT Journal. 2001,55(1) :102-106.
6Eastment D. Web Sites for the Language Teacher [J].ELT Journal. 2001 ,55(2) :214 -216.
7Dudeney D. The Internet and the Language Classroom[M]. Cambridge: Cambridge University Press, 2000.
8Teeler D, P Gray. How to Use the Internet in ELT[M].London: Longman,2000.
9Driver, R. Theory into Practice: A Constructivist Approach to Curriculum Development [A]. In P. Fensham(ed. ). Development and Dilemmas in Science Education. London: Falmer Press, 1998.
10Hatano, G. Time to Merge Vygotskian and Constructivist Conception of Knowledge Acquisition [ A]. In Forman, E. A., Minick, N. & Stone,C. A. ( eds. ) . Contexts for Learning: Socialcultural Dynamics in Children's Development (pp.153- 166). Oxford: Oxford University Press,1993.
