6Harry R. Lewis. What is Harvard's mission statement?[EB/OL].http://www.harvard.edu/siteguide/faqs/faq 110.html , 2003-12-16.
7王晓阳.[D].北京:北京师范大学,2000:85.
8Judith A. Ha]stead. Council on undergraduate research:a resource (and a community) for science educators [J].Journal of Chemistry Education, 1997, (2) : 148-149.
10Leo Reisberg. Research by undergraduates proliferates but is some of it just glorified homework? [J]. The Chronicle of Higher Education, 1998, (37) :45-47.
