By analyzing the basic category of community self-ruling,this paper puts forward the opinion that it is inevitable to set up the self-ruling community,seeks the way from officializing community to self-ruling community,in order to realize this important transformation.

The prototype theory bestows some implications to college English vocabulary teaching: focusing on prototype meaning and spreading to marginal meaning,strengthening the teaching of basic category vocabulary,paying attention to the vocabulary of epigenous and hypogenous categories and attaching importance to the study of metaphor and the creation of context of the vocabulary.

Some basic categories for the pedagogic of ideological education and its constructive principles of system;

Both the mathematical and the experimental methods are the legs of the new giant of science whereas the basic categories make a foothold for them.

Through the semiotic analysis of the basic categories o.

In order to enact an equitable and scientific E-commerce law,it is necessary to distinguish three issues related to the field of E-commerce law:the category of E-commerce law;the belongingness of the E-commerce law;the legislative value inclination of the E-commerce law.