To deal with the problems,the paper brings forward five countermeasures: developing teachers information competence,building comprehensive law and strengthening the internet ethic,constructing the theory system of online education,dedicating in the research and utilizing of internet technology,forging the new education pattern which combining the internet and intranet education.

In the condition of not involving compactness type,the existence of extremal solution for ordinary differential equation in Banach space was proved.

The article gives an analysis of the deep causes of the underdevelopment of non-public sector in the western region from the angles of the cultural concept, system transition and development path choice,and presents some countermeasures:be active in helping people foster a new concept of non-public sector and in promoting the reform of the systems in th.

Adverse selection and countermeasures for the peasant laborer training;