They want to kown their enrollment motivation, study, and attitude about teacher professional.

The main characteristics of differentiation of entrance opportunity for higher education in urban and rural areas is that the differentiation is being narrowed, but it is still obvious,especially the opportunity to enter the key university.

The status quo of the regional distribution of the current entrance opportunity for high-quality higher education is apparently unbalanced; that is, the western minority areas and some of the municipalities have a higher percentage than those provinces that have more populations but few higher education institutions.

From the perspective of comparison and reference, the author tries to explore the manifestation of the difference of entrance opportunity, the influence factors and the measures of narrowing the difference of higher education in Japan.

The mathematical model of reentry maneuvering trajectory is established.

In this paper,the method of reentry maneuver guidance applying to attack the ground fixed target is described by using flight dynamics principle and modern control theory.

From the historical development,achievements and advancement of our Party,the article expounds the reason that why we should join the party,and briefly discusses the ideology that we should take a correct motive to join the Party,and conscientiously struggle to realize the Party s goal.

Enterprises motivation of entering science parks and study on model of influence factors;