Through a systematic analysis of constructivist educational theory and philosophical reflections on constructivist educational activities, it is believed that exterior construction is the cornerstone of constructivism, whereas affective construction .

This thesis is composed of two separate parts: the study of a human novel gene pp5644 which is possibily related to hepatocellular carcinema; the reconstruction of vector plasmids and library constructions of yeast two-hybrid system.

Study on Enterprise Culture Construction of Northwest Benniu Group Co.,Ltd;

Library plays a crucial role in talents cultivation and as well the culture construction and culture accumulation of normal institutions of higher learning which are characterized by their presented exemplary virtue , spirit of devotion to the profession and artistic teaching skills .

The author allies Ecocriticism with translation studies, not only because they share the common concerns on culture construction, but also because the alliance is the developing demand of the two disciplines.