Through questionnaire investigation we indicate how referrer s characteristics(tie strength and perceived expertise) influence consumers attitude to referral and so does consumers purchase decision in virtual community.

Objective To probe into the professional knowledge that hemodialysis nurse specialist should be equipped with,and to provide bases for setting up training content so as to develop nurse specialist of hemodialysis.

The survey includes professional knowledge, profession.

The survey results shows: the professional knowledge of middle school teachers and pre-service teachers is not good,most of which is under the Pass level;and there are significant differences between knowledge of middle school teachers and tha.

During the process of concept teaching in advanced mathematics,mathematics is appropriate- ly combined with major knowledge,adopting such mode of thinking as from major to mathematics concept then to major.

Significance of property incorporating specialized knowledge into the teaching of basic courses;

Its main connotation is strongly reflected in the level of English specialized knowledge,the training of English language skill,and the emotion and attitude towards English specialization.

As far as the nature and structure of editing, an editor s specialized quality includes three aspects: 1) specialized knowledge, involving knowledge on society, human, some special subjects and editing; 2) specialized ethic, involving five relationships and two ethic levels; 3) specialized ability, concerning general ability and specific ability.