On the singular level, it is the relation of his economics to his ethics; On the particular level, it is the relation of capitalistic economy to capitalistic ethic; On the universal level, it is the general relation of economy to ethic in human society.

The challenges of genetic ethics include genetic primacy protection,anti-discrimination of genetic heritage,germ cell using in genetic treatment,HART "playing God",human clone and safety of transgenic technology,in five aspects of genetic test,genetic treatment,genetic reproductive,genetic clone and genetic ecology.

English synonyms and synomorphemes:their three levels, historical causes and stylistic differences;

Then, with the three levels of the causes of the development of the Chinese information of logistics, we analysis the development of the RFID in China from the level of technology, the level of enterprise and the level of supply manage- ment.

In order to further implement the scientific concept of development and promote Tianjin in good,fast economic development,we must co-ordinate from three levels: Binhai District as the leading area,the Center City District as overall improvement and all the districts and counties of jointed,coordinated and high-speed development.

From the points of tourism resource development and utilization,tourism resource can be divided into three aspects: natural tourism resources,historical human tourism resources and modern artificial tourism resources.