Historic and recent observational data of SO2 and NOx from Lin’an and Longfengshan background stations, located in the Yangtze Delta and the Northeast Plain region, respectively, are analyzed in order to study the differences in concentrations of these climate-relevant acidic gases between the two regions, and the impacts of anthropogenic emissions on the gases since about one decade ago.

Through the investigation on the developmental situation of village volleyball in parts of Hainan Han region, the author probes into its developmental prospects and characteristics, and presents a concept of initiating the athletics of single volleyball.

Using research techniques and so on literature material,questionnaire survey,expert interview,to Hainan Province Nine-a-side volleyball present situation investigation and studies.