Guangdong Province,with its rapid economic development,is one of the fastest provinces of china in the progress of urbanization,while its rural development is relatively laged.The main reason of this phenomenon is: the government paid too much attention to the city,but the investment in human capital to the rural areas is insufficient.In this paper,the reason for the phenomenon is briefly analyzed.

Objective To explore the clinical application effect of squamous cell carcinoma antigen (SCC) ,cancer embryo antigen (CEA) and carbohydrate antigen 125(CA125) chemiluminescence combined detection in early diagnosis of lung cancer .Methods The SCC ,CEA and CA125 levels in the patients with early stage lung cancer ,benign lung diseases and healthy subjects undergoing physical examination were detected by using the automatic chemiluminescence immune analyzer .Results The concentrations of three tumor markers in the lung cancer group were significantly higher than those in the benign disease group and control group (P<0 .05);t he concentrations of CEA and CA125 in the adenocarcinoma patients with were significantly higher than those in the patients with squamous cell carcinoma and small cell carcinoma (P<0 .05) .The concentration of SCC in the patients with squamous cell carcinoma was significantly higher than that in the patients with adenocarcinoma and small cell lung cancer (P<0 .05) .The sen-sitivity ,specificity ,positive predictive value and negative predictive value of combined detection of three tumor markers were signifi-cantly better than that of single tumor marker ,and the difference was statistically significant (P<0 .05) .Conclusion The combined detection of SCC ,CEA and CA125 can be used in the early diagnosis of lung cancer and has the promotion value .

This article summarizes the virtual reality(VR) technology's bases and characters and discusses the application scope of VR in modern medicine thoroughly.For example,the application of VR in digitized virtual human,the simulation of surgical operation,long-distance medical diagnosis,virtual hospital,higher medical education technology and so on.It also covers the existing problems and prospect of VR.

It is necessary to pay attention to the quality of mass higher education.We should adapt the evaluation system of higher education to the needs of its managerial system reform and healthy development.The cognition of that can help us to build higher education evaluation system with Chinese characteristics,which not only fits the national condition but also reflects the general rules of this system.