Based on thoroughly analyzing the the diagnostic of mineral resources,the probability and basic approaches of realizing the sustainable exploitation of mineral resources has been studied.

The article summarizes the status of China' s petroleum consumption in 40 years and future growth trends, analyzes main risks facing China' s future petroleum safety supply and puts forward major principle and basic approach to accelerate the construction of China' s muitielement petroleum safety supply system.

There are four basic approaches for moral education in vocational schools, they are classroom teaching, living practice, personal relationship and moral education appraisal .

The thesis discusses how harmonious teacher-student relationship promotes teaching results,and puts forward some basic approaches to establish harmonious teacher-student relationships.