Extreme sports can be divided into two categories: PARK and VERT. The park is a site of a certain size, a platform or other type of equipment, allowing players to compete in the arena. U disk is a contestant's U-shaped half pipe device. The International Standards for Extreme Sports Grounds will be divided into sports arenas in line with international competitive standards and can be used to hold and standardize Class A international competitions. It is simple and suitable for beginners in general B and C facilities competitions Network information, fish and dragon mix, should know the fraud company's network fraud, don't find the wrong "mother-in-law". Advice before resume see about fraud detection, and recruiting expressions they rhyme, read the size of the company's recruitment "network language", to help college students online job, little detours, avoid fraud. Normal big company has a professional human resource department, network recruitment company profile and job description, job requirement, such as specific and often apt, such as responsibility ability request, position in the company, who is responsible for, led by the who, salary, vacation, etc will slice it, one by one. And companies and job descriptions that are too simplistic, general and monotonous may lurk behind a company that is lying. The permanity of time makes movement spatially oriented. Direction is spiritual content rather than the real content, because space motion direction is to form a certain period of time, make the starting position spirit record after compared with the current reality location to determine the current spatial direction. In contrast, spatial orientation is a reality because it has nothing to do with the time period.