在平面直角坐标系:xOy中,设A、B、C是圆x2+y2=1上相异三点,若存在正实数λ,μ,使得OC→=λOA→+μOB→,则λ2+(μ﹣3)2的取值范围是( )
Officials from China and France formally promised on Thursday to build a new type of economic partnership, while ________ business cooperation.
①履行义务是公民根本的行为准则
②公民在法律面前人人平等
③公民没有超越宪法和法律的特权
④个人利益要服从国家利益