中央党校常务副校长虞云耀日前指出，中国共产党发生了从夺取政权到长期执政的转变，从受外部封锁、实行计划经济到对外开放、发展社会主义市场经济的转变。党的历史方位的这种变化，使得党的领导和执政面对三个方面的严峻考验和挑战。党所肩负的艰巨任务和历史使命对执政能力 Yu Yunyao, executive vice president of the Central Party School, pointed out recently that the CPC has undergone a change from seizing power to long-term ruling, from external blockade, the planned economy to opening up to the outside world and the development of a socialist market economy. This change in the party’s historical position has given the party’s leadership and ruling the face of the severe tests and challenges in three aspects. The arduous task the party shoulders and its historic mission to governing ability