一、单项选择题1 1999年 9月 19日～ 2 2日 ,党的十五届四中全会在北京举行 ,会议审议通过了《中共中央关于改革和发展若干重大问题的决定》 ,《决定》指出 :是整个经济体制改革的。 (　　 )Ａ 政府机构　国有企业改革　重要环节Ｂ 国有企业　国有企业改革　中心环节Ｃ 政府机 I. Single-choice questions 1 From September 19 to February 22, 1999, the Fourth Plenary Session of the 15th CPC Central Committee was held in Beijing. The meeting reviewed and passed the “Decision of the Central Committee of the Communist Party on Major Issues of Reform and Development” and “Decision”. Point out: It is the reform of the entire economic system. () A Government agencies State-owned enterprise reform Key links B State-owned enterprises State-owned enterprise reform