每天十组表达,帮你日积月累应考,轻轻松松过关! system of ownership 所有制 public ownership 公有制 private ownership 私有制 ownership by the whole people 全民所有制 collective ownership 集体所有制 major events in Chinese history 中国历史上的一些重事件 unification of the country by Emperor Qin Shi Huang 秦始皇统一中国 Opium War (1840-1842) 鸦片战争 Taiping Heavenly Kingdom (1851-1864) 太平天国 the Reform Movement of 1898 戊戌变法