习近平总书记指出,历史是最好的教科书,也是最好的清醒剂和最好的营养剂。泱泱中华数千年治乱兴衰史,为我们炎黄子孙留下了无比丰富而又弥足珍贵的精神遗产和思想文化宝藏。既有“教科书”激励我们学好历史、延续根脉,也有“清醒剂”鞭策我们把握当下、保持警醒,更有“营养剂”启迪我们把握规律、开辟未来。秦朝是中国历史第一个中央高度集权、多民族统一的封建王朝,从争霸七雄到兼并天 General Secretary Xi Jinping pointed out that history is the best textbook and is also the best sober agent and the best nutrient.泱 泱 Thousands of years of history of the rise and fall of China’s chaos, left us a tremendous rich and precious spiritual heritage and ideological and cultural treasure for our grandson. Both “textbooks” inspire us to learn history, continue the root cause, but also “sober agent ” to urge us to grasp the moment, keep alert, more “nutrients ” enlighten us to grasp the law and open up the future. The Qin Dynasty was the first highly centralized and multi-ethnic feudal dynasty in the history of China. From the hegemony of seven powers to the annexation day