设$U=R$，$A=\left\{x\right|x>0\}$，$B=\left\{x\right|x>1\}$，则$A\cap C_{U}B$= （   ）

以下作品中，属于文艺复兴的先驱﹣﹣但丁的代表作品是（    ）

    The bird and the tree are friends．The bird often sings songs in the tree．Autumn comes．The bird has to fly to the south．Spring comes.The bird comes back，but she can’t see the tree．Grass tell her some workers cut the tree down and took him to a factory．Then the bird flies to the factory．The workers told her they cut the tree into wood．They used the wood to make matches．Then they took the matches to a village．The bird flies to the village and sees a girl used the last match to make the fire．The bird sings a sad song to the fire．

某校思想政治学习小组以“聚焦党的十八届五中全会”为主题开展研究性学习，他们收集到了解读《中共中央关于制定国民经济和社会发展第十三个五年规划的建议》的十大关键词，如下表：从梳理的关键词中我们可以推断出（  ）

①***积极履行经济建设、社会管理职能②***是中国特色社会主义事业的领导核心

③***治国理政的智慧和能力与时俱进④***具有历史和法律赋予的执政地位