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．

为了适应陆地干燥气候，陆地生活的动物一般都有防止水分散失的结构，下列不属于该类结构的是           （  ）

皮拉大沙丘（下图）位于大西洋畔的法国西南部波尔多市(0°34'E．44°50'N)．这里夏季炎热干燥，冬天温和多雨，它的东边是都郁葱葱的森林。皮拉沙丘以每年5米的速度持续向内陆推进。该地景观反映了自然地理环境的（    ）

当今英国女王伊丽莎白二世仍然是英国国家的象征，但国家最高权力却掌握在国会手中，这种政治制度主要得益于英国历史上的法律文件 （   ）