茶叶中富含一种叫茶多酚的物质．为了探究茶多酚对肥胖的抑制效果，研究人员以口服茶多酚配合有氧运动对肥胖青少年体重进行分析探讨．

实验步骤：

①全市中学生中筛选出100名体重相近的肥胖青少年，分为A、B两组．

②研究人员制定了相应的有氧运动方案，实验组在运动的同时，每天按时服用1粒茶多酚胶囊．在观察期间，两组青少年的正常饮食不受限制，不需要特殊的节食．

③12周后，研究者记录两组青少年学生的空腹净重平均值结果如图：

请回答：

    Anna is a Chinese girl . She is ten . She is in London with her parents. She doesn't know much English. She can't speak English well. Sometimes her friends don't understand her .

    It's Sunday morning .She is going to the zoo to see the panda . She is waiting at a bus stop .At the bus stop she asks a boy how to go to the zoo. But the boy can't understand her .Then she takes out a pen and some paper. She draw a panda on it and shows the picture to the boy .The boy smiles and then shows her the way to the zoo.