在函数①y=3x²；②y＝$\frac{1}{2}$x2；③y＝−$\frac{4}{3}$x2中，图象开口按从大到小的顺序排列的是（）

富兰克林•罗斯福是美国历史上第一位利用“炉边谈话”向人民阐释其施政方针的总统。在“新政”期间，罗斯福“炉边谈话”的内容最有可能的是（    ）

   Mr Smith 1from London. Now he is in China. He is 2 .He teaches 3 a middle school. He works very hard. His students like 4 very much. He can 5 a little Chinese . His students often teaches him Chinese 6 Sundays. Mr Smith likes playing football . He often plays football 7 his students.
   Mr Smith8  a son. His name is Jack. He is student. He studies in a middle school. He goes to school  9 bike everyday. He gets back home at four in the afternoon. He likes 10 TV in the evening.