My friend Tony is an American1 . He is ten years old. He lives2his family in China now. There are3 people in his family; his mother Mrs. Green, his father Mr. Green and his little sister Amy. He has a white cat.4name is Betty. Look！Amy is playing5 Betty. His father, Mr. Green, is watc­hing TV. His mother is doing housework. What about Tony? He is doing6Chinese homework. He can't  7Chinese well, but he likes Chinese very much. Tony's8works in a TV station. His father works in a school as an9 teacher. Tony and his sister  10 to the same school.

下列关于海陆分布的说法，正确的有：
①两极周围均是陆地  ②陆地主要集中在北半球 ③东、西半球海陆分布比较均匀
④除了北冰洋以外，其他大洋均跨南、北半球

将颗粒完整饱满的种子分成甲乙两组，在25℃左右下分别播种，甲组种在肥沃湿润的土壤里，乙组种在贫瘠湿润的土壤里，这两组种子的发芽状况是（  ）