题目

阅读短文，判断正误。 It's aSunday morning. It's sunny. There are many people in the park. Some students areplaying games over there. Two boys are playing football. A girl is flying a kite.Two children are running on the grass. Thereis a house near the lake. Beside the house two men are working. A woman is wateringthe flowers. The flowers are very nice. （1） There are many people in the park on Sunday. （2） The students are playing games in the zoo. （3） The boys are playing football. （4） Two children are flying kites. （5） A woma甲、乙、丙三个旅行团的游客人数都相等，且毎团游客的平均年龄都是32岁，这三个团游客年龄的方差分别是S甲2=27，S乙2=19.6，S丙2=1.6，导游小王最喜欢带游客年龄相近的团队，若在三个团中选择一个，则他应选（ ）A．甲团B．乙团C．丙团D．甲或乙团