下列一组邮票，反映了四个民族的艺术风格，其中主要居住在新疆地区的少数民族是（　　）

B

    Fraser is four years old. He has autism(自闭症). He lives in his own world. Everything is very difficult to him. He doesn't want to play with other children. He doesn't want to say any words to others. His parents are worried about him.

    Then Billy, a cat, comes. It helps Fraser go out of his world.

When Billy sees Fraser, it runs to him quickly. It sits beside Fraser with its paws on Fraser's legs. They seem to be old friends. Fraser says, "This is our cat. He can come to live with us." "I know our life changes," says Fraser's mother.

    Billy stays with Fraser all the time. They play together, listen to the story together and sleep together. When Fraser walks in the garden, Billy is never far away. When Fraser is unhappy, it always lies beside him.

    It seems crazy. But Billy is like Fraser's angel. Fraser changes a lot. The doctor says he is getting better. He doesn't have to see the doctor now.

2015年4月6日，网传毕福剑在饭桌上唱评《智取威虎山》视频，涉及侮辱领袖和军队。4月8日晚，央视发布消息：“毕福剑作为央视主持人，在此次网络视频中的言论造成了严重社会影响，我们认真调查并依据有关规定作出严肃处理。”该事件给我们的启示有（   ）

①时刻加强自身的修养

②行为与后果具有一致性

③坚守基本的道德底线

④要慎言慎行

运用数据图表可以分析社会人口变化现象。据图a、图b回答下列各题。