两张中国地图，甲图的比例尺是 11000000 ，乙图的比例尺是 11500000 ，那么，甲图上宝鸡到北京的图距是乙图上这两地之间图距的（ ）
In April, the weather in some places in Shanxi was really changeable. People still remember they have _______ four seasons in a week.
和
是方程
的两个根,则
的关系是( )
