题目

若⊙O的半径为5cm，点A到圆心O的距离为4cm，则点A与⊙O的位置关系是（） A . 点A在圆外 B . 点A在圆上 C . 点A在圆内 D . 不能确定 答案：COur plane is ________ in a few minutes. Please be seated and keep your safe belt fastened.A．turning off B．putting offC．taking off D．getting off