划一个边长三米的正方形,在每个角上画一个直径二尺的圆圈。游戏有五个小朋友参加,四个人每人占一个角,圆圈中间留一人。游戏开始时,四个站在圆圈内的人要随老师口令交换位置,中间的那个人寻找机会,乘他们交换时去占领他们的圆圈。如果圆圈被人占了,就留在圈外, Draw a square three meters long and draw a circle two feet in each corner. There are five children to participate in the game, four people each occupy a corner, leaving one in the middle of the circle. At the beginning of the game, four people standing in a circle are required to exchange positions with the teacher's password, and the middle one looks for opportunities to occupy their circle as they are exchanged. If the circle is accounted for, to stay outside the circle,