一场别具一格的比赛从四(2)班的教室里传出一阵震耳欲聋的欢呼声。这是怎么回事呢?原来班里正在进行一场有趣的比赛。比赛前,姬老师先介绍了一下规则:“双手交叉在胸前,身体站直不能前倾,当我喊‘一!二!左手!’或‘一!二!右手’时你们就伸出相应的手去抓桌子上的橡皮,先抓到的人获胜。”我观察了一下桌子中间的橡皮。它是一块圆柱形的黄绿相 A deafening cheer came from a classroom of four (2) classes in a unique game. What’s going on? The original class is undergoing a fun race. Before the game, Ji teacher first introduced the rules: “hands crossed in the chest, the body can not stand straight forward, when I call ’one! Two! Left!’ Or ’one! Two! The corresponding hand grabbed the eraser on the table and the first caught person won. ”I looked at the eraser in the middle of the table. It is a cylindrical yellow-green phase