题目

The idea of being able to walk on water has long interested humans greatly.Sadly, biological facts prevent us ever accomplishing such a thing without artificial aid--we simply weigh too much,and all our mm pushes down through our relatively small feet, resulting in a lot of pressure that makes us sink.     However, several types of animals can walk on water. One of the most interesting is the common basilisk Basilicus .Basilicus, a lizard (蜥蜴) native to Central and South America.It can run across water for a distance of several meters, avoiding getting wet by rapidly hitting the在“石头、剪子、布”的游戏中，两人做同样手势的概率是           .