对外开放不能（   ）

将重为5N的小球放入装有6kg水的容器中，静止的状态如图所示，则小球所受浮力的大小为____N。小球的体积为____m³；若向水中加人足量的盐，小球将____（选填“上浮”“悬浮”或“下沉”）。（g取10N/kg）

    Most elephants are grey. Only a few are white. It's difficult to see a white elephant. When people find a white elephant, they feel excited.

    Long ago, a white elephant was taken to the king. Only the king could have a white elephant. And the white elephant must be a very good one. People wanted to take a look at the animal. On its way to the king, the white elephant attracted(吸引) many people. They ran into the street and shouted, “A white elephant is coming!”

    All the people liked the cute elephant. Some gave it water to drink. Others sang songs to the elephant. A boy put a red hat on the elephant's head.

    Then the elephant came to the king. At last the king saw the white elephant. The king gave it a name himself. The elephant ate from gold dishes and it began a new life.

号码分别为101，126，173，193的四个运动员进行乒乓球比赛，规定每两人比赛的盘数是他们号码的和被3除所得的余数．那么打球盘数最多的运动员打了____ 盘．