“世界上最遥远的距离是，我们俩一起出门，你去买‘苹果’四代，我去买四袋苹果。”要解决这一搞笑微博所折射的我国存在的贫富差距问题，最根本的是要(       )

①随意翻到一本书的某页，这页的页码是奇数；

②测得某天的最高气温是100℃；

③掷一次骰子，向上一面的数字是2；

④度量四边形的内角和，结果是360°．

其中是随机事件的是 ____．（填序号）

    Once there was a father and a son. They were ill-tempered (坏脾气的) and1gave way to others.

    One day the father2to ask some friends to dinner in his house. He 3his son to buy some meat in town. 4the son walked towards the town gate, a man was coming from the outside. The gate wasn't5 enough to let two men in and out at the same time. But neither of 6would give way to the other.

    They stood straight face 7 face inside the gate hour after hour. But the father was8. "What shall I do? My son hasn't 9 yet. I can't wait any more." He wanted to know what was the10with his son. So he 11 his friends at home, and went to town 12his son.

    "You may first take the 13 home for my friends. Let me 14 here against him instead." he said to his son when he knew 15had happened.