当代许多资本主义国家的学者、企业家、政治家意识到，两极分化严重的结果是市场购买力严重不足。这不仅是社会公平问题，而且是经济问题，当消费者无钱消费时，商业企业也就失去了获利的机会。这揭示了（    ）

爱因斯坦谈到自己发现相对论时承认，“对于发现这个中心点所需要的批判思想，就我的情况来说，特别是阅读了戴维·休谟和恩斯特·马赫的哲学著作而得到决定性的进展。”这句话表明（   ）

试回答：

阅读短文，判断正误，用“正确”或“错误”表示。

Little Jack is playing with his friend near a bank. A man stops beside them. The door

opens and a man gets out. He is wearing a mask. There's a gun in his hand. Little

Jack's friend is frightened. But Jack is not. He runs to a policeman. "Please come

quickly," Jack says. "A robber（强盗） is in that bank." The policeman looks at the bank and

laughs. "Oh, good boy！" the policeman says. "But it's Ok. That man is not a robber.

He's an actor.（演员）"