A window cleaner was cleaning windows on the fifteenth floor of a skyscraper when he slipped and fell. He suffered only minor bruising. How was this possible when he was not wearing a safety harness and nothing slowed or interrupted his fall
【参考答案】
He was inside the building.[解析] 题干中描述了一个正在擦拭摩天楼第十五层的窗户的人滑倒摔了......