quiz shows

• In addition to many public lectures , beginning in 1935 van loon delivered talks on radio ? notably for nbc ? and appeared on information please and other celebrity quiz shows
  除了许多公共演讲外，从1935年起房龙也参加电台谈话节目? ?特别是在nbc电台? ?并在《请报告》栏目和其他一些名人提问节目中出现。