［编者按〕头脑奥林匹克竞赛（简称OM），在美国被看作是培养未来美国人的途径之一。上至美国总统，下至平民百姓，都十分赞赏这一活动给青少年带来的挑战，以及组织着独到而有远见的思想。我国一些省市已经参加OM活动并取得了可喜的成绩。为了让读者了解和参与这项活动，本刊 [Editor’s note] The Mind Olympiad (OM) is seen in the United States as one of the ways to train future Americans. Up to the President of the United States and down to the common people, all greatly appreciate the challenges this activity poses to young people and organize unique and far-sighted ideas. Some provinces and cities in our country have participated in OM activities and made gratifying achievements. In order to allow readers to understand and participate in this event, this issue