"Early to bed, early to rise makes people healthy, wealthy(富有的)and wise(聪明的). "

    This is an old English saying. Children should have ten hours' sleep every night, or they can't do their work very well. They will not be wise, either. The body needs exercise. Walkin9, running, swim-ruing and playing ball games are all exercise. Exercise keeps the body strong and makes the mind bright.

“三·一八”惨案在当时是一件震惊中外的大事。事件发生后，全国人民都对段祺瑞政府进行指责、抨击，要求严惩凶手，公祭烈士。请你为烈士拟一条挽联，表达对烈士的崇敬之情、怀念之情，以及对反动政府的批评和痛恨。

读地球公转演示图（支架顶部的十字架代表“太阳光线”），完成下题。

人们回望60年前的一次国际会议，不禁感怀周恩来总理发挥他个人的巨大魅力和外交机智改变了会议的航向，将会议引向“求同存异”精神的胜利。这次会议是（   ）