As a member of the International Olympic Committee, I am delighted to have been invited to your school to talk to you about the history and ____ of the Olympic Games.
五四运动中,上海一家商店挂出这样一幅对联:“罢学救亡,罢市救亡,我两界挺身而起;民心不死,民国不死,援诸君努力而行。”这幅对联中没有反映出的历史信息是( )
现在,越来越多的志愿者和广大市民放弃个人的休息时间,活跃在大街小巷,宣传“文明出行”、“低碳出行”、“文明公约”,制止横穿马路和绿化带、翻越护栏、闯红灯等行为。志愿者和广大市民的行为说明( )