题目

Complete the following passage with the words or phrases in the box. Each can only be used once（将下列单词或词组填入空格．每空格限填一词，每个单词或词组只能填一次）： A．tradition B．similar C．communication D．spread E．hear ofThe Origins of April Fools DayWhat is April Fools Day and where does it come from？It is commonly believed that in medieval（中世纪） France，New Year was celebrated on 1April．Then in 1562，a new calendar was introduced，changing New Year to 1January．With no modern【1】，news travelled slowly and new ideas were 能证明分子在化学反应中可以再分的实验事实是（　　）A．玻璃粉碎B．用自来水制蒸馏水C．分离液态空气得到氧气和氮气D．电解水得到氧气和氢气