如图漫画中，男女同学之间要保持44cm的规定（    ）

世界格局指的是一种相对稳定的国际关系结构，其解体则是由于这种稳定被打破。20世纪世界格局出现过三次大变动。阅读材料，回答问题。
材料一 较量中的两大军事集团

⑴导致材料一中两大军事集团战争爆发的导火线是什么？它们的较量最终形成了怎样的世界政治格局？
材料二  1942年1月，美、英、苏、中等26个国家的代表在美国首都华盛顿举行会议，共同签署了《联合国家宣言》，保证将用自己全部的人力和物力，联合起来，彻底打垮法西斯国家。而到了1945年5月8日，美国驻苏联参赞凯南说：“人们在欢呼雀跃……他们以为战争结束了，而战争才刚刚开始。”
⑵材料二中26国的联合宣言对二战的进程产生了什么影响？文中“刚刚开始的战争”是指什么？
⑶二战后形成了怎样的世界政治格局？这一世界格局被打破的标志是什么？
⑷在新的世界格局形成过程中，你认为起决定性作用的因素是什么？中国应怎样做才能占据有利地位？

阅读理解
Quick Work
    Ted Robinson has been worried all the week.Last Tuesday he received a letter from the local police.In the letter he was asked to call at the station.Ted wondered why he was wanted by the police,but he went to the station yesterday and he is not worried at more.
    At the station,he was told by a smiling policeman that his bicycle had been found.Five days ago,the policeman told him,the bicycle was picked up in a small village four hundred miles away.It is now being sent to his home by train.
    Ted was most surprised when he heard the news.He was amused (感到有趣），too,because he never expected (指望）the bicycle to be found.It was stolen twenty years ago when Ted was a boy of fifteen.
Answer the questions: