材料二：孔子一生中有一大半的时间是从事传道、授业、解惑的教育工作。相传他有弟子三千。他创造了卓越的教育、教学方法，提出了一系列有深远影响的教育思想。《中华人民共和国教师法》明确规定了教师的资格、任用、培养和培训等要求。

下列四幅图片记录了第二次世界大战后的历史，它们反映的同一主题是(   )

    This morning Jenny, Linda, Mary, Alice and Sally found five bags. Jenny found a brown bag in Classroom 208. In the bag is ____. Linda found a purple bag in Classroom 306.In the bag is ____. Mary found a green bag in Classroom 409.In the bag is ____.Alice found a red bag ____.In the bag is a yellow pencil. Sally found a blue bag ____.In the age is a watch.