放学铃后,大家和往常一样说说笑笑走出教室,来到校车等候区,同学们的心情就如欢快美妙的音乐一样。大家一个接一个登上校车,就在大家都要挤上车的时候,美妙的音乐变成了尖利的警报声。这是怎么回事呢?大家这时才发现,校车等候区旁边多了一根立柱,尖利的警报声就是从那发出来的,而且上面还有红色警报灯在闪闪发光。司机叔叔告诉同学们校车超载了,请后面上来的同学下去等候下一趟校车。校车超载造成的事故在各地屡见不鲜,如,2011年11月 After school, we all talked and smiled out of the classroom as usual, and came to the school bus waiting area. The students felt as if they were happy and wonderful music. We boarded the school bus one by one, just when everyone was crowded into the car, the wonderful music into sharp alarm. What happened? At this time, we found that there was an additional column next to the waiting area for the bus. The sharp alarm was sent out from there, and there was a red warning light shining on it. Uncle driver told students school bus overloaded, please come back to the next student waiting for the next bus. Accidents caused by school bus overloading are common in many places, such as in November 2011