1.B
根据前句All American school buses are yellow. 所有美国校车是黄色的。可知介绍美国的校车，结合选项，应该说它们很长，有很多窗户。故选B。
2.D
根据后句They usually listen to music, talk on their phones, read books or just sleep on it. 他们通常听音乐,谈论他们的手机,看书或者睡觉。可知，说的是学生在车上可以做的事情。故选D。
3.G
根据后句的举例For example, when the school bus goes on the road, other cars have to make way for the school bus.例如，当校车在路上行驶时，其他汽车必须为校车让路。可知，说的是学生喜欢坐校车的原因，故选G。
4.E
根据前句For example, when the school bus goes on the road, other cars have to make way for the school bus.可知，要避让校车，结合选项，故选E。
5.A
根据后句If some students are late for the school bus, they need to go to school by bus, by taxi, by bike or in their parents' car.如果一些学生迟到了，他们需要乘公共汽车、出租车、自行车或父母的车去上学。可知，说的是校车很准时，结合选项，故选A。
