小题1:A
小题1:C
小题1:B
小题1:D
小题1:A
小题1:根据第一段At 18, many American young people go off on their own. 可知选A
小题1:根据第一段Children as young as 2 begin to put away their toys and dress themselves.可知选C
小题1:联系上下文可知此处指的是零花钱以外的钱，故选B
小题1:根据第二段If the child wants money besides his or her allowance, it must be made by doing extra chores.可知选D
小题1:这篇短文主要描述了美国人从孩子很小的时候就开始培养孩子独立生活的能力，故选A