把下面的分数通分．

$\frac{5}{12}和\frac{1}{24}$

经过建国60年的艰苦奋斗，一个经济繁荣、社会和谐的巨龙崛起于世界东方．下面五组素材从不同角度来描述她，中国地势和地形的特征是（　　）

    A father and his young daughter get on a bus and sit down. The conductor（售票员）comes to them for their money. The father says, "I want one ticket.”Then he gives the conductor some money. The conductor looks at the girl, then he asks, "How old are you?" The father starts to speak. But the conductor stops him, and the girl says, "I am six years old at home, and four years old in buses and trains. Father tells me that.’’ The father's face turns red. He has to take some money out of his bag and gives it to the conductor. The conductor gives him one and a half (半) tickets.