材料一：图I为世界某区域略图。图II为图I中虚线框内放大图。图III为图II中①、②城的降水统计资料。

材料二：智利国土狭长，地形分为东、中、西三部分。中部的陷落谷地大多冲积物深厚，盛产优质葡萄，其人口也主要分布在中部。智利是世界上出口铜矿石最多的国家。

完形填空。

    Tom and his father are 1 in the playground. There is a cat and a dog there.  They are playing with a ball together. “I think the cat is 2 than the dog," Tom says, “I don't think so," his father says. “Why?"  “Because the dog looks 3 than the cat " Tom laughs and says, "But I like the cat.  It is white and it is 4 than the dog. " Tom's father says, “Dogs are my favourite animals because they are very 5 to me " "Yes, but I like smaller ones. Can we keep one?" Tom says. "of course," Tom's father says.