题目

I’m Gina. My grandfather’s name is Frank. He has three daughters and a son. These daughters are my aunts and the son is my father. Each (每个) of my aunt has a child (孩子). So I have three cousins. My father’s name is Eric and my mother’s name is Sally. My aunts are Jane, Mary, and Grace. Jane has a son. His name is Jack. He is 16 years old. Mary has a daughter. Her name is Alice. She is 12 year sold. And my youngest (最小的) aunt is Grace. She has a little baby, Tom. We all love him very much.【1】Frank is Gina’s grandfather.【2】Frank has one daughter and three sons.【不同金属的冶炼方法可能不同，主要原因是（　　）A．金属在自然界中的分布不同B．金属在自然界中的含量不同C．金属在自然界中的存在形式不同D．金属的活动性不同