(阅读理解， 25 分) I am Mike. There are four people in my family. They're my grandfather, my parents and me. My grandfather exercises every day. He never uses the Internet. He eats vegetables three times a day, but he hardly ever drinks milk. And he watches TV every night. My father is a taxi driver. He's very busy. He never exercises, but he sometimes surfs the Internet. He watches TV on Saturday and Sunday evening. He often eats vegetables and drinks milk. My mother is a housewife.She watches TV twice a day. She never surfs the Internet. She sometimes eats vegetables, but she drinks milk three times a week. Exercise? Of course she does. She exercises every day by doing housework. I'm a first-year college student. I go to school from Monday to Friday. I major in public health. I often exercise. But on Saturday and Sunday, I don't exercise because I have too many assignments to do. I watch TV only on Sunday evening. But I surf the Internet twice a week. I drink milk every day, but I don't like vegetables. My mother often says to me, “Why do you eat so much meat, Mike? It's not good for your health.” But I like it very much. (1) (单选题) ________ sometimes surf the Internet in his family.( ) (2) (单选题) ________ watch TV every day in his family.( ) (3) (单选题) What is Mike majoring in?( ) (4) (单选题) Why doesn't Mike exercise on Saturday and Sunday?( ) (5) (单选题) Mike likes eating ________ very much.( )