听短文,选择最佳答案。 1. How many meals do many Americans have? [ ] A. Two. B. Three. C. Four. 2. When do most Americans have lunch? [ ] A. At 11:00. B. At 12:00. C. At 12:30. 3. Why do some Americans eat a sandwich (三明治) for lunch? [ ] A. Because they are busy. B. Because they are full. C. Because they like sandwiches. 4. Which meal is the biggest in America? [ ] A. Breakfast. B. Lunch. C. Supper. 5. How do Americans usually eat dinner? [ ] A. With their friends. B. With their family. C. Out with their family.