阅读理解。 Like school in China, American schools begin in September (九月) after a long summer holiday. There are two terms in a school year. The first term is from September to January and the second is from February (二月) to the start of June (六月). Usually American children begin to go to school when they are five years old. Most students are seventeen or eighteen years old when they finish high school. But unlike middle school students in China, high school students in America take only four or five subjects each term. They usually go to the same classes every day and have homework for every class. After class they do all kinds of interesting things. After high school, many students go to college . They may go to a small or a large one. They usually have to pay a lot for their higer education. So lo ts of students after school to make money for their studies. 1. In America, summer holiday lasts (持续) _____. A. one month B. two months C. three months D. more than three months 2. Students only stay at school for about _____ years before they go to college. A. five B. six C. twelve D. fourteen 3. The word 'college' means '_____' in Chinese. A. 大学 B. 公司 C. 研究院 D. 工厂 4. Many American students work after class, because they _____. A. want to see interesting things B. have to help the other people C. want to make more friends D. have to get money for their studies 5. The passage is mainly (主要地) about _____. A. the differences between schools in China and in America B. schools in China C. schools in America D. American students' school life.