Universities in the US美国的大学
There are thousands of colleges and universities in the United States.美国有上千所学院和大学，
Nearly half of the high school graduates in America go on to college.几乎半数的美国高中生毕业后会继续上大学。
Most go to large state universities.他们多数选择州立大学。
Some of these universities have 40,000 or more students.有的大学学生人数达到四万以上，
There are also many small universities with only a few hundred students.当然也有些小的大学，学生只有几百人。
Large universities have many buildings, each building for a particular subject.大的大学有很多教学楼，每一栋教学楼都有特殊的用途。
Students often must go from one class in one building to the next class in another building across campus.学生们通常在一栋教学楼上完课后要赶去另一栋教学楼上课。
They may have only a few minutes between classes to go from one building to another.两堂课之间只有数分钟供学生赶往。
When students begin the university, they must take classes in many subjects.学生一旦进入大学，就必须学习各类课程。
These are the required courses.这些课程都是必修的，
English and math are usually required courses, and often a history and a science course are required too.比如英语，数学，历史，科学。
Students will study mostly required courses during their first year. Later, they will specialize, and take courses in one subject.他们在一年级修完大部分必修课，之后进入专业课的学习。
