Schools within the University: School of Architecture, School of Engineering and Applied Science, Woodrow Wilson School of Public and International Affairs.

　　Library

　　Princeton University Library consists of the Firestone Library and nine buildings across campus. The library's collections include more than 8 million books and impressive rare books, prints and other materials that require special handling. The library's extensive electronic resources include databases and journals, images and digital maps. Exhibitions from the library's rich collections are free and open to the general public.

　　Campus Life

　　A vast range of cultural, educational, athletic and social activities are available to Princeton students. Getting involved in campus life is the quickest way to become a part of the University community, and to create one's own Princeton experience. Campus life activities are built around the concepts of encouraging each community member to display his or her talents and to learn to respect all members of our community.

　　Aid Program

　　 Our aid program is designed to encourage all qualified students-regardless of financial circumstances-to consider applying for admission to Princeton. Any family, who feels they may need help to pay for a Princeton education is welcome to apply for aid.

21. What makes Princeton University outstanding among research universities?

　　A. Its long history. B. Its wide range of courses.

　　C. Its ambition to be the best. D. Its undergraduate teaching.

22. What can you enjoy as a Princeton University student?

　　A. Free undergraduate education. B. Access to rare books and databases.

　　C. Free membership of sports clubs. D. Material benefits of the University community.

23. The aid program of Princeton University is intended for________．

　　A. poor families

　　B. qualified applicants unable to afford to pay for Princeton

　　C. students admitted into university

　　D. top students with money problem

　B

　　Alex knew colors and shapes. He learned about 150 English words. With his language ability he made himself to be known as perhaps the world's most famous talking bird. But Alex, a parrot, died two weeks ago when he was 34. Irene, a psychologist(心理学家) at Harvard university, studied and worked with the parrot for more than 30 years.

　　In 1977, Irene, then an excellent student in chemistry at Harvard, bought Alex from a pet store. At that time, scientists were not quite sure whether birds could learn to speak with humans. But using the ways of teaching, Irene helped Alex to count small numbers, and to learn about 150 words, as well as colors and shapes. In the lab, Irene would give Alex small reward, like a grape. Alex learned to ask for the grape by watching what Irene was doing to get it. Irene then worked with the bird to help him with pronunciation.

Alex learnt very fast. For example, when he was shown a blue paper circle, he could tell what color the paper was, what shape it was, and after touching it, what it was made of. Like other