听第二篇短文，回答第16至20小题。
(
B
)16. Where can a student find old magazines?
A. On Level Two.
B. On Level Three.
C. On Level Four.
(
C
)17. How many books at most can a student borrow from the library?
A. Two.
B. Three.
C. Five.
(
A
)18. What is told about the library?
A. Film collections and open hours.
B. Video collections and library rules.
C. Map collections and library websites.
(
C
)19. When can a student borrow books from the library?
A. At 9:00 a.m. on Sundays.
B. At 9:00 p.m. on Saturdays.
C. At 9:00 p.m. on Fridays.
(
A
)20. What is the speaker's purpose?
A. To introduce the library.
B. To invite students to work in the library.
C. To suggest about how to borrow books.
