单选题The Main Library has five floors open to the
public. FOURTH FLOOR: Social Sciences
& History. 300--399, 650--659, 900--999. Law
books are shelved in a separate area--follow signs for the Law
Library. THIRD FLOOR: Humanities.
100--199, 200---299, 400--499, 700--709 & 800--899. SECOND FLOOR: Science and Technology. 500--599, 600--649 &
660--699. FIRST FLOOR: Current
(unbound) Periodicals. An information point is inside the Periodicals
Office. GROUND FLOOR: Reference. General
reference books and bibliographies. The Reference
Librarians on each floor are available to answer queries during office
hours. At other times you can ask at the Issue Desk, on the Ground
Floor. Books are shelved according to size= normal size and
large size. The shelves are color coded to help you identify
them: RED Large
books WHITE Normal size
books YELLOW Large periodicals BLUE Normal size
periodicals Books returned the previous day may be on the
Recent Returns shelves, next to the Reference Librarians' desks.
单选题
If you want to look up a word in a dictionary, which floor would
you go to?