Photocopying machines are typically (26)_at various sites in the library, as (27)_computer terminals
that give access to the central catalog and other databases and to the Internet. Your school may also permit students
(28)_laptop computers, with Internet connections, for use in the library. Some schools have computer centers
in the library and in other locations (29)_campus as well. Such centers provide, for student use, a (30)_of
software applications for tasks such as word processing, spreadsheet analysis, database management, drawing, image processing, and drafting.
【題組】30. (A)kind (B)piece (C)type (D)variety