1. Subscribing to online databases and acquiring multiple copies of
multivolume reference books and encyclopedias refer to this criterion
a. availability
b. cost
c. environment
d. search
2.A kind of document that can be hold and constitute to actual material
a. broadcast
b. concrete
c. online
d. website
3.In its beginning, older media, including newspapers, radio and television have lost popularity.
a. broadcast
b. database
c. internet
d. printing
​