Because Web servers axe platform and application (71) , they can send or request data from legacy or external applications including databases. All replies, once converted into (72) . mark-up language, can then be transmitted to a (73) .Used in this way, Intranets can (74) lower desktop support costs, easy links with legacy applications and databases and, (75) all, ease of use.
（75）处填（）。
A．abort
B．about
C．above
D．Around