原发性醛固酮增多症可有下述哪些表现（）

A.低血钾

B.高血钾

C.高尿钾

D.低肾素

E.高肾素

Because Web servers are 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.

A．get

B．ignore

C．require

D．offer