Because Web servers are platform and application (71) ，they can send or request data from legacy or external application including database．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 application and databases and， (75) all。ease of use．

A．off

B．offer

C．office

D．officer

患儿，10岁，咳嗽、咳痰、咽痛2日就诊。检查发现白细胞增高，确诊为呼吸道感染。

为维持有效血药浓度，应该（）

A.首剂加倍剂量

B.缩短给药间隔

C.增加药物剂量

D.按照药物t制定给药方案

E.同服药酶抑制剂