患者男性，72岁。慢性咳嗽、咳痰20年，活动后气急5年，反复双下肢水肿2年。3天前症状加重并出现意识模糊入院。查体：嗜睡、球结膜水肿，口唇发绀，BP120/85mmHg，R26次/分，P106次/分，无颈静脉怒张，双肺可闻干湿啰音，心脏不大，肝脾未触及，双下肢轻度指凹性肿，双侧腱反射减弱。

对该患者应立即采取的治疗措施有（）

A.静推强心剂

B.抗感染治疗

C.低流量吸氧

D.肌注安定

E.机械通气

F.扩张支气管

XML is a (71) language for documents containing (72) information.

Structured information contains both content(words, pictures, etc.)and some indication of what role that content plays(for example, content in a section heading has a different meaning from content in a footnote, which means something different than content in a figure caption or content in a database table, etc.). Almost all documents have some structure.

A markup language is a (73) to (74) structures in a document. The XML specification defines a standard way to add markup to (75) .

（73）处填（）。

A．algorithm

B．arithmetic

C．mechanism

D．mechanistic