张先生，25岁，用力排便时，肛门有一肿物脱出，不能回缩，伴有疼痛，且便后肛门滴血，张

       司马迁在《史记·秦始皇本纪》中曾经描述秦代的政治制度：“法令出一”“天下之事无大小，皆决于上”这反映了 [ ]

A、皇权至高无上

B、三公九卿互相制约

C、秦律严苛细密

D、丞相大权独揽

病历摘要：患者男，73岁，因突发言语不清、右侧肢体活动受限一天急诊入院。

何时为静脉溶栓治疗最佳时间？ （）

A.3小时

B.4小时

C.5小时

D.6小时

E.7小时

F.8小时

G.9小时

H.10小时

Take it easy. There's still _______ time left.[ ]

A. little

B. a little

C. few

D. a few

A basic premise of OGSA is that everything is (71) by a service: a network enabled entity that (72) some capability through the exchange of messages. Computational resources, storage resources, networks, programs, databases, and so forth are all (73) . This adoption of a uniform service-oriented model means that all components of the environment are virtual. More specifically, OGSA represents everything as a Grid service: a Web service that conforms (74) a set of conventions and supports standard interfaces for such purposes as lifetime management. This core set of consistent interfaces, from which all Grid services are implemented, (75) the construction of hierarchical, higher-order services that can be treated in a uniform way across layers of abstraction.

（73）处填（）。

A．elements

B．objects

C．services

D．capability

在进行话务预测时必须根据（）来调查和收集有有关历史和现状的资料，并进行研究分析。