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问题 单项选择题

男性，29岁，左下胸受压，伴腹痛、恶心、呕吐入院。检查：面色苍白，四肢湿冷，脉搏120次/分，血压80/60mmHg，腹腔穿刺抽出不凝血液。应采取正确的处理原则是

A．直接送手术室手术

B．大量快速输液，纠正休克

C．积极抗休克，同时迅速手术

D．休克好转后再手术

E．抗感染、止血

答案

参考答案：C

单项选择题

一般情况下，随着项目的逐渐进展，成本和人员投入水平呈现出①的态势，而项目干系人对于项目最终产品的特征和项目最终费用的影响会②，变更和缺陷修改的费用通常会③。①、②和③分别是（）

A.①先增后减，②逐渐减小，③逐渐增加

B.①先减后增，②逐渐增加，③逐渐减少

C.①先增后减，②逐渐增加，③逐渐增加

D.①先减后增，②逐渐减少，③逐渐减少
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单项选择题 共用题干题

An internet is a combination of networks connected by (1). When a datagram goes from a source to a  (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a  (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet? The decision is based on optimization: Which of the available (5) is the optimum pathway?

空白（3）处应选择（）

A.destinations

B.routers

C.packets

D.computers
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