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问题 单项选择题

合理应用抗菌药物

外科手术2类切口

A．需要预防用抗菌药物
B．治疗性应用抗菌药物
C．不需要预防用抗菌药物
D．预防性应用抗菌药物无效
E．不宜常规预防性应用抗菌药物

答案

参考答案：A

单项选择题

下列哪项不是重症烧伤病人营养支持的目的

A．降低代谢消耗

B．改善免疫功能

C．增加病人脂肪合成

D．预防感染

E．维持细胞代谢
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单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. Heterogeneous network environments consist of computer systems from (66) vendors that run (67) operating systems and communication protocols. An organization that (68) its computer resources is usually (69) the task of integrating its heterogeneous systems. Typically, each deparlment or division has defined its own network needs (70) OS, LAN topology, communication protocols, applications, and other components.

A．same

B．similar

C．different

D．difference
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