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问题 单项选择题

以下未正确表述“合理选择抗菌药物”的是

A．联合应用要有明确指征
B．皮肤黏膜等局部感染尽量局部用药
C．严格依据适应证和药敏试验结果选药
D．依据药动学信息确定剂量、时间间隔和疗程
E．预防性应用仅限于经临床试验明确有效的少数情况

答案

参考答案：B

单项选择题

天然食品中，营养最完整和易于吸收的是（）。

A.水果 

B.鱼肉 

C.谷物

D.乳类
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单项选择题

TCP/IP (71) layer protocols provide services to the application (72) running on a computer. The application layer does not define the application itself, but rather it defines (73) that applications need — like the ability to transfer a file in the case of HTTE In short, the application layer provides an (74) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (75) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

A. application B. sessionC. physical D. transport
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