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问题 单项选择题

在拓扑结构上，快速以太网采用（ ）。

A．总线型拓扑结构

B．环型拓扑结构

C．星型拓扑结构

D．树型拓扑结构

答案

参考答案：C

解析：在拓扑结构上，快速以太网采用星型拓扑结构。

选择题

春秋战国时期，学术上形成“百家争鸣”繁荣局面的根本原因是[ ]

A．“春秋无义战”

B．生产力的飞速发展

C．经济飞速发展

D．各学派激烈辩论
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单项选择题

The primary reason for withholding food and fluids from a client who will receive general anesthesia is to help prevent（）

A. constipation during the immediate postoperative period.

B. vomiting and possible aspiration of vomitus during surgery.

C. pressure on the diaphragm with poor lung expansion during surgery.

D. gas pains and distention during the immediate postoperative period.
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