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问题 单项选择题

简单型的输入输出扩展机通过（）接口与主机通信，并安装在主机旁边，在小型可编程序控制器的输入输出扩展时常被采用

A、串行

B、双口存储器

C、双口寄存器

D、并行

答案

参考答案：D

单项选择题

The head nurse is observing a new graduate nurse instill eye drops into a client's eyes. The head nurse evaluates that the new graduate is using appropriate technique when which of the following steps is incorporated into the procedure

A．The client is instructed to apply pressure to the eyes after instillation of the eye drops.

B．The nurse's hand is stabilized on the client's forehead while instilling the drops.

C．The medication is placed onto the client's sclera.

D．The client is instructed to look at the nurse while the drops are being instilled.
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单项选择题

“合格寝室”的标准为月平均（）分以上，且每次得分不低于（）分，平时的检查中无“不合格”记录？

A、80；70

B、80；65

C、70；65

D、70；60
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