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问题 不定项选择

一般资料：求助者，男性，16岁，初中二年级学生。

对求助者进行了WAIS-RC测验，结果如下。

根据测验结果，求助者的成绩低于常模平均数一个标准差的分测验项目是（）。

A.算术

B.词汇

C.填图

D.积木

答案

参考答案：A

单项选择题

Both bus and tree topologies are characterized by the use of multipoint（）．For the bus，all stations attach，through appropriate hardware（）known as a tap，directly to a linear transmission medium，or bus．Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the（）．A transmission from any station propagates the length of the medium in both directions and can be received by all other（）．At each end of the bus is a（），which absorbs any signal，removing it from the bus．

For the bus，all stations attach，through appropriate hardware（）known as a tap，directly to a linear transmission medium，or bus．

A．processing

B．switching

C．routing

D．interfacing
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单项选择题 A型题

预防消化道传染病的最主要措施是（）

A.切断传播途径

B.预防注射

C.隔离治疗患者

D.隔离治疗带菌者

E.预防性服药
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