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【单选题】
广域网是一种跨越很大地域范围的计算机网络,下列关于广域网的叙述，正确的是A.
广域网是一种公用计算机网，所有计算机可以无条件地接入广域网
B.
广域网像很多局域网一样按广播方式进行通信
C.
广域网使用专用的通信线路，数据传输速率很高
D.
广域网能连接的计算机数目几乎不受限制，也能将相距任意距离的计算机互相连接起来
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皮皮学刷刷变学霸
举一反三
【单选题】当室外给水管网提供的水压、水量和水质都能满足室内用水要求时,可采用哪种给水方式?
A.
单设水箱的给水方式
B.
单设水泵的给水方式
C.
直接给水方式
D.
设水箱、水泵的给水方式
【多选题】Which of the sentences below use the rhetorical device of rhetorical question?
A.
Rouse the Rabble by Routing Reason.
B.
What is there for them in the paper, usually the only paper, of their own?
C.
What features are provided for these people?
D.
To quote Eric Sevareid: “Our rigid formulae of so-called objectivity, . . .the warp and woof of
【单选题】Which of below device has the maximum coverage range（）
A.
AIS
B.
Radar
C.
VHF
D.
LRIT
【多选题】Which of the following sentences apply the rhetorical device of personification?
A.
I had overlooked the necessity of having an “iron will,” … this peculiar metallic quality.
B.
It is not so with me, to whom sleep is a coy mistress, …
C.
I have herded imaginary sheep until they insisted on turning themselves into white bears or blue pigs, …
D.
Discussing the question, … sleep drew the curtain.
【单选题】Which device below is a passive device?
A.
Bipolar junction transistor
B.
MOSFET
C.
Capacitor
D.
JFET
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