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【简答题】
下列各低压配电系统接地型式依次分别为( )、( )、( )、( )、( )系统。
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举一反三
【单选题】Which of the following words best describes the author' s attitude towards China' s high-speed railway plan?
A.
Critical.
B.
Reserved.
C.
Doubtful.
D.
Positive.
【单选题】A large part of a person"s memory is ______ words and combination of words.
A.
by means of
B.
in terms of
C.
in connection with
D.
by way of
【判断题】The meaning of s sentence is the combination of the meanings of the words in the sentence.
A.
正确
B.
错误
【单选题】以下关于路由器配置POS端口的描述中，哪项是错误的
A.
POS是一种利用SONET/SDH提供的高速传输通道直接传送IP数据包的技术
B.
在路由器上插入一块POS模块，路由器就可提供POS接口
C.
POS接口的配置参数有接口带宽、接口地址、接口的链路层协议等
D.
在配置POS接口时，所有参数不用与对端接口的参数保持一致
【单选题】Which group(s) of words are the words in narratives?
A.
firstly, secondly, thirdly, fourthly, last but not least, what is more, besides, furthermore
B.
generally speaking, to begin with, it is commonly believely that, moreover, accordingly, ually, in conclusion
C.
before, after, then, in the beginning, later, in the end, until, while, during, finally
D.
next, then, the following morning, a few hours later, still later, that Wednesday, by noon, when she was seen, before the sun rose
【简答题】The study of the linguistic meaning of words, phrases, and sentences is called s______.
【单选题】关于SDH,以下哪一项描述是错误的?(
A.
SDH不适合提供终端之间的点对点信道
B.
SDH适合提供PSTN交换机之间的点对点信道
C.
SDH不适合提供路由器之间的点对点信道
D.
SDH不适合提供终端与服务器之间的点对点信道
【单选题】以下关于路由器配置POS端口的描述中，哪项是错误的?——
A.
POS是一种利用SONET／SDH提供的高速传输通道直接传送IP数据包的技术
B.
在路由器上插入一块POS模块，路由器就可提供POS接口
C.
POS接口的配置参数有接口带宽、接口地址、接口的链路层协议等
D.
在配置POS接口时，所有参数不用与对端接V1的参数保持一致
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