下面说法中,正确的是()A.因特网起源于美国军事网络,其目的是为了保密信息的安全传输

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问题:

下面说法中,正确的是()

A.因特网起源于美国军事网络,其目的是为了保密信息的安全传输

B.目前的因特网非常安全

C.在因特网上破坏保密信息并不困难

D.在因特网中传输信息,从起始点到目的点时不经过中间环节

考点:电子商务师2006年电子商务师资格考试真题试卷三
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                                            被尊奉为中 * * 的人文始祖。

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测量一个约8N的力时,应选用最合适的弹簧测力计是(  )

A.量程15 N,分度值0.5 N

B.量程lO N,分度值0.2 N

C.量程5 N,分度值0.1 N

D.上述三个弹簧测力计都可以

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文件系统实现按名存取,主要是靠( )来实现的。

A.文件路径

B.查找位示图

C.查找文件目录

D.访问矩阵

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先天性愚型是一种常见的人类遗传病,致病的原因是()

A.基因突变

B.基因重组

C.染色体变异

D.营养不良

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