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【单选题】
关于Windows系统的文件名描述正确的是( )。A.
可长达255个字符,无须扩展名
B.
可长达255个字符,同时仍保留扩展名
C.
文件主名只能为8个字符
D.
文件名中不能有空格出现
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【简答题】一个由若干个电阻组成的无源二端网络,可以等效成一个 ,这个电阻叫做该二端网络的 。
【简答题】集装箱货流的四种组织形式是:( )、( )、( )、( )。
【单选题】Laura _____ in this school since she came to China. [ ]
A.
is studying
B.
was studying
C.
will study
D.
has studied
【单选题】Which statement is TRUE concerning insulating flanges ________．
A.
They should be inspected and tested periodically to ensure that the insulation is clean and in good condition
B.
Switching off a cathodic protection system may be substituted for using an insulating flange
C.
The measured resistance value after installation should be less than 1，000 ohms
D.
After the insulating flange is installed，hot work may be performed on deck
【简答题】请简述DRNC820业务处理子系统的数据处理单元的实现单板，功能模块组成及作用
【单选题】Speaker A:Which school are you studying in? Speaker B:____________________________.
A.
I am studying in Fuzhou Vocational School
B.
I am from China
C.
I am very happy
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