单项选择题

Windows 7文件的目录结构是()。

A.网状结构
B.环型结构
C.矩型结构
D.树型结构

你可能感兴趣的试题

On which of the following would scholars agree, according to Paragraphs 2 and 3?
A．Immigrants have been appraised negatively.
B．Immigrants have worsened social ills.
C．Immigrants have pulled down the average living standards.
D．Immigrants have reshaped the social fabric beneficially.

A.Immigrants
B.
B．Immigrants
C.
C．Immigrants
D.
D．Immigrants
E.

单项选择题

下列属于地方税的税种是()。

A.关税
B.消费税
C.增值税
D.房产税