多项选择题

邮政通信网的结构形式有（）。

A.圆形结构形式
B.网状结构形式
C.星状结构形式
D.复合结构形式

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热门试题

单项选择题

A．Her happiness to be alive.
B．Her happiness to be close to nature.
C．Her optimism about how much knowledge she can gain.
D．Her optimism about the future of mankind.

单项选择题

A．She is going to fight against the problem.B．She feels the school is justified.C．She is proud to be a student.D．She is resigned to what's happening.

A.She
B.
B．She
C.
C．She
D.
D．She
E.