多项选择题

According to the way of influent entering into the sedimentation tank, inclined tube/ plate sedimentation tank can be classified into ( )
A、horizontal (side) flow
B、upward flow
C、downward (parallel) flow
D、oblique flow

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单项选择题

Giordano Bruno strongly supported Copenicus's idea that the earth was no the center of the universe. Bruno was rewarded by being burned at the stake for this and other ______ ideas.( )

A．practical
B．heretical
C．bibliographical
D．hysterical

单项选择题

查看当前交换机配置的命令是( )
A、show vlan
B、show ipconfig
C、show run