题目内容

平常油管旋塞必须()。

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CISCO路由器操作系统是存放在()

A. FLASH
B. RAM
C. ROM
D. NVRAM

简述全功能银行系统(NOVA)的定义和构成。

中兴宽带网关B200在SOFTSWITCH结构中位于承载层

A. 正确
B. 错误

A committee of four men and five women () to be appointed in this week’s meeting.

A. were
B. was
C. is
D. are

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