题目内容

特高压线路保护后备距离保护I段的暂态超越应小于()。

A. 5%
B. 8%
C. 10%
D. 12%

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Which of the following contribute to congestion on an Ethernet network?()

A. Use of full duplex mode.
B. Creation of new collision domain.
Creation of new broadcast domain.
D. Addition of hub to the network.
E. Use of switches in the network.
F. Amount of ARP or IPX SAP traffic.

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当中毒物质不明时可选用()洗胃

A. 牛奶或蛋清水
B. 液体石蜡
C. 清水或生理盐水
D. 10%活性炭悬液

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