题目内容

布置在锅炉()和()上的过热器称为包复过热器。

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Which statement about IPv6 is true?()

Addresses are not hierarchical and are assigned at random.
B. Only one IPv6 address can exist on a given interface.
C. There are 2.7 billion addresses available.
D. Broadcasts have been eliminated and replaced with multicasts.

应变部署表由三副与开航后根据大副的意图编制。

A. 正确
B. 错误

水泵的吸上高度越大,水泵的入口真空越高。

A. 正确
B. 错误

下面列举的内容不属于教学技术手段的是()

A. 录象.多媒体
B. 录音.录象.VCD
C. 板书.演示实物.演示实验
D. 标本.模型.图表.录象.课件

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