题目内容

信号设备不考虑直接雷击设备的防护,只对雷电感应过电压进行防护。

A. 正确
B. 错误

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更多问题

The IT department requested a report to list each server name and the name of each department that utilizes resources from each server. You create a tabular layout that breaks on the server name. You ran the report and noticed that the department field is too large for most of the department names. Which field size setting would you use to allow the field to be smaller but not larger than the field layout size?()

A. Fixed
B. Expand
Contract
D. Variable

人格发展阶段理论认为,与主动感相对应的是()。

在实验内容设计过程中,要尽量选择什么物品做实验?()

A. 无公害、无毒或低毒的物品
B. 实验的残液、残渣较多的物品
C. 实验的残液、残渣不可回收的物品

相同条件下放坡开挖沟槽,可采用最陡边坡的土层是()。

A. 经井点降水后的软土
B. 中密砂土
C. 硬塑黏土
D. 硬塑粉土

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