题目内容

What is defined as an area outside sea areas A1, A2 and A3?

AOR-E
B. AOR-W
Coastal and inland waters
D. A4

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Which of the following is a required GMDSS function?

A. Transmit and receive location signals
B. Transmit and receive general communications
C. Both of these
D. None of these

目前应用最为广泛的无损检测方法中,能够发现焊缝内部气孔、夹渣、裂纹及未焊透等缺陷并能留下原始记录的是()。

A. 磁性探伤
B. 超声波探伤
C. 射线探伤
D. 渗透探伤

甲说:节气门拉索调整不当会使自动变速器不能强制降挡;乙说:强制降挡开关故障不会使自动变速器不能强制降挡。以下说法正确的是()。

A. 甲正确
B. 乙正确
C. 甲乙都不正确
D. 甲乙都正确

进入交换机全局模式的命令是()。

A. showrun
B. configureterminal
C. config
D. enable

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