题目内容

TheMariner’sHandbook()generalinformationaffectingnavigationandiscomplementarytotheSailingDirections.

A. giving
B. give
C. gives
D. given

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Theneedlevalveinafuelvalvewill()whenthefuelpressureactionontheneedlevalvetaperedfaceexertsaforcelowerthanthatofthespringcompression.

A. bejammed
B. beopened
C. beseated
D. bebroken

RCS-921A装置TV断线指示灯,在以下情况下以亮()

A. 发生电压回路断线
B. 控制回路断线
C. 直流电压消失

系统中设定的受托理财赎回规则包括()。

A. “可赎回”
B. “可部分赎回”
C. “不可部分赎回”
D. “不可赎回”

Alatitudelinewillbeobtainedbyobservingabody().

A. ontheprimevertical
B. onthecelestialhorizon
C. atlowertransit
D. ontheGreenwichmeridian

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