题目内容

Ifasteeringmotorbecomesoverloaded,the（）

A. overloadconditionof5%willtripthemotoroffthelineimmediately
B. overloadconditionwillbeindicatedvisuallyinthemachineryspace
C. motorrunningindicatorwillbegintoflash"on"and"off"inresponsetothesustainedoverloadcondition
D. standbysteeringpumpwillstartautomaticallyandcomeontheline

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Biodegradationoftheoilslickinseawaterisassistedbyallthefollowingmarinemicro-organismswhicharecapableofmetabolisingoilcompoundsexcept（）.

A. bacteria
B. moulds
C. yeasts
D. seals

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HowistheMasteroroperatorofavesselrequiredtokeepthecrewinformedoftheregulationsconcerningthedischargingofgarbageoverboard?（）.

A. GiveeachcrewmemberacopyofANNEXVofMARPOL
B. Callanallhandsmeetingbeforesailing
C. Keepplacardsprominentlyposted
D. Haveeachpersonreadandsignacopyoftheregulations

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在下列义项中，“叔”字的本义是（）

A. 用手拾
B. 排行在后的
C. 比父亲年少的父辈

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Self-exciteda-cgeneratorwith"erroroperated"voltagecontrolsystemsdrawthefullexcitationpowerforthemachineterminalsThisdispenseswiththecurrenttransformers,reactorsandcapacitorsnecessaryforaccuratecompounding,butrenderstheexcitationsystemvulnerabletovariationsinitsoutputvoltageWhichofthefollowingiscorrectaboutthegeneratormentionedaccordingtothesentencesabove（）.

A. Itconsumesnoexcitationpower
B. Ithascurrenttransformers
Componentsareneededforaccuratecompounding
D. Itsexcitationsystemisvulnerabletovoltagevariations

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Ifasteeringmotorbecomesoverloaded,the（）

A. overloadconditionof5%willtripthemotoroffthelineimmediately B. overloadconditionwillbeindicatedvisuallyinthemachineryspace C. motorrunningindicatorwillbegintoflash"on"and"off"inresponsetothesustainedoverloadcondition D. standbysteeringpumpwillstartautomaticallyandcomeontheline

Biodegradationoftheoilslickinseawaterisassistedbyallthefollowingmarinemicro-organismswhicharecapableofmetabolisingoilcompoundsexcept（）.

HowistheMasteroroperatorofavesselrequiredtokeepthecrewinformedoftheregulationsconcerningthedischargingofgarbageoverboard?（）.

在下列义项中，“叔”字的本义是（）

A. overloadconditionof5%willtripthemotoroffthelineimmediately
B. overloadconditionwillbeindicatedvisuallyinthemachineryspace
C. motorrunningindicatorwillbegintoflash"on"and"off"inresponsetothesustainedoverloadcondition
D. standbysteeringpumpwillstartautomaticallyandcomeontheline