Aseamanleavesavesselbeforeitsailsfromaforeignport.HeinformstheChiefOfficerthathewon’treturn.Afterthevesselsails，theChiefOfficerfindstheseaman’sworkclothesinhislocker.HowshouldtheMasterhandlethismatter?（）
A. Logtheseamanasadeserter
B. Logtheseamanasafailtojoin
C. Logtheseamanformisconduct
D. Takenoaction
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Ifthechemicalanalysisofalubeoilsampletakenfromadieselengineindicatesanincreasedneutralizationnumber,the（）.
A. acidityhasincreased
B. viscosityhasdecreased
C. demulsibilityhasimproved
D. foamingisguaranteedtooccur
满堂脚手架和模板支架荷载效应的基本组合应为（）。
A. 由永久荷载效应控制的组合：永久荷载＋0.7可变荷载＋0.6风荷载
B. 由永久荷载效应控制的组合：永久荷载＋可变荷载
C. 由可变荷载效应控制的组合：永久荷载＋可变荷载
D. 由可变荷载效应控制的组合：永久荷载＋0.9（可变荷载＋风荷载）
E. 由可变荷载效应控制的组合：永久荷载＋0.9（施工荷载＋风荷载）
Aseamanmayhaveallorpartofhiswagesdepositedbyallotmenttoabankorsavingsinstitution.WhichofthefollowingisNOTarequirementforthistypeofallotment?（）
A. Theaccountmustbeeitheracheckingorsavingsaccount
B. TheinstitutionmustbeinsuredbytheFSLICorFDIC
C. Theaccountmustbeopenedbytheseamanandmaintainedintheseaman'sname
D. Alloftheabovearerequirements
显示系统硬件配置，用下列（）命令启动镜像文件。
A. showstartup
B. showrunning
C. showconfig
D. showversinon
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