Thebasictraininginfirepreventionandfirefightingshouldincludethepracticalelementswhichshouldallowthetraineestoacquiretheabilityto（）.
A. useself-containedbreathingapparatus
B. usevarioustypesofportablefireextinguishers
C. effectarescueinasmoke-filledspacewearingbreathingapparatus
D. Alloftheabove
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WhichstatementisTRUEconcerningtheventilationofengineandfueltankcompartmentsonuninspectedtowingvesselsusingfuelwithaflashpointof100°F?（）
A. Thereshallbeatleast3ventilatorductsopentotheatmosphere
B. Atleastoneexhaustductshallextendfromtheopenatmospheretothelowerportionofthebilge
C. Atleastoneintakeductshallextendfromtheopenatmospheretothelowerportionofthebilge
D. Onlyvesselsusingfuelwithaflashpointabove110°Fneedventilateengineandfuelcompartments
（）登记簿登记内容统一在“工作日志”中进行登记。
A. 应急业务登记簿
B. 会计差错登记簿
C. 检查人员工作记录
D. 查询查复登记簿
Themaincausesoffireonboardshipsare（）
A. oilleakageinengine-room
B. hotwork(welding,cutting,etc)
C. staticelectricity
D. alloftheabove
WhichstepisNOTgenerallytakenwhengas-freeingatank?（）.
A. Washingthetankinteriorwithseawater
B. Applicationofdegreasingsolvents
C. Removalofcorrosionproductsandsludge
D. Freshairventilation
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