AsafetymanagementsystemthatsatisfiestherequirementsoftheISMCodeisasystemofpreventiondesignedtopreventpollutionandimprovesafety.Thesafetymanagementsystemshallincludethefollowingfunctionalrequirements,pleasefindoutthenonapplicablefunction（）.
Asafetyandenvironmentalprotectionpolicy;
B. Instructionsandprocedurestoensuresafetyoperationofshipsandprotectionoftheenvironmentincompliancewithrelevantinternationalandflagstatelegislation
C. Provideaguaranteethattherewillneverbeanotheraccidentortechnicaldefect
Definedlevelsofauthorityandlinesofcommunicationbetweenandamongst,shoreandshipboardpersonnel
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直流工作接地的作用是什么（）。
A. 利用大地作为通信回路
B. 用大地做供电回路
C. 减少通信回路间的串音
D. 抑制通信线路中的电磁干扰
短信B表中需要重点关注的短信指标有（）
A. 短信提交总量
B. 手机提交的短信量
C. 向短信中心提交的点对点短信量
D. 短信全程接通率
Whichmethodlistedbelowisacceptablebyclassificationsocietytoperformhosetestingtoweathertighthatchcoversandclosingappliances（）
A. Thisistobecarriedoutatamaximumdistanceof1,5mwithahosepressurenotlessthan2,0kgf/cm2.Thenozzlediameterisnottobelessthan12mm.
B. Thisistobecarriedoutatamaximumdistanceof1,5mwithahosepressurenotlessthan3,5kgf/cm2.Thenozzlediameterisnottobelessthan5mm.
C. Thisistobecarriedoutatamaximumdistanceof1,5mwithahosepressurenotlessthan4,0kgf/cm2.Thenozzlediameterisnottobelessthan8mm.
D. Thisistobecarriedoutatamaximumdistanceof2,0mwithahosepressurenotlessthan2,0kgf/cm2.Thenozzlediameterisnottobelessthan12mm.
厂房在正常温度和湿度状态下加工非燃烧物质和材料的生产车间称为（）。
A. 冷加工车间
B. 热加工车间
C. 恒温车间
D. 洁净车间
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