Whenarefrigerationcompressorisinthe‘off’cycle,thethermalexpansionvalvewill（）.
A. alwaysbewideopenwhenthecompressorrestarts
B. continuetooperateasifthesystemwereinoperation
C. remainopenuntilevaporatorpressureequalizes,thencloseuntilthecompressorrestarts
D. alwaysbecompletelycloseduntilthecompressorrestarts
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Inordertoreduceyourwakeinanarrowchannelyoushould（）.
A. applyenoughruddertocountertheeffectofthecurrent
B. changeyourcoursetoazigzagcourse
C. reduceyourspeed
D. shifttheweighttothestern
照明系统调试检查工作主要内容：绝缘检查、（）检查、（）检查、接线错误检查等。
A. 开路；短路
B. 断路；
C. 满载；开路
D. 短路；满载
Mainsteamandexhaustpipesforwinchesandsimilargearshallnotpassthroughcrewaccommodationnor,whenevertechnicallypossible,throughalleywaysleadingtocrewaccommodation;wheretheydopassthroughsuchalleyways,theyshallbeadequately（）.
A. ventilatedandtagged
B. ventilatedandcooleddown
C. insulatedandencased
D. insulatedandwarmedup
使用“6870农信银账户余额查询”交易查询存折余额的时候，需要录入以下哪些内容（）。
A. 账号
B. 存折印刷号
C. 存折册号
D. 存折打印余额
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