All charts and publications should be

1、Which channel and mode should be used

Which channel and mode should be used when initiating a distress alert transmission（）.AChannel 6 DSCBChannel 6 RadiotelephonyCChannel 13 Radiotelephony and channel 16 DSCDChannel 70 DSC

2、All dunnage planks and mats must be se

All dunnage planks and mats must be sent to board（）commencement of loading.Aprior toBduringCin the period ofDafterward

3、Charts should be corrected by using in

Charts should be corrected by using information published in the（）.ALight ListBAmerican Practical NavigatorCNotice to MarinersDCoast Pilot

4、The fuel pipes and ducts should be blo

The fuel pipes and ducts should be blown with （）.AatmosphereBthe fresh waterCcompressed airDchemical compound

5、Each journal and pin should be examine

Each journal and pin should be examined for （） and grooving.AbridgesBrecessesCrearsDridging

6、All personnel should be familiar with

All personnel should be familiar with the lifeboats （）Aboarding and operating proceduresBmaintenance scheduleCnavigational systemsDfuel consumption rate