How long must the records of tests and

1、Nobody knows how long and how seriousl

Nobody knows how long and how seriously the shakiness（不稳定） of big businesses will （） down the economy.AputBsettleCdragDknock

2、How long must GMDSS Radio Logs be reta

How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）A6 monthsB1 yearC2 yearsD3 year

3、Bridge orders must be （） and a record

Bridge orders must be （） and a record of any required changes in speed and direction should be kept.Aslowly carried awayBcarried out with a period of delayCpromptly carried outDpaid by the captai

4、The record of tests and inspection of

The record of tests and inspection of fire fighting equipment on board a ship must include（）.Athe name of the person conducting the testBthe weight of the chargeCrecommendations for the next testDAll of the above

5、How long must the GMDSS radio log be r

How long must the GMDSS radio log be retained on board?（）AAt least two years after the last entryBAt least one year after the last entryCAt least 90 days after the last entryDAt least 30 days after the last entry

6、Records of tests and inspections of a

Records of tests and inspections of a cargo vessel’s fire extinguishing systems shall be（）on board until the vessel’s Certificate of Inspection expires.AconsealedBdetainedCcontainedDkept