In determining a safe speed（）shall not be among those taken into account.
1、A vessel shall slacken her speed，stop，
A vessel shall slacken her speed，stop，or reverse her engines，if necessary，to（）.Aavoid collisionBallow more time to assess the situationCbe stopped in an appropriate distanceDAll of the above
2、In determining safe speed，the Rules li
In determining safe speed，the Rules list all of the following as factors which must be taken into account EXCEPT the（）.Alimitations of radar...
3、A vessel must proceed at a safe speed（
A vessel must proceed at a safe speed（）.Ain restricted visibilityBin congested watersCduring darknessDat all time
4、A vessel engaged in（）shall not impede
A vessel engaged in（）shall not impede the passage of any other vessel navigating within anarrow channel or fairway.Amine clearance operationBtowing operationCdredging or surveying or underwater operationDfishing
5、A vessel（）a crossing vessel，shall not
A vessel（）a crossing vessel，shall not normally enter a separation zone or cross a separation line.AincludingBinclusive ofCexcept thatDother tha
6、A sailing vessel shall not impede the
A sailing vessel shall not impede the safe passage of a（）.Apower-driven vessel following a traffic laneBpilot vessel enroute to a pilot stationClaw enforcement vesselDAll of the above