There is a()mine in position 50°N,30°W.
A、drifting
B、drifted
C、drift
D、draft
A、drifting
B、drifted
C、drift
D、draft
A、report B、reports C、reported D、reporting
A、has nothing to do with navigation B、dangerous to navigation C、the mine is drifting with the wind D、the mine is not sighted by the vessel
A、There is a non-bootable CD in the CD-ROM drive. B、There is a non-bootable DVD in the DVD-ROM drive. C、There is a non-bootable Blu-Ray in the Blu-Ray drive. D、There is a non-bootable floppy in the floppy drive.
A、A.In times of heavy weather, it is extremely dangerous if a seaman is not enough tall B、B.In times of heavy weather, it is extremely dangerous if a crew is very short C、C.In case of bad weather, it is particularly dangerous if there is a shortage in personnel D、D.In case of bad weather, it is particularly dangerous if there are enough personnel
A、there is burning oil on the water B、there is a rescue craft in the area C、water temperature is below 40°F D、a rigid survival craft is in the area