A.yawing B.moving C.turning D.pitching
A.the supercargo's B.the shipper's C.the merchant's D.the consignee's
A.FRONTAL FOG B.MIXING FOG C.ADVECTION FOG D.RADIATION FOG
A.backup B.blocking C.choking D.obstructing
A.Under any condition B.If the grounding lasts over 24 hours C.If it creates a hazard to the environment D.At the owner's discretion
A.at B.with C.on D.within
A.maximum B.negative C.positive D.zero
A.Its accuracy remains the same at all latitudes B.It seeks the true meridian C.It can be used near the Earth's magnetic poles D.If an error exists，it is the same on all headings
A.seiche B.bore C.boundary wave D.surge
A.is calling at B.are calling at C.is calling on D.are calling on
