A.is it
B.isn't it
C.is he
D.isn't he
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A.pilot
B.speaker
C.standby wheel
D.automatic pilot
A.large cumulonimbus (thunderclouds) building up
B.high cirrus clouds gradually changing to cirrostratus and then to altostratus
C.fog caused by the warm air passing over the cooler water
D.low dark clouds accompanied by intermittent rain
A.very quick flashing
B.flashing
C.fixed
D.occulting
A.pressure changes in the air mass
B.movement of the air mass
C.the heterogeneous nature of the air mass
D.upper level atmospheric changes
A.which
B.where
C.what
D.who
最新試題
The pilot said he （）our vessel directly to the berth．
The radiotelephone required by the Vessel Bridge-to-Bridge Radiotelephone Act is for the exclusive use of （）.
The characteristic of a lighted cardinal mark may be （）.
There shall be two principal （） through the harbor for the passage of vessels of over 60 tons burden．
The pilot is on board,（） ?
Which publication should you check for complete information on Puget Sound weather conditions? （）
THE SPEED OF A VESSEL ADJUSTED TO THAT OF A PILOT BOAT AT WHICH THE PILOT CAN SAFELY EMBARK is （）.
The iron mike is a(n) （）.
The pilot motor launches are （） blue，with the PILOT in white．
Is the pilot boat （） station