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 single letter G，sent by an icebreaker to an assisted vessel，means （）.
Place names used should be those （）.
THE SPEED OF A VESSEL ADJUSTED TO THAT OF A PILOT BOAT AT WHICH THE PILOT CAN SAFELY EMBARK is （）.
When the movement of engine is no longer required the pilot usually gives the order like this（） .
From （）the mariner can understand the data of tide．
Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）
The radiotelephone required by the Vessel Bridge-to-Bridge Radiotelephone Act is for the exclusive use of （）.
The iron mike is a(n) （）.
The pilot motor launches are （） blue，with the PILOT in white．
Gangway （）with pilot ladder on my starboard side．