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 station （） close west of the end of the breakwater．
The first indications a mariner will have of the approach of a warm front will be （）.
If the officer on watch is in any doubt as to the pilot’s actions，or intentions，he should （）.
The transfer procedures for oil products are required to be posted （）.
When a pilot is on board to pilot the vessel the Letter （） must be hoisted．
The single letter G，sent by an icebreaker to an assisted vessel，means （）.
There shall be two principal （） through the harbor for the passage of vessels of over 60 tons burden．
Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）
Please wireless to let me know （） I am to anchor or to meet pilot．
When the Pilot is embarked he or she （）.