A.which
B.where
C.what
D.who
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A.specified by international authorities
B.specified by national authorities
C.on standard map
D.on the chart or Sailing Directions in use
A.equipped
B.rigged
C.put on
D.put off
A.convey
B.convoy
C.escort
D.conform
A.the vessel
B.shall not vessel
C.the vessel should
D.should vessel
A.light，variable winds with little or no humidity
B.strong，gusty winds that blow from the same general direction all year
C.steady winds that reverse direction semiannually
D.strong，cyclonic winds that change direction to conform to the passage of an extreme low pressure system
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When a tug is pulling on a hawser at right angles to the ship，and the pilot wants to come ahead or astern on the ship’s engine，care must be taken that the pilot（）.
Passage through the Suez Canal is operated on a （） system．
The pilot motor launches are （） blue，with the PILOT in white．
Is the pilot ladder all right at this （）
Temperature and moisture characteristics are modified in a warm or cold air mass due to （）.
The pilot said he （）our vessel directly to the berth．
The pilot station （） close west of the end of the breakwater．
From （）the mariner can understand the data of tide．
The single letter G，sent by an icebreaker to an assisted vessel，means （）.
Is the pilot boat （） station