A.convey
B.convoy
C.escort
D.conform
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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
A.straight
B.direct
C.forward
D.on
A.to allow port Authorities to board
B.allowing port Authorities to board
C.to allow port Authorities boarding
D.allowing port Authorities to be boarded
A.high
B.highly
C.heigh
D.height
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The step of a pilot ladder which prevents the ladder from twisting is the （）.
Is the pilot ladder all right at this （）
Place names used should be those （）.
Temperature and moisture characteristics are modified in a warm or cold air mass due to （）.
It’s all right to rig the pilot ladder on lee side （）.
The characteristic of a lighted cardinal mark may be （）.
Pilot ladder is （） on port side．
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（）.
The pilot station （） close west of the end of the breakwater．
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）