单项选择题
In 1979 an extensive（）program was in progress throughout Suez Canal.
A.a dredge and widen
B.dredged and widened
C.dredging and widening
D.being dredging and widening
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相关考题
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单项选择题
In a crossing situation on international waters, a short blast by the give-way vessel indicates that the vessel（）.
A.is holding course and speed
B.is turning to starboard
C.intends to pass port to port
D.will keep out of the way of the stand-on vessel -
单项选择题
In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels except a vessel（）.
A.not under command
B.restricted in her ability to maneuver
C.engaged in towing
D.fishing -
单项选择题
In a crossing situation,the vessel which has the other on her own starboard side shall（）.
A.if the circumstances of the case admit, avoid crossing ahead of the other
B.change course to port to keep out of the way
C.overtaking another
D.All of the above
