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【单选题】
船舶进浮船坞时，对船舶的纵横倾要求是________。
A.
．横倾不大于1度,纵倾不超过1/100L
B.
．无横倾,纵倾不超过1/100L
C.
无横倾和纵倾
D.
横倾不大于1度,无纵倾
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【单选题】To swim across the English Channel takes at least nine hours. It’s a hard work and it makes you short of breath. To fly over the Channel takes only twenty minutes, but it’s an expensive way to travel....
A.
not more expensive to be built than a bridge
B.
not more expensive to be built than a rail
C.
. cheaper to be built than a rail
D.
not cheaper to be built than a bridge
【单选题】当船舶有纵倾和横倾时，平均吃水为（）。
A.
首中尾的平均吃水加漂心修正
B.
首尾的平均吃水加漂心修正
C.
左右舷的六面平均吃水加漂心修正
D.
左舷首中尾的平均吃水加漂心修正