One of the lifeboat's crew manag

One of the lifeboat's crew managed to pick up a trailing rope and with great difficulty and some damage the ship's boat was drawn from a position under the flare of the lifeboat's bow until off her starboard quarter. This means that ________ ．

A.the lifeboat was taken to the starboard quarter of the ship's boat
B.the lifeboat is the same boat as the ship's boat
C.it was very difficult to savage the boat in distress，but it was done
D.The ship's boat was assisting the life boat to survive

参考答案

: (航海日志)1105 拖船Satex系右首，按船长和引航员命令用车和拖船。

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: (航海日志)0400 晴，海面中浪，巡视全船正常。推算船位50-00’.2N，001-40’.0W，计程仪读数67’.2。

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: 我们试图放下救生艇，但没有成功。

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: 如果明天下雨，我们将停止卸货。

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: 船舶不得在分道通航制区域内抛锚。

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: This paragraph is ______ ．

A.a clause of a contract
B.an explanation of advantage of eyes over radar
C.a requirement from a government
D.an article of Colreg

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: DISCRIMINATION means the ______ ．

A.provision
B.dimension
C.distinction
D.permission

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: The eye is more ______ than radar．

A.distinguishable
B.reasonable
C.controllable
D.reliable

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: The block is not used to ______ ．

A.show omissions
B.provide new information
C.make corrections to the Notice
D.change the shape of the charts

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: 材料：
What advantages does the eye have over the radar ？
The eye has the following advantages:
Reliable
Sensitive to color
Can assess heading
Can identify small targets
Can see light configurations
Can assess ship types
Can identify conspicuous marks
Can identify flashing lightsHas better discrimination
Can see changing weather patterns
Can see effect of sea on vessel
Not affected by blind arcs (if observer moves)．
问题：BLIND ARCS mean ______ ．

A.the arcs from which one can not see certain objects
B.the arcs which are blind
C.the black arcs
D.the arcs from which one can see certain objects

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