问题
单项选择题
The line-throwing appliance provided on board ship is（）.
A.for the saving of life
B.for fire-fighting
C.for mooring purpose
D.for towing purpose
答案
参考答案：A
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The line-throwing appliance provided on board ship is（）.
A.for the saving of life
B.for fire-fighting
C.for mooring purpose
D.for towing purpose
参考答案：A