单项选择题
It is NOT advisable to use nylon for alongside towing because it（）.
A.stretches too much
B.is too difficult to make fast
C.parts too readily
D.is too susceptible to mildew
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相关考题
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单项选择题
It is good practice to use long towlines for ocean tows because the（）.
A.wear on the towline is equalized
B.weight of the towline increases the towing force
C.dip in the towline absorbs shock loads
D.danger of overriding is reduced -
单项选择题
In the International Code of Signals，the code signal meaning I require immediate assistance is（）.
A.AE
B.CB
C.DX
D.CP -
单项选择题
In order to pay out or slack a mooring line which is under strain，you should（）.
A.sluice the line
B.surge the line
C.stopper the line
D.slip the line
