單項(xiàng)選擇題

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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單項(xiàng)選擇題

It is not advisable to use nylon for alongside towing because it（）.

A.is too expensive for everyday towing usage
B.binds on the cleats
C.parts too readily
D.strethes too much

單項(xiàng)選擇題

It is possible,and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by（）.

A.placing bunker on the deck
B.building a stage on which to place the cargo
C.welding steel feet to the deck, on which the cargo is placed
D.erecting vertical pillars under the deck to support the cargo