單項選擇題

In order to detect rot in manila lines，you should（）.

A.feel the surface of the line for broken fibers
B.measure the reduction in circumference of the line
C.observe any mildew on the outer surface
D.open the strands and examine the inner fibers

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單項選擇題

In heavy seas the helmsman should steer the survival craft（）.

A.into the seas
B.broadside to the seas
C.in the same direction as the seas
D.in a series of figure-eights

單項選擇題

In general，the extent of the carrier’s immunity，as laid down by the Act，cannot be increased（）contract.

A.in
B.with
C.by
D.on

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In order to detect rot in manila lines，you should（）.

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In heavy seas the helmsman should steer the survival craft（）.

In general，the extent of the carrier’s immunity，as laid down by the Act，cannot be increased（）contract.

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In general，the extent of the carrier’s immunity，as laid down by the Act，cannot be increased（）contract.