单项选择题
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
In heavy seas the helmsman should steer the survival cr...
单项选择题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
In general，the extent of the carrier’s immunity，as laid...
单项选择题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
In determining the scope of anchor line to pay out when...
单项选择题In determining the scope of anchor line to pay out when anchoring a small boat，one must consider the（）.
A.charted depth of water only B.depth of water，including tidal differences C.time and date of anchoring D.type of anchor being used
