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

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单项选择题

A.not under command
B.restricted in her ability to manoeuvre
C.restrained by her draught
D.underway

单项选择题

A.applying direct pressure to the wound
B.submerging the wound in lukewarm water
C.cooling the wound with ice
D.applying a tourniquet

单项选择题

A.a positive righting moment
B.an increase in KM
C.a negative restoring force
D.a positive restoring force