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

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

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

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