A、A regulated anchorage
B、Fish trap areas
C、An area closed to the public
D、Underwater cables
更多“The short-long dashed magenta line around Gardiners Island marks（）.”相关的问题
A、A.fish trap areas B、B.naval exercise areas C、C.underwater cables D、D.recommended track lines
A、Amphibious training areas B、Grounds for dredge spoil C、Fish trap areas D、Gunnery exercise areas
A、6 short blasts and 1 long blast B、long blast mare than 6 short blasts C、more than 6 short blasts and 1 long blast D、1 long blast of at least 10 seconds
A、more than 6 short blasts and 1 long blast on the whistle，and the same signal on the general alarm B、continuous sounding of the ship's whistle and the general alarm for at least 10 seconds C、1 short blast on the whistle D、alternating short and long blasts on the ship's whistle
A、3 short blasts of the ship's whistle B、1 short blast of the ship's whistle C、3 long blasts of the ship's whistle D、1 long blast of the ship's whistle
A、A.SOS sent three times B、B.ten one-second dashes with a four-second interval between them C、C.twelve four-second dashes with a one-second interval between them D、D.twelve one-second dashes with a short interval between them
A、A.More than six short blasts and one long blast on the whistle B、B.Continuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm C、C.Three short blasts of the whistle supplemented by the same signal on the general alarm D、D.More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
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