[单选] You are on an ice-reinforced vessel about to enter packice. You should（）.

A . enter the pack on the windward side where there is a well defined ice edge
B . trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcement
C . take maximum advantage of coastal leads caused by offshore winds
D . look for areas of rotten ice and enter perpendicular to the ice edge

海船规范规定逆功率保护延时动作的时间为（）。 3s以下。 3s～10s。 15s。 30。 A flashing green light displayed at a single lock means that the lock is（）. ready for entrance。 ready for entrance，but gates cannot be closed completely。 being made ready for entrance。 not ready for entrance。海船规范对船舶发电机的环境温度规定为（） 20℃。 40℃。 45℃。 50℃。船舶水灭火系统应每半年进行一次全面检查。 Which will most likely occur when entering shallow water? （） Rudder action will become more effective。 The vessel's list will change。 The vessel's trim will change。 An increase in speed will occur。 You are on an ice-reinforced vessel about to enter packice. You should（）.

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[单选] You are on an ice-reinforced vessel about to enter packice. You should（）.

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