As you approach Giles Bend Cutoff Light (mile 367.7 LDB)，what type of daymark would you see on the light structure?（） Green diamond。 Green triangle。 Red diamond。 Red square。
Which one of the following is not true according to the passage?（） It’s important to make clear the chain of command within the vessel。 It is primarily your own responsibility to look after your person safety。 The porthole is the first choice to escape when in emergency。 all cabins are fitted with a Survival at Sea Manual。
旅客信息系统是一个能够给旅客提供语音、文字信息或音频、视频服务的系统。
在下列地点中，昼夜长短变化幅度最大的是（） 广州。 上海。 北京。 哈尔滨。
Which one of the following information can not be found in engine room induction according to the passage?（） special precautions to deal with heat。 engine room safety procedures such as earmuffs, safety glasses, work clothes。 emergency escapes。 the location of safety equipment around the shi。
As the temperature of the air reaches the dew point，（）.
