【单选题】Every vessel shall ()maintain a proper look-out by sight and hearing as well as by all available means appropriate in prevailing circumstances and conditions so as to make a full appraisal of the situ...
【判断题】exercise Five Listen twice and decide whether the following statements are true (T)or false (F). 1. Britain suffered from a severe drought in 1976. ( )
【单选题】#Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid ______.