单选题 The international number,location and/or name,geographical coordinates,characteristics and intensity, elevation in meters,range in sea miles and description of structure of a light can be found in ______

单选题 The Tide Table gives the prediction of the ______ of high and low water in standard ports.

单选题 If not otherwise stated,the time used in Admiralty Sailing Direction is the ______

单选题 Which of the following is not marked on the charts?

单选题 The weekly Notice to Mariners contains information needed for. ______

单选题 Information about the change of local lighthouse can be found in part ______ of NM.

单选题 We can look up the natural condition in ______

单选题 Attention is ______ the advice on the use of charts.

单选题 Which of the following information are not in Chapter One of the Sailing Directions?