单选题 The VRM distance display shows the exact ______ to the target.

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

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 The weekly Notice to Mariners contains information needed for ______.

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

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

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

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