相关题目
39. *Attention is () the advice on the use of charts in The Mariner＇s Handbook Chapter 3, Section 1.
38. *When there are new supplements to Ocean Passages for the World, the previous ones are().
37. () provides a selection of commonly used routes with their distances between principal ports and important positions.
36. Data relating to the direction and velocity of rotary tidal currents can be found in the ().
35. Where would you find information about the time of high tide at a specific location on a particular day of the year?
34. You may find the time of slack water after low water in a certain port from().
33. The Tide Table gives the prediction of the () of high and low water in standard ports.
32. From () the mariner can understand the data of tide.
31. Latest additions and amendments to Admiralty Tide Tables are published in ().
30. When the transmissions of a radio station have broken down, switched off or suspended, it is ().
