A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)（）.
When a teacher says to the whole class，"Stand up and act out the dialogue"，he/she is playing the role of a(n)___.
As soon as the ship is berthed，you should lower the gangway，stretch a net（）it，and adjust it to the rise and fall of the tides so that personnel may embark or disembark in safety．
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
The most inefficient method of voltage reduction from the stand point of power loss, is a/an （）
A swift current occurring in a narrow passage connecting two large bodies of water，which is produced by the continuously changing difference in height of tide at the two ends of the passage，is called a（）.
In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）.
Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.
The purpose of engine stand-by is that （）
The datum from which the predicted heights of tides are reckoned in the tide tables is（）.
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.
You are in charge of a stand-on vessel in a crossing situation.The other vessel is 1.5 miles to port.You believe that risk of collision exists.You should（）.
The tide is（）.
The interval of the average elapsed time from the meridian transit of the moon until the next high tide is called the（）.
When a teacher says to the whole class，" stand up and act out the dialogue，he/she is playing the role of a(n)______.
The difference between the heights of low and high tide is the（）.
The average height of the surface of the sea for all stages of the tide over a 19 year period is called（）.
When daylight savings time is kept，the time of tide and current calculations must be adjusted.One way of doing this is to（）.
262. The meaning of ebb tide is that ______.
129. The average height of the surface of the sea for all stages of the tide over a 19 year period is called _____.
96. The datum from which the predicted heights of tides are reckoned in the tide tables is _____.
11. To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is _____.
[5-34]You are in charge of a stand-on vessel in a crossing situation. The other vessel is l.5 miles to port. You believe that risk of co
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