position and area of the current
speed and direction toward which the current flows
type and characteristic of the current's flow
None of the above
第1题：
A tsunami is caused by a(n) ______.
A.tidal wave
B.storm surge caused by a hurricane or tropical storm
C.earthquake on the ocean's floor
D.tornado
第2题：
______ offers a detailed description of tidal theory and its application to the analysis and prediction of tides and tidal streams．
A.Ocean Passages for the World（NP136）
B.Admiralty Tidal Stream Atlases
C.Admiralty Manual of Tides（NP120）
D.Admiralty Tidal Handbooks（NP122 1-3）
第3题：
Data relating to the direction and velocity of rotary tidal currents can be found in the ______.
A.Mariner's Guide
B.Tidal Current Tables
C.Nautical Almanac
D.Tide Tables
第4题：
第5题：
The surface currents of the South Atlantic，South Pacific and South Indian Ocean follow，in general，a regular pattern of ______．
A.counter-clockwise circulation
B.clockwise circulation
C.trend from east to west
D.trend from north to south
第6题：
If you are sailing from the East Coast of the United States to the Caribbean Sea，which publication would contain information on weather，currents，and storms?
A.Sailing Charts of the Caribbean Sea
B.Pilot Charts of the North Atlantic
C.Light Lists，Atlantic and Gulf Coast
D.Tidal Current Tables
第7题：
______ outlines the Admiralty method of Harmonic tidal analysis for long and short observation periods plus a volume on datums for hydrographic surveys．
A.Ocean Passages for the World（NP136）
B.Admiralty Tidal Stream Atlases
C.Admiralty Manual of Tides（NP120）
D.Admiralty Tidal Handbooks（NP122 1-3）
第8题：
Charted depth is the ______.
A.vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B.vertical distance from the tidal datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
第9题：
第10题：
Which area is the most commodities shipped in water transport?（）