單項(xiàng)選擇題

Ocean currents are well defined and（）.

A.create large waves in the direction of the current
B.change direction 360°during a 24 hour period
C.remain fairly constant in direction and velocity throughout the year
D.are characterized by a light green color

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單項(xiàng)選擇題

Low pressure disturbances，which travel along the intertropical convergence zone，are called（）.

A.permanent waves
B.tidal waves
C.tropical waves
D.tropical storms

單項(xiàng)選擇題

In the Northern Hemisphere，your vessel is believed to be in the direct path of a hurricane，and plenty of sea room is available. The best course of action is to bring the wind on the（）.

A.starboard bow，note the course，and head in that direction
B.starboard quarter，note the course，and head in that direction
C.port quarter，note the course，and head in that direction
D.port bow，note the course，and head in that direction

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Ocean currents are well defined and（）.

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Low pressure disturbances，which travel along the intertropical convergence zone，are called（）.

In the Northern Hemisphere，your vessel is believed to be in the direct path of a hurricane，and plenty of sea room is available. The best course of action is to bring the wind on the（）.

Low pressure disturbances，which travel along the intertropical convergence zone，are called（）.

In the Northern Hemisphere，your vessel is believed to be in the direct path of a hurricane，and plenty of sea room is available. The best course of action is to bring the wind on the（）.