单项选择题
The speed of an ocean current is dependent on（）.
A.the density of the water
B.the air temperature
C.the presence of a high pressure area near it
D.underwater soil conditions
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相关考题
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单项选择题
The set of the ocean current is caused by（）.
A.density differences of the water
B.rotation of the earth
C.direction of primary circulation of air
D.all of the above -
单项选择题
The set of the equatorial countercurrent is generally to the（）.
A.north
B.east
C.southwest
D.northwest -
单项选择题
The set of the current is the（）.
A.speed of the current at a particular time
B.maximum speed of the current
C.direction from which the current flows
D.direction in which the current flows
