單項(xiàng)選擇題Which statement is TRUE concerning equatorial tides().

A.They occur when the Sun is at minimum declination north or south
B.They occur when the Moon is at maximum declination north or south
C.The difference in height between consecutive high or low tides is at a minimum
D.They are used as the basis for the vulgar establishment of the port


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1.單項(xiàng)選擇題Which statement is TRUE concerning apogean tides().

A.They occur only at quadrature
B.They occur when the Moon is nearest the Earth
C.They cause diurnal tides to become mixed
D.They have a decreased range from normal

2.單項(xiàng)選擇題Which current would you encounter on a direct passage from southern Africa to Argentina,South America().

A.South Atlantic
B.South Equatorial
C.Agulhas
D.Guinea

3.單項(xiàng)選擇題Which current would you encounter on a direct passage from London,England,to Capetown,South Africa().

A.Falkland Current
B.Brazil Current
C.Norway Current
D.Benguela Current

4.單項(xiàng)選擇題Which current is responsible for the movement of icebergs into the North Atlantic shipping lanes().

A.Iceland Current
B.Baltic Current
C.Labrador Current
D.Baffin Current