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单选题
Floating, caused by winds and current with a determinable direction defines（）.
A
floating
B
sailing
C
drifting
D
running into danger
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单选题FLOATING，CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines（）.A
FloatingB
SailingC
DriftingD
Running into danger
考题
单选题Generally speaking，in the Northern Hemisphere，when winds are blowing from between SE and SW the barometric reading（）.A
makes no change at allB
is somewhat lower than it would be for winds from a northern quadrantC
is uncertain and may fluctuate by increasing and decreasingD
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Gulf StreamC
Earth's rotationD
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单选题The belt of light and variable winds between the westerly wind belt and the northeast trade winds is called the（）.A
subtropical high pressure beltB
intertropical convergence zoneC
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单选题Monsoons are characterized by （）.A
light，variable winds with little or no humidityB
strong，gusty winds that blow from the same general direction all yearC
steady winds that reverse direction semiannuallyD
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单选题The mode of control employed by an alarm circuit is a （）A
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onD
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单选题Floating, not controlled, without a clearly determinable direction means（）.A
groundingB
sailingC
adriftD
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单选题What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.A
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Flat calm seas，heavy rain，light winds，and an extremely low barometerC
Flat calm seas，heavy rain，light winds，and high pressureD
Huge waves approaching from all directions，clearing skies，light winds，and high pressure
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单选题For a floating vessel,the center of the floating is the point in the waterpiane.（）.A
aboat which the vessel lists and trimsB
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a greatly reduced wind speedB
a higher wind speed than what really existsC
a lower wind speed than what really existsD
more turbulent winds
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单选题The worst atmospheric condition for dispersion of H2S is（）.A
heavy rainB
gusty winds with rainC
nearly calm，clear nights or early morningD
full sun with high winds
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