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单选题
Waves formed by the wind blowing far away are known as（）.
A
sea
B
current
C
tide
D
swell
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in the seaC
becauseD
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First-time mothers.B
Those from an ethnic minority.C
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direction the wind is blowing fromC
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单选题An instrument that indicates wind direction is known as a(n)（）.A
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shift in a clockwise mannerB
shift in a counterclockwise mannerC
continue blowing from the same directionD
decrease in velocity
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单选题If，for any reason，it is necessary to abandon ship while far out at sea，it is important that the crew members should（）.A
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单选题The joint face between the cylinder cover and the liner is arranged （）the combustion process as possible.A
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such near byC
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cylinder valvesB
compression ringsC
piston skirtsD
oil rings
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单选题Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.A
barometerB
wind vaneC
anemometerD
thermometer
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单选题（）we stand away from the church bell, it takes time for the sound waves to reach us.A
IfB
WheneverC
BecauseD
Where
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单选题The canopy of an inflatable liferaft should（）.A
go into place as the raft is inflatedB
be put up after everyone is aboardC
be put up only in severe weatherD
be used as a sail if the wind is blowing
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单选题In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because（）.A
the wind speed is greater here since the wind is traveling in the same general direction as the storm's trackB
the direction of the wind and seas might carry a vessel into the path of the stormC
the seas are higher because of greater wind speedD
All of the above
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