______causing strong winds and rough sea north west Bay of Biscay.
A.Strong low pressure
B.Strong high pressure
C.Steep pressure gradient
D.Steep gradient pressure
第1题:
One of the principal dangers inherent in liquefied petroleum gas is ______.
A.As it warms up it becomes heavier than air
B.The way it reacts with sea water
C.The strong odor it produces
D.Its low temperature causes frostbite or freezing
第2题:
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? ______.
A.South-southwesterly
B.North-northwesterly
C.South-southeasterly
D.North-northeasterly
第3题:
If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?______.
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast
第4题:
第5题:
第6题:
New Zealand is situated about 1, 500 km ()
第7题:
as it warms up it becomes heavier than air
the way it reacts with sea water
the strong odor it produces
its low temperature causes frostbite or freezing
第8题:
windy showers
showers with winds
wintry showers
showery winds
第9题:
Strong low pressure
Strong high pressure
Steep pressure gradient
Steep gradient pressure
第10题:
cleaning fuel oil, lubricating oil and seawater filter
reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propeller
using low sea chest
closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments
第11题:
Huge waves approaching from all directions,clearing skies,light winds,and an extremely low barometer
Flat calm seas,heavy rain,light winds,and an extremely low barometer
Flat calm seas,heavy rain,light winds,and high pressure
Huge waves approaching from all directions,clearing skies,light winds,and high pressure
第12题:
The; a
A; the
The; the
A; a
第13题:
Generally speaking, with ______ the weather becomes cloudy or overcast with strong winds.
A.high pressures
B.low pressures
C.weak pressures
D.strong pressures
第14题:
If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect?
A.South to west
B.South to east
C.West to north
D.North to east
第15题:
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.
A.south to east
B.north to west
C.north to east
D.south to west
第16题:
第17题:
高速和野蛮操作舱盖均是危险的。()
第18题:
be more suitable for river and harbor navigation
provide better range performance on low lying targets during good weather and calm seas
have a wider horizontal beam width
have more sea return during rough sea conditions
第19题:
as it warms up it becomes heavier than air
the way it reacts with sea water
the strong odor it produces
its low temperature causes frostbite or freezing
第20题:
light,variable winds with little or no humidity
strong,gusty winds that blow from the same general direction all year
steady winds that reverse direction semiannually
strong,cyclonic winds that change direction to conform to the passage of an extreme low pressure system
第21题:
Central North Atlantic Ocean
Caribbean Sea
Western North Pacific Ocean
area off the west coast of South America
第22题:
to the farther north
far to the northern
farther north
far northern
第23题:
navigating with a low diesel engine speed
navigating with a stable diesel engine speed
increasing the efficiency of propeller
increasing fuel injection