A.in all parts of the world
B.in some parts of the world
C.from all corners of the world
D.from every corner of the world
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A.reaching
B.extending
C.increasing
D.upgrading
A.cirrus
B.cirrocumulus
C.altostratus
D.cumulonimbus
A.low barometric pressure
B.high barometric pressure
C.falling barometric pressure
D.pumping barometric pressure
A.high pressures
B.low pressures
C.weak pressures
D.strong pressures
A.check it with a barometer on another vessel
B.take readings from several barometers and average them
C.check it with the barometer at the ship chandlery
D.check it against radio or National Weather Service reports of the immediate vicinity
最新試題
Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
When a tornado moves over the water from land it is called a（）.
When a hurricane passes into high latitudes over colder water and the source of heat is disrupted，the storm assumes the characteristics of（）.
What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.
In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.
Two well-developed high pressure areas may be separated by a（）.
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.