A.reaching
B.extending
C.increasing
D.upgrading
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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
A.a certain area
B.all ocean areas
C.some areas
D.important areas
最新試題
The direction of prevailing winds in the Northern hemisphere is caused by the（）.
In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because（）.
The strong wind will make us（）here for some days.
When a tornado moves over the water from land it is called a（）.
Which of the following is not a wind（）.
MIST is caused by（）.
Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
What is the first visible indication of the presence of a tropical cyclone or hurricane（）.
Wen a hurricane passes over colder water or land and loses its tropical characteristics，the storm becomes a（n）（）.
Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.