A.syphon barometer
B.cistern barometer
C.aneroid barometer
D.fortin barometer
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A.cumulus
B.nimbus
C.stratus
D.cirrus
A.foehn
B.chinook
C.land breeze
D.sea breeze
A.isotherm
B.isallobar
C.isobar
D.isotope
A.lashings on the floor of the raft for the passenger's feet
B.straps from the overhead
C.lifelines on the inside of the raft
D.ridges in the floor of the raft
A.thunderstorms，hail，and then rapid clearing
B.increasing cloud cover lasting for several days
C.lengthy wet weather
D.low ceilings with thick cirrus clouds
最新試題
The Beaufort scale is used to estimate the（）.
The area of strong westerly winds occurring between 40°S and 60°S latitude is called the（）.
The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.
Which of the following statements concerning frontal movements is TRUE（）.
If the sky was clear，with the exception of a few cumulus clouds，it would indicate（）.
HIGH WAVES；DENSE STREAKS OF FOAM ALONG THE DIRECTION OF THE WIND；CRESTS OF WAVES BEGIN TO TOPPLE，TUMBLE AND ROLL OVER；SPRAY MAY AFFECT VISIBILITY.This condition is likely to be termed（）.
While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.
After a cold front passes，the barometric pressure（）.
West backing south-west gale 8 locally storm 10（）then rain or sleet mainly good.
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.