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
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（）.
Of the following，（）is not a wind.
What will a veering wind do（）.
While on watch，you notice that the air temperature is dropping and is approaching the dew point.Which type of weather should be forecasted（）.
What benefit is a weather bulletin to a mariner（）.
Which of the following is not a frontal term（）.
The area of strong westerly winds occurring between 40°S and 60°S latitude is called the（）.
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.
OWING TROPICAL STORM9706 CROSSING OUR/COURSE PLSPERMIT SHELTERING KAGOSHIMA KAIWAN. This cable indicates that（）.
In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.